Abstract: A tower configured to be positioned adjacent to or as a part of existing electrical power utility structures, such as transmission towers, distribution towers, substation structures, etc., includes an outer structure having a lower end configured to be anchored to the ground, and an opposite upper end. An inner structure is positioned within the outer structure and is connected to the outer structure. The inner structure has a lower end configured to be anchored to the ground and an opposite upper end. A mast is movable within the inner structure between a lowered position and a raised position. The mast supports various electronic equipment, such as cellular antenna arrays, remote radio unit (RRU) arrays, microwave antennas, imaging equipment, acoustic sensors, tectonic or motion sensors, thermal sensors, chemical sensors, and/or nuclear sensors.

Abstract: A method assembles a wind turbine in a non-vertical orientation. The turbine has a nested wind tower with a plurality of tower sections, including a first inner tower section radially inward of an outer tower section. Each of the tower sections has a wall with an inner surface and an outer surface. The first inner tower section has a connection interface at or near its bottom end, and the outer tower section has a counterpart connection interface at or near its top end. The tower has a friction reduction member configured to reduce friction between the first inner tower section and the outer tower section as the first inner tower section is extracted in a non-vertical orientation. The first inner tower section is extracted in a telescoping manner until the connection interface contacts the counterpart connection interface. The method also secures the connection interface and the counterpart connection interface together.

Abstract: The invention relates to a connection between a tower (7) of a wind generator and its foundation established by an interface formed by flexible elements independent from one another which are formed by a series of tensioned cables (1). Each of these cables is located inside vertical housing means (4) which are embedded in the foundation. The invention also relates to a method of execution of the connection between a tower (7) of a wind generator and its foundation (8), comprising a series of stages, some of which vary depending on whether or not the foundation (8) has central lightweighting. It also generates variation in some aspect if the tower is made of metal or concrete and, in this case, if the tensioning cables of the tower are common to or independent of those of the connection.

Abstract: A transition structure for a tower comprises a plurality of panels that each includes a panel body having opposed upper and lower ends, a lower mounting surface at the lower end, an upper mounting surface at the upper end, and a pair of lateral mounting surfaces at lateral edges. The upper mounting surfaces are generally planar, and the panel bodies taper from their upper mounting surface to their lower mounting surface. Each panel is mounted to at least another of the panels at corresponding lateral surfaces to form, with the upper ends, the shape that conforms to the lower end of the tower to be supported. The transition structure also comprises a plurality of footings, each having an upper end mated to the lower mounting surface of one of the panels, a lower end configured to mate with a post of a foundation, and a footing body between the upper and lower ends.

Abstract: A method for fabricating a distillation column in a remote location away from a permanent manufacturing facility is provided. In one embodiment, the method can include the steps of: forming a plurality of column sections each having a diameter D, each column section comprising a plurality of courses that have been horizontally welded together, wherein each course is comprised of two or more partial shells that have been vertically welded together, wherein each of the two or more partial shells was created by vertically rolling a rectangular plate having a length of at least ( 1 N ? ? · D ) , wherein N is the number of partial shells used to form the course; installing a distributor and packing in each column section to form a plurality of packed column sections; and stacking the plurality of packed column sections to form a column.

Abstract: A columnar structural component and method of forming a columnar structural element from a sandwich panel includes forming a number of sets of recesses in the sandwich panel and bending the sandwich panel at each set of recesses to form a columnar structural element. The columnar structural component includes a number of support members at least partially disposed within an area bounded formed with the sandwich panel is bent in the areas of the sets of recesses.

Abstract: A method for fabricating a hollow bar that forms elements of a grille or railing of a metalwork piece where the bar is twisted manually, machine-assisted or automated machinery, into a spiral form for decorative or ornamental purposes. By providing the hollow bar to be comprised of separate longitudinal parts which may be hinged-joined to complementarily fastened to each other to form the hollow bar, the longitudinal joints are thus amenable to increased torsional stress, such that each of the parts may be twisted without breaching the material's fatigue limit and the bar as a whole capable of being twisted with more spiral turns within its elasticity limits. The twisted bar may thus be released for re-working for adjustments or re-installation. A number of exemplary joint embodiments, internal and external bracing accessories are also disclosed to cater for the different longitudinal part fabrication, e.g. by extrusion or roll-milling.

Abstract: An offshore wind turbine generator comprises an elongated, buoyant tower, having an internal service tube, the service tube extending from the lower end of the tower to above the waterline when in use, a connection arrangement comprising an upper connection assembly, and a lower connection assembly. An intermediate tension/torsion leg is arranged between the upper and lower connection assemblies. The connection assembly is adapted for lowering and raising within the service tube.

