Relative Motion Means Between A Structure And Its Foundation Patents (Class 52/167.4)
  • Patent number: 11136777
    Abstract: Although Fiber Reinforced Polymers (FRPs), as alternatives for the corrosive steel reinforcement in concrete structures, have shown promising performance under gravity loads, their performance under reversal cyclic loading is still one of the main concerns. The linear behavior of FRP reinforcement has a two-sided effect on the seismic performance of FRP-reinforced concrete (RC) moment-resisting frames. Although the linear nature of FRP reinforcement could be advantageous in terms of limiting the residual damage after an earthquake event, it lowers the energy dissipation of the structure which can compromise its seismic performance. Disclosed herein is the addition of steel plates at selected locations in moment-resisting frames to improve seismic performance of FRP-RC structures while still being able to take advantage of its linear behaviour (minimal residual damage after earthquake). The effectiveness of the proposed solution was tested both experimentally and analytically.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: October 5, 2021
    Assignee: University of Manitoba
    Inventors: Ehab El-Salakawy, Shervin Khalili Ghomi
  • Patent number: 11105111
    Abstract: Disclosed is a buttress assembly located outside side walls comprising non-bearing walls located in a long side direction of an existing building and comprising concrete, the buttress assembly including a plurality of reinforcing steel structures extending in a short side direction of the existing building, connected to the existing building by anchors, and arranged in a vertical direction of the side walls.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: August 31, 2021
    Assignee: Industry-Academic Cooperation Foundation, Dankook University
    Inventors: Sang Hyun Lee, Taesung Eom, Moo-Won Hur, Ji Eun Roh
  • Patent number: 11091926
    Abstract: A building earthquake resistance structure includes an integrally connected roof support frame, used for supporting a roof of a building independently from walls of the building; a plurality of support columns, fixedly connected to the roof support frame; an annular trench, arranged in the ground around the building; an annular damping frame, arranged within the annular trench, lower ends of the support columns being fixedly connected to the annular damping frame; a plurality of dampers, arranged between a bottom portion of the annular trench and the annular damping frame. An earthquake resistance method for the building earthquake resistance structure prevents damage caused by the roof collapsing during an earthquake by supporting the roof of the existing building in the ground via the support columns. The building earthquake resistance structure is easy to construct and suitable for transforming traditional old buildings.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: August 17, 2021
    Assignee: BEIJING NORMAL UNIVERSITY
    Inventors: Jifu Liu, Yiru Jia, Jiaoyang Li, Lanlan Guo, Junming Li, Yanli Lyu, Guoming Zhang, Lianyou Liu
  • Patent number: 10619373
    Abstract: A system for damping seismic motions transmitted from a foundation to an architectural structure is disclosed. During a seismic event, the seismic damping system may permit bi-directional horizontal movement of the foundation relative to the architectural structure, while simultaneously providing the architectural structure with uplift restraint. The seismic damping system may include upper and lower rail members connected to each other via a bearing assembly. Respective concave surfaces may be formed in the upper and lower rail members to define first and second rolling or sliding paths for the bearing assembly. To limit vertical movement of the architectural structure during seismic motions, the bearing assembly may incorporate uplift restraint members for engaging the upper and lower rail members. Methods of assembling and operating such seismic damping systems are also disclosed.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: April 14, 2020
    Assignee: STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY
    Inventors: Larry Stevig, Brandon Ross Richard
  • Patent number: 10273679
    Abstract: An improved connection between supported and supporting structural members, particularly for use in structures where the supported member needs to move with respect to the supporting member. The connector has an anchoring leg that allows for the back of the anchoring leg on either side of the sliding leg.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: April 30, 2019
    Assignee: Simpson Strong-Tie Company Inc.
    Inventors: Larry Randall Daudet, Hien Nguyen, Timothy M. Stauffer, Jin-Jie Lin
  • Patent number: 10125511
    Abstract: An anti-seismic device (1) for load-bearing structures or machines for example automated warehouses, comprises at least one supporting foot (3) suitable for being fixed to a load-bearing structure of the automated warehouse. The supporting foot (3) is configured for resting and sliding on a support and sliding surface (5), so as to allow relative movement of the automated warehouse with respect to the support and sliding surface (5). At least one abutment element (10) is suitable for being solidly constrained with the support and sliding surface (5). At least a spring device (12) is suitable for being interposed between the abutment element (10) and the automated warehouse. The spring device (12) is configured to generate a return action (force and/or torque) of the automated warehouse as a result of the relative movement of the automated warehouse with respect to the support and sliding surface (5). The spring device (12) has a non-linear, preferably progressive elastic characteristic.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: November 13, 2018
    Assignee: MODULA S.P.A. CON SOCIO UNICO
    Inventors: Franco Stefani, Stefano Cassani
  • Patent number: 10087617
    Abstract: An improved connection between supported and supporting structural members, particularly for use in structures where the supported member needs to move with respect to the supporting member. The connector includes a mounting clip and one or more sliders receiving in one or more openings in the mounting clip.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: October 2, 2018
    Assignee: Simpson Strong-Tie Company Inc.
