42results about How to "Large safety reserve" patented technology

The invention relates to a multi-story high-rise assembled steel structure frame - prestressed centrally-braced system, belonging to the technical field of structure engineering. The multi-story high-rise assembled steel structure frame - prestressed centrally-braced system comprises assembled beams and slabs, assembled stand columns and prestressed sway braces. The assembled beams and slabs in the system consist of slabs, column base joints and open-web steel beams with section steel web members. The open-web steel beams are connected with the column base joints. The slabs are supported on the open-web steel beams. The assembled stand columns consist of box columns and flanges. During construction, the assembled beams and slabs and the assembled stand columns can be spliced to form a frame structure, and the prestressed sway braces are arranged on the basis of the steel frame, so as to improve the lateral rigidness of the structure. All members of the structure system are prefabricated in factories and are rapidly assembled through bolts on the construction site to form the structure system. Concrete pouring and welding operation are avoided, the defects of long construction period, serious material wastage, great pollution during construction and the like existing the traditional buildings are overcome, and the factory integrated production of buildings can be realized.

The invention provides an industrialized assembly type special-shaped column steel structure frame-eccentric support system and belongs to the technical field of structural engineering. The industrialized assembly type special-shaped column steel structure frame-eccentric support system comprises assembly type truss plates, assembly type columns and eccentric support members. Each assembly type truss plate comprises lattice truss beams and floor slabs and is prefabricated in a factory, and the assembly type truss plates and beam-column joints of the assembly type columns are spliced through beam-end seal plates in a construction site, and the assembly type columns are spliced among layers in the site through bolts to form a multiple-layer truss plate steel frame structure. Based on the truss plate steel frame structure, the eccentric support members serve as lateral force resisting members and are connected with the truss beams in the assembly type truss plates and the bottoms or the tops of the assembly type columns. The assembly type truss plates, the assembly type columns and the eccentric support members are prefabricated in the factory and are assembled in the construction site through bolts.

The invention relates to an assembled steel structure center support frame system and belongs to the technical field of structure engineering. The system comprises assembled truss plates, assembled uprights and center support members, wherein the assembled truss plates comprise lattice truss beams with steel angle web members, and floor plate, and are prefabricated in a factory; the assembled truss plates are spliced with beam column nodes of the assembled uprights by beam end sealing plates of the assembled truss plates at a construction site; the assembled uprights are spliced between layers by bolts on site to form a multilayer steel frame structure; based on the steel frame structure, the center support members serve as lateral force resisting members and are connected with the truss beams in the assembled truss plates and the bottoms or tops of the assembled uprights; the assembled truss plates, the assembled uprights and the center support members are prefabricated in the factory and assembled by the bolts at the construction site.

The invention provides an industrialized assembly type special-shaped column steel structure system and belongs to the technical field of structural engineering. The industrialized assembly type special-shaped column steel structure system comprises assembly type truss plates and assembly type columns. Each assembly type truss plate comprises lattice truss beams and floor slabs and is prefabricated in a factory, and the assembly type truss plates and beam-column joints of the assembly type columns are spliced through beam-end seal plates in a construction site, and the assembly type columns are spliced among layers in the site through bolts to form a multiple-layer truss plate steel frame structure. The assembly type truss plates and the assembly type columns are prefabricated in the factory and are assembled in the construction site through bolts.

The invention discloses an industrialized assembling type special-shaped column steel structure-steel plate shear wall steel structure system and belongs to the technical field of structure engineering. The industrialized assembling type special-shaped column steel structure-steel plate shear wall steel structure system comprises an assembling type truss plate, assembling type columns and a steel plate shear wall. The assembling type truss plate comprises a lattice truss beam provided with a web member and a floor plate. The assembling type truss plate is prefabricated in a plant and spliced with beam column joints of the assembling type columns through a beam end sealing plate of the assembling type truss plate at the construction site, and the assembling type columns are spliced to form a multiplayer truss plate steel framework structure among layers through bolts at site. On the basis of the steel framework structure, the steel plate shear wall is connected onto the truss beam in a framework structure beam plate layer or the column bottoms or the tops to serves as a lateral load resistance element. The assembling type truss plate, the assembling type special-shaped columns and the steel wall plate shear wall member are all fabricated in the plant and assembled at the construction site through bolts.

