CN-117071957-B - Assembled high-rigidity micro-vibration-resistant steel beam shear wall structure system

CN117071957BCN 117071957 BCN117071957 BCN 117071957BCN-117071957-B

Abstract

The invention provides an assembled high-rigidity micro-vibration resistant steel beam shear wall structure system which meets the requirement of assembly, is convenient to install and construct, and can ensure the rigidity and micro-vibration resistance of the structure on the premise of limited clearance. The steel beam comprises main beams, one-three-level secondary beams, two transverse and longitudinal main beams and two main beams respectively opposite to the main beams are connected to the same steel tube concrete column to form a structural unit, the middle points of adjacent main beams are respectively connected with the first-level secondary beams through hinge joints in the structural unit, the middle points of the adjacent first-level secondary beams are respectively connected with the second-level secondary beams through hinge joints, the middle points of the second-level secondary beams are respectively connected with the third-level secondary beams through hinge joints, and after the steel beams are installed on the steel tube concrete column, the prefabricated shear wall is connected between the steel tube concrete column and the main beams through rigid joints.

Inventors

ZHANG QIPENG
ZHANG QILE
BAI LIGANG
DONG LIANDONG
GAN NING
Ma guangchi
LI FENG
WU JIANHUA
YANG LIANGSHENG

Assignees

中国电子系统工程第二建设有限公司

Dates

Publication Date: 20260505
Application Date: 20230818

Claims (3)

1. The utility model provides an assembled high rigidity anti little girder steel shear force wall structure system that shakes, it includes floor, girder steel, steel core concrete column and shear force wall, steel core concrete column is matrix distribution, vertical setting steel core concrete column with be connected with the level setting on the shear force wall the girder steel, the girder steel is last to be covered with floor, its characterized in that: the steel beams comprise main beams and first-stage secondary beams, wherein N is more than or equal to 2, the adjacent steel tube concrete columns are connected with the main beams through rigid joint nodes, two transverse and longitudinal main beams connected to the same steel tube concrete column and two main beams respectively opposite to the two main beams enclose to form a square structural unit, in the square structural unit, the midpoints of the adjacent main beams are respectively connected with the first-stage secondary beams through hinge joints to form a square structure, the midpoints of the adjacent first-stage secondary beams are respectively connected with the next-stage secondary beams through hinge joints to form a square structure, and after the steel beams are installed on the steel tube concrete column, a prefabricated shear wall is connected between the steel tube concrete column and the main beams through rigid joint nodes; In the same structural unit, when N is greater than 2, the last-stage secondary beam is arranged in a square area surrounded by the previous-stage secondary beam in a straight shape; the prefabricated shear wall comprises a concrete main body, reserved steel bars and profile steel positioned in the middle, wherein the profile steel is arranged in the concrete main body in a staggered manner, the end parts of the profile steel extend out of the concrete main body, a plurality of reserved steel bars are distributed in a staggered manner along the vertical direction or the horizontal direction, and the two ends of the reserved steel bars extend out of the concrete main body respectively; When the prefabricated shear wall is installed, the prefabricated shear wall is arranged between a main beam and a steel pipe concrete column, the end part of the section steel is connected with the steel pipe concrete column or the main beam through bolt welding, the end part of the reserved steel bar is connected with the steel pipe concrete column or the main beam through bolt welding, and after the connection is completed, gaps between the prefabricated shear wall and the steel pipe concrete column or between the prefabricated shear wall and the prefabricated shear wall are grouting; and a plurality of layers of steel beams are arranged on the steel tube concrete column, and Cheese plates and Deck plates are respectively paved on two adjacent layers of steel beams.
2. The assembled high-rigidity micro-vibration-resistant steel beam shear wall structure system of claim 1, wherein the prefabricated shear wall comprises a first prefabricated shear wall connected with a layer of raft and a second prefabricated shear wall not connected with the layer of raft, a reserved pit is arranged on the layer of raft when the prefabricated shear wall is installed, reserved steel bars extending out of the bottom of the first prefabricated shear wall are positioned in the reserved pit, and concrete is poured in the reserved pit to realize rigid connection of the first prefabricated shear wall and the layer of raft.
3. The assembled high-rigidity micro-vibration-resistant steel beam shear wall structure system of claim 2 is characterized in that reserved steel bars of the prefabricated shear wall II extend out of the upper side, the lower side, the left side and the right side of the concrete main body and are connected with threaded sleeves, reserved steel bars of the prefabricated shear wall I extend out of the upper side, the left side and the right side of the concrete main body and are connected with threaded sleeves, and the threaded sleeves are used for being welded with the concrete filled steel tube column or the main beam.