Abstract: A load-bearing structure and a method of producing a load-bearing structure, in particular a tower of a wind energy plant, provides a hollow concrete part with an outer wall which is manufactured by several layers produced in wet-on-wet technology. The outer layer is a fine-grain concrete layer provided with a textile reinforcement, and the inner layer is made of bulk concrete.

Abstract: A method is provided for the production of tower segments, which are used to assemble a wind turbine tower. The method includes providing a sheet steel, cutting the sheet steel into a plurality of steel plates, cutting at least one opening in the plurality of steel plates, and bending the steel plates into a desired shape. The steps are performed in a continuous process, such that the steel plates move from one step in the production to the next.

Abstract: Installation vessels and methods for offshore wind turbine installation are disclosed. In one embodiment, a cantilever mast is used to transfer of wind turbine components from an installation vessel to an offshore installation site and guide the transfer to prevent undesired swinging movements of the wind turbine components. In another embodiment, a main crane is used in cooperation with a guide arm to transfer and guide wind turbine components from an installation vessel to an offshore installation site.

Abstract: A method for fabricating a reinforced concrete beam which greatly increases the effectiveness of stirrups in contributing to shear resistance. The method for fabricating a reinforced concrete beam generally includes the steps of positioning a plurality of rebars parallel with respect to each other to form the internal reinforced frame of the beam. A plurality of stirrups may then be extended around the plurality of rebars to provide additional support. An equivalent spacing value is computed in terms of transverse spacing (sw), longitudinal spacing (sL) and effective depth (d) and efficiency is then maximized in light of practical considerations by varying the transverse spacing (sw), In a preferred embodiment, after calculating the longitudinal spacing (sL) of the stirrups and the effective depth (d) of the rebars, the stirrups are positioned within the rebars using a transverse spacing (sw) calculated by the following equation: s w = ( s L d ) 0.5 ? d .

Abstract: A method of construction of a civil engineering structure that includes first and second superimposed components is described. According to one embodiment of the method: the second component is positioned beneath a fixed lifting structure that includes a lifting device, the second component is lifted using the lifting device, the first component is positioned beneath the fixed lifting structure substantially below the second component, and the second component is substantially placed on the first component using the lifting device, while the second component remains substantially in place.

Abstract: A method of assembling a tubular building structure 1 comprising a circumferential wall structure formed from a plurality of wall elements 2,20. The method comprises mutually assembling at least some of the wall elements 2,20 by use of screw sockets 4 mounted in holes in the wall elements 2,20 and bolts. The wall elements may be superposed tube sections 2 arranged on top of each other, and these tube sections 2_may be formed by interconnecting axially extending tube segments 20. In some embodiments of the invention, the screw sockets 4 are mounted at the manufacturing site, and the wall elements 2,20 are subsequently transported to the erection site of the tubular building structure 1. Preferably the mutual assembly of the wall elements 2,20 is performable solely by people working inside the tubular building structure 1 fastening the bolts 5 to the pre-mounted screw sockets 4.

Abstract: A non-welding type concrete-filled steel tube column utilizing a slot, in which an external steel tube is bended and retracted to allow a jointing portion thereof to be formed as a T-shaped bending part is provided. A slot is inserted into the T-shaped bending part in a sliding manner to construct in a non-welding manner, and a multi-perforated penetrating part can be formed on the external steel tube to secure fire resistance capacity thereof. A method of fabricating the same is also provided.

Abstract: The invention relates to a method for producing a metal component, wherein a raw material (4, 34, 42, 74) is provided, the raw material (4, 34, 42, 74) is stamped and is further processed following the stamping process to form a component (90, 108, 114). The component (90, 108, 114) has at least partially stamped areas (16, 36, 48, 98), and the raw material (4, 34, 42, 74) is hot-stamped. The invention further relates to the use of a hot-stamped metal component, which is preferably produced using a method according to the invention, in a motor vehicle body, in particular as a reinforcing element in a B-column (114), a sill, or a longitudinal beam.

Abstract: An embodiment of the system for forming a movable slab foundation as comprised by the present invention has a slab foundation, at least one substantially vertical support member, at least one support surface, and at least one support sleeve. The at least one supports sleeve surrounds the at least one support member and is encased within the slab foundation and is capable of movement axially along the length of the at least one support member. The at least one vertical support member is capable of rotation relative to the at least one support sleeve to restrict the movement of the at least one support sleeve downward relative to the at least one vertical support member, thereby maintaining the height of the at least one support sleeve and the slab foundation relative to the at least one support surface.