    Inventors: Larry Randall Daudet, Hien Nguyen
  • Patent number: 10041244
    Abstract: In a load-bearing concrete vertical building part, particularly a support, with an upper support area for a load-transferring connection to a concrete horizontal building part thereabove, in which the vertical building part includes reinforcements with reinforcement rods extending essentially vertically beyond the upper support area, an upper section of the vertical building part abutting the upper support area is embodied as a thermal insulation element for the thermal decoupling of the vertical building part from the horizontal building.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: August 7, 2018
    Assignee: Schock Bauteile GmbH
    Inventor: Jochen Hochstuhl
  • Patent number: 10024074
    Abstract: A system for damping seismic motions transmitted from a foundation to an architectural structure is disclosed. During a seismic event, the seismic damping system may permit bi-directional horizontal movement of the foundation relative to the architectural structure, while simultaneously providing the architectural structure with uplift restraint. The seismic damping system may include upper and lower rail members connected to each other via a bearing assembly. Respective concave surfaces may be formed in the upper and lower rail members to define first and second rolling or sliding paths for the bearing assembly. To limit vertical movement of the architectural structure during seismic motions, the bearing assembly may incorporate uplift restraint members for engaging the upper and lower rail members. Methods of assembling and operating such seismic damping systems are also disclosed.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: July 17, 2018
    Assignee: STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY
    Inventors: Larry Stevig, Brandon Ross Richard
  • Patent number: 10017982
    Abstract: An earthquake resisting door has locking mechanisms between the door panel top, sides, and the bottom foundation. Included are self-contained limited uplift resisting end posts, one or more door panels made of wood, steel, or other suitable material that can act as a shear wall or brace frame, and segmented door panels that can be designed for roll-up or folding. The segments interlock to create one solid wall or arrangement of segments that creates brace frame action. An inter-locking mechanism engages adjacent door leaves in a casement arrangement and creates one panel.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: July 10, 2018
    Inventor: Massoud Abolhoda
  • Patent number: 9879417
    Abstract: A stiffness-controllable earthquake-isolation support using negative gravity stiffness, which comprises an upper plate connected to an upper structure, a lower plate connected to a base structure at the bottom, K supporting columns arranged longitudinally between the upper and lower plates, with the supporting columns respectively connected with the upper and lower plates through a ball hinge, and L elastic connecting plates arranged laterally between the supporting columns, wherein K?3, L?N×K and N?1. The earthquake-isolation support, the supporting column and the ball hinges at both ends of the supporting column form, under the action of gravity of the upper structure, the negative gravity stiffness that causes the upper structure to deviate from the equilibrium position, and the frame structure restores the upper structure to the equilibrium position, with the stiffness of the earthquake-isolation support adjustable.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: January 30, 2018
    Assignee: ARCHITECTURAL DESIGN & RESEARCH INSITUTE OF SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventor: Xuanwu Shu
  • Patent number: 9869070
    Abstract: A soil reinforcement system including angled soil reinforcement elements to resist seismic shear forces and methods of making same are disclosed. For example, the soil reinforcement system includes an array or grid of angled soil reinforcement elements installed within the ground, wherein the angled reinforcement elements are designed to absorb and/or resist earthquake-induced seismic shear forces by transferring the applied shear forces into axial compressive and tensile forces within each of the angled reinforcement elements.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: January 16, 2018
    Assignee: GEOPIER FOUNDATION COMPANY, INC.