The invention relates to an industrialized assembly type pillar-running-through steel structure frame prestress eccentric support system, and belongs to the technical field of structural engineering. The industrialized assembly type pillar-cutting-through steel structure frame prestress eccentric support system comprises assembly type truss slabs, assembly type stand columns and prestress eccentric supporting members. Each assembly type truss slab comprises a latticed truss girder provided with an angle bar web member and a floor slab, and the assembly type truss slabs are prefabricated in a factory. At the construction field, the assembly type truss slabs are mutually connected with beam column nodal points in a splicing mode through beam end close plates and cover plates on beams of the assembly type truss slabs. The assembly type stand columns cut through the beam column nodal points, one stand column can run through the height of 4-5 floors, and the stand columns are connected to an inflection point, which is small in stress, in the middle portions of the floors in a splicing mode on site to form multiple layers of truss slab steel frame structures. Based on the truss slab steel frame structures, the prestress eccentric supporting members are connected to the bottoms or the tops of the truss girders in assembly type truss slabs, and the assembly type truss slabs, the assembly type stand columns and the prestress eccentric supporting members are all prefabricated in the factory and assembled through bolts at the construction field.

The invention discloses an industrial prefabricated eccentric bracing system with penetrating columns for a steel structural frame, and belongs to the technical field of structural engineering. The industrial prefabricated eccentric bracing system comprises prefabricated truss plates, prefabricated upright columns and eccentric bracing members; the prefabricated truss plates comprise floors and latticed truss beams with angle steel web members; the prefabricated truss plates are prefabricated in a factory and are spliced with beam-column joints of the prefabricated upright columns by beam-end sealing plates and on-beam cover plates of the prefabricated truss plates in a construction site; the prefabricated upright columns penetrate the beam-column joints, each upright column with the certain length can penetrate 4-5 stories, and the upright columns are spliced at inflection points, which have low stress, of middle columns of the stories by bolts in the site, so that a multilayer truss plate and steel frame structure is formed; the eccentric bracing members are connected to the bottoms or the tops of the truss beams of the prefabricated truss plates to be used as lateral-resistant members on the basis of the truss plate and steel frame structure; the prefabricated truss plates, the prefabricated upright columns and the eccentric bracing members are prefabricated in the factory and are assembled by bolts in the construction site.

The invention provides an industrialized assembly type special-shaped column steel structure frame-eccentric support system and belongs to the technical field of structural engineering. The industrialized assembly type special-shaped column steel structure frame-eccentric support system comprises assembly type truss plates, assembly type columns and central support members. Each assembly type truss plate comprises lattice truss beams and floor slabs and is prefabricated in a factory, and the assembly type truss plates and beam-column joints of the assembly type columns are spliced through beam-end seal plates in a construction site, and the assembly type columns are spliced among layers in the site through bolts to form a multiple-layer truss plate steel frame structure. Based on the truss plate steel frame structure, the central support members serve as lateral force resisting members and are connected with the truss beams in the assembly type truss plates and the bottoms or the tops of the assembly type columns. The assembly type truss plates, the assembly type columns and the central support members are prefabricated in the factory and are assembled in the construction site through bolts.

The invention discloses an industrialized assembling type special-shaped column steel structure prestress eccentric supporting system and belongs to the technical field of structure engineering. The industrialized assembling type special-shaped column steel structure prestress eccentric supporting system comprises an assembling type truss plate, assembling type columns and a prestress eccentric supporting member. The assembling type truss plate comprises a lattice truss beam and a floor plate. The assembling type truss plate is prefabricated in a plant and spliced with beam column joints of the assembling type columns through a beam end sealing plate of the assembling type truss plate at the construction site, and the assembling type columns are spliced to form a multiplayer truss plate steel framework structure among layers through bolts at site. On the basis of the truss plate steel framework structure, the prestress eccentric supporting member serves as a lateral load resistance element to be connected with the bottoms or the tops of the truss beam in the assembling type truss plate and the assembling type columns. The assembling type truss plate, the assembling type columns and the prestress eccentric supporting member are all fabricated in the plant and assembled at the construction site through bolts.