Abstract: Manufacturing, driving and injection method of underwater piles that serve as a foundation for any structure or platform in which one starts with a pillar or pipe (4) to which, during manufacturing, a pile (5) has been inserted in its interior. The methods solve all the possible cases, independently of whether the ground has little resistance or that the load is very great since there are several solutions that the system may adopt to solve all the problems, which are: pile driving on the ground, central injection and by bulb, peripheral injection and radial injection. In addition it includes load tests and an embedding system of the pillar in the slab or structure that is going to support it.

Abstract: A tower production method, comprising a first production stage including the steps of unrolling and bringing into a planar state a sheet metal wound around a coil; bending the planar sheet metal at the lateral direction at varying bending radii; and winding the bent sheet metal into a conical coil, as well as a final production stage yielding the tower and including the steps of feeding the sheet metal unwound from the conical coil to at least one winding machine, and bending and winding the bent sheet metal in the winding machine around a central bending axis parallel to one surface thereof so that a defined initial winding radius and the angle between a longer edge thereof and the axis are kept constant and the longer edge of the sheet metal is joined over itself.

Abstract: A wind turbine is formed of a concrete tower which is erected by slip forming. A primary lifting device is erected onto the tower by being lifted together with the slip form and being subsequently transferred onto the tower from the slip form after the tower has been formed. The nacelle, generator, and rotor of the turbine are then lifted onto the tower using the primary lifting device. A secondary lifting device supported on the tower is used to lower the primary lifting device to the ground after the nacelle, generator and rotor are assembled. The height of the tower is therefore not limited by the availability of suitable cranes so that a greater height of tower can be erected to take advantage of winds at greater elevation.

Abstract: A method for reinforcing a metal tubular structure (1) including the following steps: introducing inside the metal tubular structure (1), a plurality of substantially linear elements (4) having a tensile strength higher than a predetermined value; and injecting a curable filling product inside the metal tubular structure, so that the curable filling product contacts an inner surface of the metal tubular structure (1) and coats the substantially linear elements (4) of said plurality of elements.

Abstract: The invention relates to a wind turbine rotor blade comprising a blade tip and a lightning protection system. The rotor blade includes at least one lightning receptor at the surface of the blade in an external distance (Lex) from the distal end of the blade tip, and a lightning receptor base inside the rotor blade arranged at an first internal distance (Li1) from the distal end of the blade tip. The rotor blade further includes means for changing at least one electric property of the rotor blade at the lightning receptor base, as compared to the electric properties of the ambient air by increasing the electric field supported between the lightning receptor base and the inner surface of the rotor blade. The invention further relates to a method for manufacturing a wind turbine rotor blade.

Abstract: This invention relates to a method of lifting a wind turbine nacelle (1), the method comprising: arranging a first and second anchoring point (2,3) on each of two opposing sides of the nacelle (1), the first point (2) of each side being arranged below the center of gravity (4) of the nacelle (1) and the second point (3) of each side being arranged above the center of gravity (4), wherein one of said first and second anchoring point (2,3) of each side is immovably arranged, and wherein the other one of said first and second anchoring point (2,3) of each side is movably arranged; interconnecting said first and second anchoring point (2,3) on respective side of the nacelle (1) by means of one connecting element (5) per each of the two sides; connecting each of said connecting elements (5) to a hoisting means (11); adjusting the position of each of the movable anchoring points such that each of the connecting elements (5) is vertically aligned when lifting the nacelle (1) by the hoisting means (11).

Abstract: An automated assembly, system and method for a narrow-gap Electroslag-welded moment connection welded between horizontal beam to vertical column flanges includes vertical column doubler plates affixed to the column web and horizontal beam doubler plates affixed to the beam web with alignment of the respective webs/doubler plates to carry the moment load through the vertical support columns. An embodiment includes a radius in each horizontal beam doubler plate. The assembly, system and method is readily applicable to overdesign moment load factors.

Abstract: A method for casting monitored pilings and a pour diverter used in connection with the method is provided. The method includes positioning a plurality of pile strands in a form, and then connecting a suspension assembly having at least one sensor to at least one of the pile strands so that the at least one sensor is located in a piling core area. A pour diverter, having a generally V-shaped configuration, is positioned over the suspension assembly. Concrete is poured into the form over the pour diverter so that a flow of the concrete into the form is split and flows down on either side of the suspension assembly until the at least one sensor is covered. The pour diverter is then removed to finish the casting. Preferably, provisions are provided on the pour diverter for holding or covering an antenna assembly during the pour, prior to it being placed into the concrete forming the piling.