    Inventors: Russell Green, Kord J. Wissmann
  • Patent number: 9822523
    Abstract: Bearing assemblies, bearing components and related methods are provided for heavy load applications. In one embodiment, a bearing assembly includes a first bearing apparatus having a base member and a first plurality of polycrystalline diamond compacts (PDCs) on a first surface of the base member, the first plurality of PDCs defining a first collective bearing surface. A second bearing apparatus is configured to engage and slide over the first collective bearing surface. the second bearing apparatus may include a second plurality of PDCs defining a second collective bearing surface. The collective bearing surfaces may be configured to be substantially planar or substantially arcuate. Such bearing assemblies may be implemented in, for example, bridges, roadways, buildings, railways and other structures and machines that may require heavy load bearing support.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: November 21, 2017
    Assignee: U.S. Synthetic Corporation
    Inventor: David Miess
  • Patent number: 9534379
    Abstract: A sliding seismic isolator includes a first plate attached to a building support, and an elongate element extending from the first plate. The seismic isolator also includes a second plate and a low-friction layer positioned between the first and second plates, the low-friction layer allowing the first and second plates to move freely relative to one another along a horizontal plane. The seismic isolator also includes a lower support member attached to the second plate, with a biasing arrangement, such as at least one spring member or at least one engineered elastomeric element, which can include one or more silicone inserts, positioned within the lower support member. The elongate element extends from the first plate at least partially into the lower support member and movement of the elongate element is influenced or controlled by the biasing arrangement.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: January 3, 2017
    Inventor: Damir Aujaghian
  • Patent number: 9316014
    Abstract: A lever viscoelastic damping wall assembly includes a first wall, a second wall and a viscoelastic damper. The first and second walls are connected respectively to a first structural member and a second structural member. The viscoelastic damper includes a swing rod connected pivotally to the first and second walls, a first viscoelastic unit connected between the first wall and an end portion of the swing rod, and a second viscoelastic unit connected between the second wall and an opposite end portion of the swing rod. The swing rod is driven to pivot relative to the first and second walls, and to thereby generate shear deformations of the first and second viscoelastic units to damp a relative movement between the first and second structural members.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: April 19, 2016
    Assignee: NATIONAL APPLIED RESEARCH LABORATORIES
    Inventors: Chung-Che Chou, Steven Tsuang, Yung-Hsiang Chen, Luh-Maan Chang
  • Patent number: 9234346
    Abstract: Provided is a cassette-vibration isolation device that is easy to upkeep (maintain) and that can cause a heavy structure to rise during an earthquake. The device is provided with an upper base and a lower base that are arranged so that the bottom surface of the upper base faces the upper surface of the lower base; a cavity, which is formed between the upper base and the lower base, and the inside of which is filled with fluid; sealing members, which are provided in an attachable/detachable manner along the inner walls of the cavity, and which maintain the state wherein the cavity is filled with fluid; and a valve, which connects the cavity and a fluid-supply source, and which supplies fluid to the inside of the cavity. During an earthquake, the upper base can rise from the lower base due to the supply of fluid via the valve to the inside of the cavity.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: January 12, 2016
    Assignee: Onoda Construction
    Inventor: Miho Sakamoto
  • Patent number: 9157553
    Abstract: A pipeline repair apparatus for use with a pipe having a rupture includes a clamp member having a hemispherical first portion complementary to a hemispherical second portion being pivotally coupled to the first portion. The second portion is pivotally movable between an open configuration allowing the clamp member to be removed from the ruptured pipe and a closed configuration preventing the clamp member from being removed from the ruptured pipe. The clamp member defines an open top and bottom through which the ruptured pipe extends when the first portion and the second portion are attached thereto. The first portion and the second portion define a plurality of first portion apertures and second portion apertures, respectively, each first portion aperture being aligned in association with a second portion aperture. The apparatus includes a plurality of drill insertion rods, each rod having a configuration selectively received through first and second portion apertures.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: October 13, 2015
    Inventor: Vyvyan G. Williams
  • Patent number: 9103118
    Abstract: A three part foundation system for supporting a building is described. Three part foundation systems can include a containment vessel, which constrains a buffer medium to an area above the containment vessel, and a construction platform. A building can be built on the construction platform. In a particular embodiment, during operation, the construction platform and structures built on the construction platform can float on the buffer medium. In an earthquake, a construction platform floating on a buffer medium may experience greatly reduced shear forces. In a flood, a construction platform floating on a buffer medium can be configured to rise as water levels rise to limit flood damage.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: August 11, 2015
    Assignee: Arx Pax LLC
    Inventor: D. Gregory Henderson
  • Publication number: 20150128510
    Abstract: The invention is drawn to a methods and systems employing at least one seismic isolation bearing having a substantially polygonal shape in a top and/or bottom view. Preferably the polygonal shape is other than a square shape; preferably the shape is other than a rectangular shape. Such polygonal isolation bearings can be easily and securely joined to other components o the flooring or platform, and are of particular use in modular seismic isolation systems, in which the floor or platform can be assembled to suit the available space. In preferred systems the polygonal isolation bearings may be used in low profile systems, for example, in locations having restricted headroom.
