Abstract: The present disclosure provides a device for fixing a gantry crane rail in a factory building and a gantry crane system using the same. The device comprises a main body, which comprises a top portion, a first surface and a second surface opposite the first surface. The top portion is fixed to a bottom surface of a beam of the factory building, and the first surface and the second surface are substantially parallel to the crane rail. The device further comprises a first protruded support positioned on the first surface and a second protruded support positioned on the second surface.

Abstract: The present disclosure is related to a mold device for molding a waffle slab, wherein a plurality of connecting structures made of steel bars protrude from the sides of the waffle slab, the mold device comprising: a plurality of steel molds provided at both sides of each of the plurality of connecting structures and surrounding the waffle slab, each of the plurality of steel molds having a top surface, which has a hole therein; a plurality of auxiliary devices respectively disposed at the sides of the waffle slab and having through holes corresponding to holes in the plurality of steel molds; and a plurality of fasteners; wherein the plurality of fasteners respectively pass through the through holes of the plurality of auxiliary devices and are fixed into the holes of the plurality of steel molds so that each of the plurality of auxiliary device transversely connects the top surfaces of the plurality of steel molds.

Abstract: The present disclosure relates to a method of forming a waffle slab with concrete surfaces that do not require polishing, the method comprising: providing steel molds connected to each other, and forming a space in the steel molds, wherein at least one of the steel molds has a hole; disposing a plurality of inner molds in the space formed by the steel molds; disposing predetermined steel bar cages between the plurality of inner molds, and between the plurality of inner molds and the steel molds; disposing a steel plate on top surfaces of the steel molds, wherein the steel plate comprises separate air holes; and pouring a Self-Compacting Concrete (SCC) into the space from the hole of the at least one of the steel molds such that the SCC fills the space to form the waffle slab.

Abstract: The subject invention relates to a beam-column connection structure and method of making the same wherein the beam-column connection structure includes: a precast column comprising a plurality of tension bars horizontally embedded in the precast column; a precast beam comprising a metal plate fastened to an end surface of the precast beam, the metal plate having a plurality of through holes; and a plurality of fasteners, wherein each of the fasteners respectively penetrates through each of the through holes of the metal plate and connects to an end of a corresponding tension bar so that the precast beam is fixed to the precast column.

Abstract: A waste heat recovery system is provided. The system comprises: an appliance, a tank, a pump and a pipeline switch. The appliance comprises: a housing, a refrigeration module, a heat exchanger, and a circulating water pipe. The tank is for storing heat energy generated from the refrigeration module with water therein and/or pumping water having the saved heat energy to the circulating water pipe to heat a space provided in the appliance. The pipeline switch controls water flow between the tank, the heat exchanger and the circulating water pipe. The system allows the appliance therein to refrigerate, thaw, and/or cook food, and it reduces electric energy consumption.

Abstract: A method for forming a plurality of beams connected in series is provided. The method comprises the following steps: providing a plurality of columns; providing a plurality of pre-assembled bar combinations, wherein each of the plurality of pre-assembled bar combinations comprises a plurality of lower main bars and a plurality of lower stirrups, and at least one end of the plurality of the lower main bars has connection sections extending beyond the plurality of lower stirrups; hoisting each of the bar combinations so that the two ends thereof are placed on top of two adjacent columns of the plurality of columns and the connection sections of the plurality of lower main bars of adjacent plurality of bar combinations overlap; and connecting the plurality of connection sections of the plurality of lower main bars of the adjacent plurality of bar combinations.

Abstract: A construction method for a building is provided that includes the steps of: hoisting and positioning a plurality of precast columns on at least a portion of a predetermined area of a construction site to form a precast column array having at least two spans along a first direction and one or more spans along a second direction substantially perpendicular to the first direction; positioning the pre-fabricated beam rebar assemblies between adjacent precast columns, positioning each of the precast slab panels on support potions on the precast columns, assembling the beam cage and pouring the concrete into the molds for the beam cage to accomplish the structure of a single story; and repeating the steps of constructing the above-mentioned precast column array until completion of the structure of all stories of the building.

Abstract: A thermal equilibrium for building and an energy-saving air-conditioning system using the same incorporates a first energy-recovery apparatus and a second energy-recovery apparatus. The first energy-recovery apparatus includes a first water storage tank, a foundation pile under and connected to a building architecture construction and a first heat-exchanging pipeline connected to the first water storage tank for performing heat exchange with the foundation pile so that the water in the first heat-exchanging pipeline is heated to a first temperature range. The second energy-recovery apparatus includes a second water storage tank, at least one home appliance that generates a first thermal energy during operation, and a second heat-exchanging pipeline connected to the second water storage tank for performing heat exchange with the at least one home appliance so that the water in the second heat-exchanging pipeline is heated to a second temperature range.

Abstract: The present disclosure relates to a jig for manufacturing a reinforcement cage, which comprises a base member, a slot device disposed on the base member and extending along the lengthwise direction of the base member, and a plurality of fasteners arranged on a strip and spaced apart from each other along the lengthwise direction of the strip, wherein the strip is received in a slot of the slot device and is slidable within a predetermined range. The present disclosure further relates to an erecting frame for making a reinforcement cage assembly, which comprises a substantially square frame with four sides and a plurality of supports spaced apart from each other and disposed along the four sides, wherein each of the supports has at least one slot used for receiving and holding an end of a main bar of the reinforcement cage.