Abstract: The invention relates to an elongated supporting pillar for a high-strength structural component, wherein the supporting pillar is designed to absorb bending forces that act transversely to a longitudinal direction of extension of the supporting pillar. The supporting pillar comprises a wall which at least partially encloses an elongated cavity of the supporting pillar. A reinforcement structure is arranged within the cavity and transversely to the direction of longitudinal extension in such a manner that the reinforcement structure can absorb at least some of the bending forces. The reinforcement structure is designed integrally with the wall, wherein both the wall and the reinforcement structure comprise a meltable material.

Abstract: A wind turbine including an article, article, and method of forming an article for distributing stress are disclosed. The article includes a flange for securing an upper tower section and a lower tower section of a wind turbine and includes a first arm extending in a first direction, a second arm extending in a second direction substantially perpendicular to the first direction, a relief region disposed between the first arm and the second arm, the relief region maintaining or improving the distribution of stress on wind turbine components selected from the group consisting of the first arm of the flange, the second arm of the flange, a fastener of the flange, and combinations thereof.

Abstract: A wind turbine, tower and method for making same are provided. The wind turbine includes a rotor having one or more blades and a rotor radius distance approximately equal to the distance measured from a centerline of the rotor to a tip of one of the blades. The tower has one or more tower sections, including a first tower section having a generally cylindrical or frusto-conical shape. The first tower section has at least one first diameter. A reduced diameter tower section is connected to the first tower section, and has a waist portion with at least one second diameter that is smaller than the first diameter. At least a portion of the reduced diameter tower section having the second diameter is located about one rotor radius distance from the centerline of the rotor, and the reduced diameter section provides increased static clearance to the tip of the blades.

Abstract: A method and apparatus to facilitate protecting wind turbine blades from lightning damage include a turbine blade for use with a wind turbine, wherein the turbine blade includes a first sidewall and a second sidewall. The second sidewall is coupled to the first sidewall along a leading edge and along an axially-spaced trailing edge such that a cavity is defined between the first and second sidewalls. A relief system is coupled to at least one of the first and second sidewalls. The relief system is configured to discharge flow from the cavity when a pressure within the cavity exceeds a predetermined threshold. A method for assembling the same is described.

Abstract: A method for production of masts with extruded bodies includes joining at least three mast elements at corners of the mast by cooperating rail sections and channel sections. The channel sections are provided with tapered inner wall sections. The mast elements are joined by inserting the rail section of one mast element into a channel section of an adjacent mast element and clamping the rail section in the channel section. The clamping is accomplished moving a roller in a longitudinal direction on the external sides of the channel section and causing permanent deformation of the walls of the channel section around the rail section to establish a permanently joined corner.

Abstract: A fence post assembly for mounting to a substructure with a single point of attachment. The post assembly has an outer sleeve surrounding a support member and an attachment rod extending through the support member. The post assembly is mounted to the substructure by securing one end of the attachment rod in the substructure and securing the support member between a compression plate and the substructure by tensioning the upper end of the attachment rod. Attachment points for securing additional fence components to the post are provided by inserting an adapter into a receiving channel defined along a longitudinal length of the support member.

Abstract: The invention concerns a method for erecting a tower of a wind power plant made of at least three tube-shaped tower segments. For this a tower segment is connected at its ends with another tower segment in each case, in which the tower segments are arranged in a predetermined sequence of the type tower segment A—tower segment B—tower segment C one upon the other, in which the first tower segment A is selected arbitrarily from a provided plurality i?2 of first tower segments Ai which are constructed in the same way among themselves and exchangeable one for the other, in which the second tower segment B is selected arbitrarily from a provided plurality m?2 of second tower segments Bm which are constructed in the same way among themselves and exchangeable one for the other, in which the third tower segment C is selected arbitrarily from a provided plurality n?2 of third tower segments Cn which are constructed in the same way among themselves and exchangeable one for the other.

Abstract: A wrap assembly for a structural column extending between a bottom support and an overhead support includes a pair of similar, mating, elongated, molded plastic shaft sections each section having an interior surface, an exterior surface, a pair of side edges extending between those surfaces and an integral flange projecting from the exterior surface at one end of that shaft section. The shaft sections are shaped and dimensioned so that when the sections are juxtaposed with their interior surfaces facing one another and their side edges in abutment, the sections form a substantially continuous tubular shaft with an integral fastening cleat, defined by the flanges, at one end of the shaft by which the shaft may be secured to one of the supports. An annular fastening cleat surrounds the other end of the shaft for fastening to the other support to fix the other end of the shaft.