    Type: Application
    Filed: October 29, 2014
    Publication date: May 14, 2015
    Inventors: Gil A. Moreno, Donald Hubbard
  • Patent number: 9016007
    Abstract: The disclosed subject matter is directed to a building structural bracing apparatus having an inner core element sandwiched between an upper and a lower containment web. The brace frame being useful in the construction of earthquake and blast resistant structures where energy dissipation is desired.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: April 28, 2015
    Assignee: BlueScope Buildings North America, Inc.
    Inventors: Igor Marinovic, Clifton D. Hyder
  • Publication number: 20150107166
    Abstract: A seismic isolation system including a base plate having a textured top surface and a top plate positioned above the base plate having a non-textured bottom surface, wherein desired coefficients of static and kinetic friction between the top plate and the base plate prevent relative movement of the two plates with normal operation and yet allow the top plate to move relative to the base plate during a seismic event. In one example, the sliding surface has a coating such as a polyester (e.g., polyester triglycidyl isocyanurate) or a low surface energy coating (e.g., silicone-epoxy coating). In another example, the seismic isolation system further includes a damping system comprising internal dampers within a concrete slab resting on the top plate to provide displacement control.
    Type: Application
    Filed: December 13, 2013
    Publication date: April 23, 2015
    Applicant: EQX Global LLC
    Inventors: Don Clyde, Paul J. Segas
  • Patent number: 8978849
    Abstract: The present invention relates to a damping and dissipation device (10) which can be used for limiting disturbances transmitted between two bodies, generated by forcing elements of a dynamic, seismic nature and by wave-motion in structures in general, which comprises two end elements (18, 14, 32) each destined for being respectively connected to one of the two bodies, the device (10) also comprising at least one disk (11) made of an elastomeric material and at least one elastic element (12) with a variable load, coaxially arranged along an axis A, the elastic element (12) with a variable load having an initial pre-compression degree and is characterized in that at least one of the end elements (18) is connected to the device (10) through a sliding coupling with a sliding direction within a plane tilted with respect to the axis (A), preferably by at least 60°.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: March 17, 2015
    Assignee: Saipem S.p.A.
    Inventor: Paolo Minola
  • Patent number: 8973887
    Abstract: In a slide structure, a support structure and a seismically isolated structure, a first sliding surface (25) of a sliding member (21) is formed of a sliding body (24) made of synthetic resin. A film (27) made of synthetic resin and having a Young's modulus more than twice as large as that of the first sliding surface (25) is formed on the second sliding surface (28) of the counter member (22). At the same time, fine irregularities having a maximum height Rz of 3 ?m or higher are formed on the surface of the film (27). As a result, the lubricant is trapped in small pits of the irregularities to prevent the lubricant from flowing out, and a stable low friction state can be maintained.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: March 10, 2015
    Assignee: Nippon Steel & Sumikin Engineering Co., Ltd.
    Inventor: Yasuhiro Nakata
  • Patent number: 8950126
    Abstract: The wooden building skeleton of the present invention has excellent quake resistance because the column of a rigid-frame structure joined to a cross member or the foundation so that a bending moment can be transferred therebetween and the load-bearing wall therein exhibit their load bearing ability. A foundation and a wooden column and the wooden column and a beam are respectively joined by two bolts so that a bending moment can be transferred therebetween. A load-bearing wall is also provided between the beam and the foundation. The length of the section of the bolts which undergoes elongation when inter-story deflection occurs between the beam and the foundation or the cross-sectional dimensions of the wooden column is set such that the inter-story deflection which is generated before the wooden column is fractured is almost equal to or greater than the inter-story deflection which is generated before the load-bearing wall is fractured.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: February 10, 2015
    Assignee: Sumitomo Forestry Co., Ltd.