Abstract: The present invention provides non-calcined cementitious compositions comprising micron inorganic particles, which can be used as a binder material; and provides non-calcined concrete compositions; non-calcined concretes are also provided, which exhibit similar or better physical and mechanical properties than those prepared with traditional cements do. The present invention also provides the preparation methods of the non-calcined cementitious compositions, the non-calcined concrete compositions and the non-calcined concretes.

Abstract: The present disclosure relates to a jig for manufacturing a reinforcement cage, which comprises a base member, a plurality of rollers disposed on the base member and spaced at intervals, a trolley which is movable on the base member; a driving device for driving the trolley; and a member for positioning the main reinforcement disposed at the first end of the base member.

Abstract: The present invention relates to a beam-column connection structure and a method for connecting a beam and a column. The beam-column connection structure comprises a precast column, a precast steel reinforced concrete beam and a plurality of fasteners. The precast column has a plurality of tension bars horizontally arranged inside the precast column and has an engagement assembly. One side of the engagement assembly is connected with one end of each of the plurality of tension bars, and the other side of the engagement assembly has a plurality of second holes therein. One end of the precast steel reinforced concrete beam has a plurality of first holes corresponding to the plurality of second holes. The plurality of fasteners are inserted into the plurality of first holes and the plurality of second holes such that the precast steel reinforced concrete beam is fixed to the precast column.

Abstract: The subject invention relates to a beam-column connection structure and method of making the same wherein the beam-column connection structure includes: a precast column comprising a plurality of tension bars horizontally embedded in the precast column; a precast beam comprising a metal plate fastened to an end surface of the precast beam, the metal plate having a plurality of through holes; and a plurality of fasteners, wherein each of the fasteners respectively penetrates through each of the through holes of the metal plate and connects to an end of a corresponding tension bar so that the precast beam is fixed to the precast column.

Abstract: The present application relates to the structure of a load-bearing column and a factory using the same. The load-bearing columns comprise a first column, a second column and a third column. The first column is a reinforced concrete column and is arranged on the underground floor. The second column is a pre-fabricated reinforced concrete column on the ground floor and is fixed to the top of the first column. The third column is fixed to the top of the second column, wherein the third column comprises a steel column and a third reinforcing bar assembly which surrounds the circumference of the steel column and extends from the bottom of the steel column in an axial direction to a predetermined distance.

Abstract: Lifting equipment for lifting a waffle slab used in a construction includes a main body bracket, a sliding member and a plurality of clamping mechanisms for clamping the waffle slab. The main body bracket has a through hole in a center thereof. The sliding member is slidably disposed in the through hole of the main body bracket. The sliding member includes an engagement member located at the top of the sliding member, a shaft portion connected to the bottom of the engagement member and slidably disposed in the through hole of the main body bracket, a sleeve fitted to an outer circumference of the shaft portion, and a flange fixed to the bottom of the shaft portion for preventing the sleeve from moving downward.

Abstract: The present invention relates to a grid deck with shear-resisting plates and the assembly of the grid decks. The shear-resisting plates are pre-cast in the grid deck and protrude from the side surfaces thereof. When the grid decks with shear-resisting plates are assembled, they are laid on the beams with the shear-resisting plates contacting the beams and without the grid decks contacting the beams.

Abstract: The subject disclosure is related to a beam-column connection structure, comprising a first H-shaped steel beam, a second H-shaped steel beam generally perpendicularly connected to a side of the first H-shaped steel beam, and a third H-shaped steel beam generally perpendicularly connected to another side of the first H-shaped steel beam wherein a main stirrup penetrates these H-shaped steel beams and surrounds the joints thereof.

Abstract: The subject invention is related to a waffle slab with a plug. The waffle slab comprises a plurality of through holes from the top surface to the bottom surface thereof along its thickness direction, and at least one of the through holes has at least one stop-profile. The plug has at least one profile complementary to the at least one stop-profile of the through holes, so that when the plug is inserted into the at least one through hole, the plug sits on the at least one stop-profile and a top surface of the plug is flush with the top surface of the waffle slab.

Abstract: A construction method for a building is provided that includes the steps of: hoisting and positioning a plurality of precast columns on at least a portion of a predetermined area of a construction site to form a precast column array having at least two spans along a first direction and one or more spans along a second direction substantially perpendicular to the first direction; positioning the pre-fabricated beam rebar assemblies between adjacent precast columns, positioning each of the precast slab panels on support potions on the precast columns, assembling the beam cage and pouring the concrete into the molds for the beam cage to accomplish the structure of a single story; and repeating the steps of constructing the above-mentioned precast column array until completion of the structure of all stories of the building.

Abstract: The present disclosure relates to a jig for manufacturing a reinforcement cage, which comprises a base member, a slot device disposed on the base member and extending along the lengthwise direction of the base member, and a plurality of fasteners arranged on a strip and spaced apart from each other along the lengthwise direction of the strip, wherein the strip is received in a slot of the slot device and is slidable within a predetermined range. The present disclosure further relates to an erecting frame for making a reinforcement cage assembly, which comprises a substantially square frame with four sides and a plurality of supports spaced apart from each other and disposed along the four sides, wherein each of the supports has at least one slot used for receiving and holding an end of a main bar of the reinforcement cage.