Abstract: A plurality of staking die sets is provided, each adapted to crimp an iron fence rail onto a picket where the latter passes through an aperture in the former. Each die set comprises a staking die matching the cross sectional shape of the picket and adapted to embrace one half of the picket on one side of the rail. A corresponding anvil die opposes the staking die on the opposite side of the rail. Mechanically leveraged, powered jaws force the staking die toward the anvil and against the rail to squeeze the rail in the immediate vicinity of the picket, causing rail metal around the aperture to flow toward the picket, reducing the aperture until the picket becomes immobilized. A plurality of such jaws and dies, adjustably arrayed at selected spacings and coupled to a common power source, allows a single staking operation to affix simultaneously all pickets in a given length of rail.

Abstract: A method for the production of an annular connection flange includes producing the annular connection flange from an element in the form of a circular ring. The element in the form of a circular ring has a substantially triangular profile.

Abstract: A steel stud member for use in supporting structures and having reduced thickness as compared with conventional studs, and having a web having side edges, flanges on the side edges, formed at angles to the web, the web and the flanges enclosing inside surfaces, and having outside surfaces for mounting structure, and plurality of narrow indented longitudinal grooves formed in the flanges, and in the web, indented inwardly from the outside to the inside of the flanges, providing greater load bearing capacity for a given gauge of steel. Also disclosed is a method of making such a steel member.

Abstract: An IV pole is made from a substantially non-magnetic material to enable it to be used in the setting of an IV scanner.

Abstract: A support arm which utilizes a material with material properties such that the support arm may be easily placed into a position within a range, yet at the edges of this range have elastic properties.

Abstract: The invention concerns a method for reinforcing a metal tubular structure (1) including the following steps: introducing inside the metal tubular structure (1), a plurality of substantially linear elements (4) having a tensile strength higher than a predetermined value; and injecting a curable filling product inside the metal tubular structure, so that the curable filling product contacts an inner surface of the metal tubular structure (1) and coats the substantially linear elements (4) of said plurality of elements.

Abstract: Disclosed is a modular poured concrete wall system that addresses the needs not optimally met by the prior art, where inexpensive small light interlocking forms are quickly and readily assembled, to produce the desired aesthetically pleasing appearance of a brick wall system. The forms remain in place as part of the final structure and finished surface of the walls. Thus, a footer track assembly is affixed to a standard concrete footer or foundation. Then the modular forms are assembled upon the footer track, stacked together to produce the appearance of a brick wall. As each row or two of forms are assembled, the forms are filled with concrete. Following the concrete pour, additional forms are assembled on the top of the prior forms, to produce additional rows. By repeating this process, the full height of the wall can be quickly reached. The method may include steel rebar, such as for horizontal bond beams and for vertical strength.

Abstract: Disclosed are an electric pole manufacturing apparatus having an improved distal end, capable of reducing the cost, arranging tensile cores corresponding to a design load, and providing a high quality electric pole, and a method of manufacturing the electric pole.

Abstract: A column comprising courses of building blocks such as bricks is arranged with the long axis of each block parallel to the axis of the column and filled with a substrate such as concrete with an axial structural member. The column may be produced with the aid of a cage including spaced apart hoops or rings used to position blocks during column construction. The cage includes indenters for offsetting some of the blocks in order to form aesthetically pleasing grooving along the finished column.

Abstract: An elongate supporting element has a cross section with a web (9) and two side flanges (10, 11) for the supporting of building panels or the like. The web (9) has an elongate, stress-equalising zone (4) which extends wholly or partly between the two outer ends (8a, 8b) of the supporting element and by means of which the supporting element (8) is reinforced.

Abstract: A method for manufacturing a structural member (1), especially a vehicle assembly member serving to absorb collision energy and forces by direct or indirect collision impact, for the purpose of obtaining a deformation body which is processed from an extruded blank. The post-processing of the blank is provided without supplementing further parts, and the blank can be given various geometrical designs for variation of stiffness and energy absorbing properties of the finished structural member. There is provided a substantially extruded blank (1) having a first yoke portion (2) and one or more leg portions (3A, 3B) protruding from the yoke portions; and in the area between the yoke portion (2) and the leg portions (3A, 3B), there is effected a cutting along a certain extension, such that in a leg zone (3Z) extending from the bottom of the cutting (4a, 4b, 5a, 5b) and outwardly along a leg portion there is effected a bending for providing one or more reinforcing collision corners (6a-6d).