    Inventors: Junichi Imai, Hiroki Ishiyama, Hiroki Nakashima
  • Patent number: 8935892
    Abstract: A building includes a connection between an engineered wood load bearing element of the building such as a column, beam, or load bearing panel, and another load bearing element or a foundation of the building. At least one tendon ties the load bearing elements or the load bearing element and the foundation together. One or more energy dissipaters, replaceably connected between the load bearing element and/or the foundation, absorb energy when a loading event causes relative movement of the connection. The engineered wood element may be a laminated veneer lumber element, a parallel strand lumber element, or a glue laminated timber element, for example. Typically all of the load bearing elements of the building will be engineered wood elements. The building may be single or multi-storey. The building system enables lightweight low cost buildings, with energy dissipaters which may be replaced after extreme loading. The building may be prefabricated.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: January 20, 2015
    Assignee: Prestressed Timber Limited
    Inventors: Andrew Buchanan, Stefano Pampanin, Allesandro Palermo
  • Patent number: 8881491
    Abstract: A building structure including a plurality of vertical elements extending from a ground surface with at least a first of the vertical elements connected to a second of the vertical elements by a coupling member, the coupling member includes a damping element for damping vibrations in the building structure resulting from relative movement between the first and second vertical elements due to lateral loads applied to the building structure. The damping element undergoes deformation due to the relative movement between the vertical elements causing the damping material to be activated in shear. At least one of a first and second fuse member is connected to at least one of first and second ends of the damping element respectively.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: November 11, 2014
    Inventors: Constantin Christopoulos, Michael Montgomery
  • Publication number: 20140318043
    Abstract: A class of bearings, each of them can be used as a connector to connect two parts in a structural system and as a supporter to transfer loads from one part to another, for examples, gravity of a superstructure to a substructure in a bridge or a building, or that of a machine to its foundation. While performing load transmission, it is able to reduce the transmission of transient vibrations between connected two structural parts and preserve the integrity of entire structural system; for examples, to protect a bridge's structural integrity when either an earthquake strikes its pier and foundation or a tsunami hits its superstructure or both occur simultaneously.
    Type: Application
    Filed: November 2, 2012
    Publication date: October 30, 2014
    Inventor: Su Hao
  • Publication number: 20140318042
    Abstract: This seismic protection support comprises a lower supporting base that is intended to be rested or fixed on the ground, an upper table intended to carry an object to be protected against an earthquake, and a mechanical connection system between the supporting base and the table. The mechanical system comprises at least one pantographic arm, with a succession of inner links and outer links connected together by pin elements; the first link of the succession is hinged to the supporting base through a base pin element and the last link of the succession is hinged to the table through a table pin element. In such a way, the table is free to move with respect to the base between a predetermined initial position and a plurality of final positions. In the case in which there is an earthquake, while the supporting base is moved by the earthquake itself, the table tends to remain in its previous position.
    Type: Application
    Filed: April 29, 2014
    Publication date: October 30, 2014
    Applicant: GOPPION S.P.A.
    Inventor: Alessandro GOPPION
  • Publication number: 20140311060
    Abstract: A three part foundation system for supporting a building is described. Three part foundation systems can include a containment vessel, which constrains a buffer medium to an area above the containment vessel, and a construction platform. A building can be built on the construction platform. In a particular embodiment, during operation, the construction platform and structures built on the construction platform can float on the buffer medium. In an earthquake, a construction platform floating on a buffer medium may experience greatly reduced shear forces. In a flood, a construction platform floating on a buffer medium can be configured to rise as water levels rise to limit flood damage.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Applicant: ARX PAX, LLC
    Inventor: D. Gregory HENDERSON
  • Patent number: 8857110
    Abstract: A negative stiffness device and method for seismic protection of a structure is described. In one embodiment, the device has an anchor frame and a movement frame laterally translatable relative to the anchor frame. The anchor frame and movement frame have respective extension portions. A linkage is pivotably connected to the extension portion of the anchor frame. A compressed spring has a first end is attached to the extension portion of the movement frame and a second end attached to the linkage. The compressed spring has a spring force. In a rest state, the compressed spring does not apply a lateral force to the movement frame. In an engaged state, the compressed spring is configured to apply a lateral force to displace the movement frame in a lateral direction of a seismic load. The spring force is amplified by the linkage when the movement frame is laterally displaced to an amplification point.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: October 14, 2014
    Assignees: The Research Foundation for The State University of New York, William Marsh Rice University, Taylor Devices, Inc.
    Inventors: Michael C. Constantinou, Andrei M. Reinhorn, Apostolos A. Sarlis, Douglas Taylor, David A. Lee, Satish Nagarajaiah, Dharma Theja R. Pasala
  • Publication number: 20140245670
    Abstract: Provided are an isolating device, a method of replacing an isolating structure part, and a method of controlling a load of the isolating structure part. The isolating device disposed between an upper structure and a lower structure includes an isolating structure part for performing an isolating function, and a height-adjustable part disposed on at least one of positions between the isolating structure part and the upper structure and between the isolating structure part and the lower structure, the height-adjustable part being adjusted in height by supplying or discharging fluid therein or therefrom.