Description

Assembled high-rigidity micro-vibration-resistant steel beam shear wall structure system Technical Field The invention relates to the technical field of building structure systems, in particular to an assembled high-rigidity micro-vibration resistant steel beam shear wall structure system. Background The reinforced concrete main body and the steel truss roof are the structural forms commonly adopted by the current precise electronic factory buildings, the design and construction technology of the structural forms are mature, the requirements of micro-vibration prevention can be well met, the reinforced concrete main body and the steel truss roof are widely applied in the field of engineering construction of the precise electronic industry, the construction scheme mostly adopts cast-in-situ reinforced concrete frames or frame shear wall structures to meet the horizontal micro-vibration resistance of the structures, and cast-in-situ reinforced concrete beams and plate structures are adopted to meet the vertical micro-vibration resistance of the structures. The structure has the following defects that 1) the assembly is difficult to realize, the structure is difficult to apply in some cities with assembly requirements, and 2) the concrete pouring and curing time is too long, so that the construction period and the production time are influenced. The application cases of the steel structure in domestic projects are insufficient, the construction scheme mostly adopts a structural form of a steel frame or a steel frame and a column support to meet the horizontal micro-vibration resistance of the structure, and adopts a steel beam and deck plates and reinforced concrete chese plates which are arranged in a unidirectional manner to meet the vertical micro-vibration resistance of the structure. But the steel structure also has the following defects that 1) the steel structure belongs to a lightweight structure, the rigidity of a member is weaker and is difficult to apply to a factory building with high micro-vibration level requirements, 2) due to the limitation of related technologies, the reinforcing of the cross beam node of the steel structure takes a lot of time, the reliability of the reinforcing node also affects the safety of the structure, therefore, the cross beam scheme is rarely adopted in the steel structure, 3) the steel beams in the steel structure are arranged in a unidirectional way, the vertical rigidity of the structure is generally improved by increasing the height of the beam in order to meet the micro-vibration level requirements, the building clearance and the using function are seriously influenced, and 4) the horizontal rigidity of the structure is improved by increasing the cross section of the steel column and the supporting between columns. For a building with a large height and width, the horizontal rigidity of the structure is improved only by increasing the section of the steel column and the support between the columns, and meanwhile, the horizontal clear distance and the using function of the building can be influenced. Disclosure of Invention Aiming at the problems that the existing structure is difficult to assemble, the structure of the cross beam is required to be reinforced and strengthened, and when the structure is applied to a factory building with high micro-vibration level requirements, the rigidity and micro-vibration resistance of the structure are difficult to ensure on the premise of limited clearance, the invention provides an assembled high-rigidity micro-vibration resistant steel beam shear wall structure system which meets the assembly requirements, is convenient to install and construct, and can ensure the rigidity and micro-vibration resistance of the structure on the premise of limited clearance. The technical scheme is as follows: the utility model provides an assembled high rigidity anti little girder steel shear force wall structure system that shakes, it includes floor, girder steel, steel core concrete column and shear force wall, steel core concrete column is matrix distribution, vertical setting steel core concrete column with be connected with the level setting on the shear force wall the girder steel, the girder steel is last to be covered with floor, its characterized in that: the steel beam comprises a main beam, a first-level secondary beam, and an N-level secondary beam, wherein N is more than or equal to 2, the main beams are connected between the adjacent steel tube concrete columns through rigid connection nodes, two main beams which are connected on the same steel tube concrete column and are positioned in the transverse direction and the longitudinal direction and two main beams which are respectively opposite to the two main beams are enclosed to form a square structural unit, the square structural unit is internally provided with a plurality of steel tube concrete columns, the midpoints of adjacent main beams are respectively connected with th