    Type: Application
    Filed: March 1, 2013
    Publication date: September 4, 2014
    Applicant: JACE KOREA
    Inventors: Sung Gook Cho, Chong Hak Kim, Kwang Ho Joo, Hyun Uk Kim, Sang Hoon Noh
  • Patent number: 8763319
    Abstract: A lateral bracing system having high initial stiffness and including yield links capable of effectively dissipating stresses generated within the lateral bracing system under lateral loads.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: July 1, 2014
    Assignee: Simpson Strong-Tie Company Inc.
    Inventors: Steven E. Pryor, Guy T. Anderson
  • Publication number: 20140157690
    Abstract: A building is provided in which safety, comfort, and economic efficiency are improved by an enclosed structure and by shielding from an exterior. The building has a foundation 3, a wall 8 standing around the foundation 3 so as to be integrated with the foundation 3, a housing section 2 serving as an interior space arranged in a center of the foundation 3, a roof 30 covering an internal space surrounded by the wall 8, the roof 30 being supported by the wall 8 and not structurally combined with the housing section 2, and seismic isolation mechanisms 40 for suppressing vibration of the housing section 2 upon generation of earthquake. An interior of the building is formed as an enclosed space defined by the foundation 3, the wall 8, and the roof 30.
    Type: Application
    Filed: October 5, 2011
    Publication date: June 12, 2014
    Inventor: Ko Muroi
  • Patent number: 8671629
    Abstract: A building's seismic isolation and snubber system for a seismic isolation mechanism instantly activated includes sensors, a processing unit, absorber systems, hydraulic oil pressure systems and multilayer sliding systems. In this regard, a sensor detecting any earthquake-induced strike and dip in a building's quadrant of operation could supply an oblique angle to the processing unit in which the oblique angle thereof is transferred to any hydraulic oil pressure system's coefficient of damping for the hydraulic oil pressure system's corresponding damping force generated to control and distribute a building's equilibrium, and any multilayer sliding system is used to yield or eliminate any seismic horizontal vibrations for the said elements developing all functions, substantially reducing and distributing earthquake-induced stresses, and delivering a building with seismic vibrations effectively isolated and prevented.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: March 18, 2014
    Inventor: Chyuang-Jong Wu
  • Publication number: 20140059951
    Abstract: An energy dissipation system for structural protection of buildings includes at least one structure with a base, a second base fixed to the ground, an energy dissipation device, and a lever mechanism. The structure opposes seismic actions by translating horizontal displacement into vertical displacement. The lever mechanism amplifies displacement of the energy dissipation device in response to vertical displacement of the structure.
    Type: Application
    Filed: November 8, 2013
    Publication date: March 6, 2014
    Inventor: Alessandro Balducci
  • Publication number: 20140026498
    Abstract: The present invention concerns an anti-seismic support for supporting a construction engineering structure, which comprises a support (14) having a concave sliding surface (17) and a sliding block (16) with a convex sliding surface (16d) in sliding contact with the concave sliding surface (17), the sliding block (16) being capable of sliding with pendulum motion relative to the concave surface (17) in response to an earthquake tremor or shock, the device (11) comprising a sliding material (19) between the concave sliding surface (17) and the convex sliding surface (16b), where the friction coefficient between the sliding surfaces (16b, 17) is above 10% when the device (11) is loaded with a pressure above 30 MPa and the sliding surfaces are caused to slide at a sliding speed of more than 50 mm/s at a temperature of 20° C. or more.
    Type: Application
    Filed: February 20, 2012
    Publication date: January 30, 2014
    Applicant: POLITECNICO DI MILANO
    Inventors: Virginio Quaglini, Daniele Cuminetti, Paolo Dubini, Riccardo Motta, Daniela Ferroni
  • Patent number: 8590239
    Abstract: The invention relates to a construction made of individual components which consist at least partially of wood-concrete composite elements (100) composed by at least one wood component (110) with a wood cross section and a concrete component (101) with a concrete cross section. The wood-concrete composite elements are at least partially prefabricated and then brought together at the factory or later at the construction site. The individual components are connected and/or assembled with the other components by a non-positive and/or positive and/or material connection, partially by transmitting force only via the wood cross section or partially only by transmitting force via the concrete cross section or partially by the wood cross section and the concrete cross section.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: November 26, 2013
    Inventor: Tobias Bathon
  • Patent number: 8538734
    Abstract: Extreme event performance evaluation using real-time hysteresis monitoring. A structure is monitored using one or more sensors. One or more inter-story Hysteresis Loops for the structure are generated in real-time using data from the sensors, thus enabling rapid decision making regarding the structure's condition.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: September 17, 2013
    Assignees: California Institute of Technology, Digitex Data Systems, Corp.
    Inventors: Wilfred D. Iwan, Dan Constantin Radulescu, Costin Radulescu
  • Publication number: 20130180187
    Abstract: An earthquake resisting apparatus includes a load transmitting member which has a surface area larger than an installation area of an installation object, a movement limiting member which is arranged between the load transmitting member and an installation floor, the movement limiting member being bonded to the load transmitting member and having a coefficient of static friction between the movement limiting member and the installation floor when a load acts on the installation object in a horizontal direction in a state in which the installation object is fixed to the load transmitting member, in which the coefficient is larger than or equal to a predetermined value, and a fastening part which connects the installation object and the earthquake resisting apparatus.
    Type: Application
    Filed: January 11, 2013
    Publication date: July 18, 2013
    Inventors: Masami TAKESHITA, Masahiro YAMAZAKI, Kazuhiro SHIMOJIMA, Yuuki KIKUSHIMA
  • Publication number: 20130152491
    Abstract: An antiseismic supporting base body, which has a bearing platform on its upper surface and a main foundation below the bearing platform, wherein the main foundation has an antiseismic body, the surface area of the external surface of the antiseismic body is decreased continuously or discontinuously from top to bottom, and the strongest antiseismic strength of the antiseismic body is located in the central axis of the antiseismic body. By means of both the shape and the strength distribution of the antiseismic supporting base body, the impulse of the earthquake wave to the antiseismic body is dispersed so that the antiseismic ability increases. Also the friction between the antiseismic supporting base body and the stratum increases, and the ability of the antiseismic supporting base body to bear the external load and the stress resulted form the load raises.
    Type: Application
    Filed: January 6, 2012
    Publication date: June 20, 2013
    Inventors: Xiao Ming Jin, Tao Jin, Henry Lam
  • Patent number: 8464477
    Abstract: Seismic base isolation and energy dissipation device using a plurality of swing plate's that are placed on a central wall. This arrangement creates a strong load bearing swing beam that moves in true pendulum fashion. This system is placed between the structural load and its foundation. This seismic wave base isolation system has the purpose of absorbing seismic wave displacement energy in all directions. This unique design can scale up for very large and heavy loads or scale down to protect sensitive cargo and equipment from destructive motion. The swing plates inside the swing beam will provide support and absorption of motion by moving as a pendulum and therefore redirecting and dissipating seismic energy. This system has a simple design shape and is therefore inexpensive to construct, is easy to engineer and deploy, it requires no uncommon material and requires very little maintenance or advanced electronics.
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: June 18, 2013
    Inventors: Larry Richard Bowlus, Heidi Marie Bowlus, Robert Hawley Bowlus, Rebecka Joymae Bowlus, Ambrosia Danielle Bowlus, Katherine Leigh Bowlus, Marvin Jones
  • Patent number: 8438795
    Abstract: The invention relates to seismic protection (anti-seismic) devices and, in particular, to seismic hysteretic dampers, used to protect the structures against severe earthquakes. These devices are installed at points where large displacements are expected due to earthquake shakings, such as between a bridge deck and bearing points of said bridge (e.g. the pier cap beam).
    Type: Grant
    Filed: February 16, 2009
    Date of Patent: May 14, 2013
    Inventors: Murat Dicleli, Ali Salem Milani
  • Publication number: 20130104467
    Abstract: A vibration damping device for suppressing vibrations of a structure includes: a slide body mechanism having a concave slide body and a convex slide body which are fixed to the structure and are arranged so as to be slidable relative to each other in a reciprocating manner; and a biasing means which pushes the slide bodies to each other. Each slide body has: a first slide surface having a shape which increases a height of the slide body mechanism 2 along with the increase of a displacement amount of the slide body in one sliding direction from a neutral position relative to the counterpart slide body; and a second slide surface having a shape by which the height of the slide body mechanism is increased along with the increase of the displacement of the slide body in the other sliding direction from the neutral position.
    Type: Application
    Filed: June 14, 2011
    Publication date: May 2, 2013
    Applicants: National University Corporation Kumamoto University, Kimigafuchi Gakuen
    Inventors: Toshitaka Yamao, Takuro Katayama, Koji Azuma
  • Patent number: 8429862
    Abstract: The present invention provides a vibration damping construction system including a first construction body, a second construction body, and a damping unit. The first construction body includes a reaction surface. The second construction body is accommodated in the first construction body. The damping unit is disposed between the second construction body and the reaction surface of the first construction body for reducing the vibration transferred from the first construction body.
    Type: Grant
    Filed: February 7, 2010
    Date of Patent: April 30, 2013
    Assignee: Ruentex Engineering & Construction Co., Ltd.
    Inventor: Samuel Yin
  • Patent number: 8424253
    Abstract: Systems mitigate structural damage by selectively engaging energy-absorbing structures only during impact events, including aircraft impacts. Systems include lateral dampening devices and/or seismic bearings between a structure and its foundation. Lateral dampening devices include a restorative member and/or reactive member configured to rigidly join the structure and the foundation and dampen reactive movement after the structure moves toward the foundation during an impact event. Seismic bearings include a top plate connected to the structure, a bottom plate connected to the foundation, and a resistive core between the top plate that dampens relative movement between the structure and the foundation. Seismic bearings may include a capture assembly that rigidly joins and dampens reactive movement between the structure and the foundation during an impact event.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: April 23, 2013
    Assignee: GE-Hitachi Nuclear Energy Americas LLC
    Inventors: Eric P. Loewen, Brett J. Dooies
  • Patent number: 8418413
    Abstract: The present invention relates to a tower (12) configured to support a wind turbine (18, 20). The tower (12) comprises a mass assembly (22) suspended by suspension apparatus (24) from the tower (12) such that the mass assembly (22) is movable to and fro in relation to the tower. The tower (12) also comprises at least one coupling apparatus mechanically coupled to the mass assembly (22) and to the tower (12), the coupling apparatus being operable to couple energy between the mass assembly and the tower as the mass assembly (22) moves to and fro.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: April 16, 2013
    Assignee: XI Engineering Consultants Limited
    Inventors: Brett Marmo, Mark-Paul Buckingham, Charles Keepax, John Paul McKeown, Barry Carruthers, Donald Black
  • Publication number: 20130074427
    Abstract: A energy dissipating metal plate joins a pair of target members and exhibits energy dissipating performance corresponding to a relative displacement between the target members. The energy dissipating metal plate includes: a first joint part to be joined to one of the target members; a second joint part to be joined to other of the target members; and vibration dissipating parts which are provided on a transmission path of tensile force and compression force between the first joint part and the second joint part, and which have slits. Each of the first joint part and the second joint part is formed in a strip shape substantially parallel to a direction of the relative displacement.
    Type: Application
    Filed: June 16, 2010
    Publication date: March 28, 2013
    Inventors: Yoshimichi Kawai, Fuminobu Ozaki
  • Patent number: 8402702
    Abstract: Disclosed is a magnetically controlled base isolation system that in a simple, practical, and cost effective way significantly reduces the lateral forces transmitted to buildings, bridges, and other structures during earthquakes. It comprises sliding bearings that are constructed with steel elements, elastomeric O-rings, and permanent magnets; contain a pressurized fluid; and slide over electricity-conducting metallic base plates. It also comprises permanent magnets disposed at the periphery of the metallic base plates. The pressurized fluid carries the bulk of the vertical load supported by each bearing, minimizing thus the magnitude of the frictional forces that resist the bearings' sliding. The motion of the permanent magnets in the sliding bearings over the electricity-conducting base plates generates damping forces that reduce the bearings' relative displacements to practical levels.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: March 26, 2013
    Inventor: Roberto Villaverde
  • Patent number: 8397445
    Abstract: A joint connection (20) in which a beam end and a column base of a structure (10), or a peripheral member rigidly joined thereto, are joined to another structure (13) capable of receiving a bending moment through supporting means 22. A deformation due to a very small geometric movement within a resilient range is generated in the supporting means (22) by a reaction force generated at a joint portion with the other structure 13 due to an external force exerted on a beam or a column. This structure is capable of generating a bending moment Mr in a reverse direction to a bending moment Mc generated in the column base or the beam end.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: March 19, 2013
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Katsunori Ohnishi, Chika Iri
  • Patent number: 8381463
    Abstract: The invention is an energy absorbing system for safeguarding structures from disruptive forces, which may be implemented into structures or devices to provide protection from seismic motion, blasts or other disruptive forces, due to the system's displacement and damping characteristics. The system's performance can be better molded analytically to predict performance of the structure under earthquake and wind motions, for example. By utilizing cost effective materials and a simple design, the present invention provides a more efficient cost-effective system for absorbing unwanted energy, for example, a base isolation system.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: February 26, 2013
    Inventor: Martin A. Muska