CN111926949B - A connection structure between a prefabricated wall panel and an assembled steel frame structure beam and a construction method thereof - Google Patents

A connection structure between a prefabricated wall panel and an assembled steel frame structure beam and a construction method thereof Download PDF

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CN111926949B
CN111926949B CN202010859186.1A CN202010859186A CN111926949B CN 111926949 B CN111926949 B CN 111926949B CN 202010859186 A CN202010859186 A CN 202010859186A CN 111926949 B CN111926949 B CN 111926949B
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wall panel
frame
steel
prefabricated
steel frame
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CN111926949A (en
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黄靓
张慧芳
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Hunan University
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention discloses a connection structure of a prefabricated wallboard and an assembled steel frame structural beam and a construction method thereof. The connecting device comprises a chute and a wallboard connecting piece. The connecting piece is L-shaped, the connecting piece and the wallboard are connected through bolts in a factory, and the connecting piece and the frame beam are connected through double rows of bolts after the alignment is completed in a construction site. The invention has simple construction, convenient and quick bolt connection, high construction speed, adaptability to the development of assembled steel structures and easy installation and disassembly. The adoption of double-row bolt connection ensures that the steel beam has higher overall stability and bearing capacity, and simultaneously ensures that the steel frame and the prefabricated wallboard have better deformation coordination.

Description

Connection structure of prefabricated wallboard and assembled steel frame structural beam and construction method thereof
Technical Field
The invention relates to the technical field of buildings, in particular to a connection structure of a prefabricated wallboard and an assembled steel frame structure beam and a construction method thereof, and belongs to the technical field of assembled buildings.
Background
In recent years, the assembled building is developed greatly in China, and compared with the cast-in-situ building, the assembled building has the advantages of high construction efficiency, environmental protection, labor reduction and the like. The fabricated building is mainly divided into a concrete structure, a wood structure and a steel structure, wherein the fabricated steel structure building has the characteristics of light weight, less field wet operation, recycling of materials, standardized manufacturing, industrial production, field assembly and the like, and is one of effective measures for relieving energy shortage.
In areas with frequent earthquakes, the requirements on the earthquake resistance of the house structure are high, the connection between the members is reasonably designed, and especially the safe connection between the frame structure and the enclosure wall is one of the design key points of the frame structure.
At present, the prefabricated wall boards and the frame beams are generally in flexible connection and rigid connection, the flexible connection adopts a connecting piece mode, the connection between the frame beams and the prefabricated wall boards is weakened, external forces borne by the prefabricated wall boards under the action of earthquakes and other horizontal loads are reduced, damage is avoided, the rigid connection adopts a superposed beam mode, the connection between the frame beams and the prefabricated wall boards is enhanced through integral pouring of embedded bars and beams of the prefabricated wall boards, the external forces borne by the prefabricated wall boards under the action of earthquakes and other horizontal loads are increased, and node damage is easy to occur.
Liu Xuechun et al discloses a steel structure assembled outer wall system (application publication number: CN 105525702A, application number: 20151080078.6), which comprises a steel frame structure, a wall structure and connecting pieces, wherein the L-shaped connecting pieces are fixed on wall boards, the T-shaped connecting pieces are welded on the L-shaped connecting pieces on the upper parts of the wall boards, bolt holes are reserved in the L-shaped connecting pieces on the upper parts of the wall boards, and wedge-shaped steel plates are welded on the upper surfaces of the lower flanges of the upper frame beams at a certain distance. And during construction, the upper frame beam and the wallboard are in positioning connection through the wedge-shaped steel plate and the T-shaped connecting piece, and the lower frame beam and the wallboard are in bolt connection. The connection adopts firm and effective flexible connection, but the precision of the connecting member is higher, and the prefabricated wallboard is only firmly connected with half of the flange of the frame beam, so that the frame beam has lower overall stability.
Zhang Xinlong, etc. (application publication number: CN 110886530A, application number: 201911314023.9), which is composed of a friction connection assembly and a bearing connection assembly, can effectively absorb interlayer displacement, and meets the technical requirements of good shock resistance, overall beauty, flatness, etc., but the connection is not firm enough, and the effect may be affected by external factors in many aspects during practical use.
The above query results show that the flexible connection form which is simple, firm and effective and is favorable for earthquake resistance needs further research and development, and aiming at the problems, the novel connection structure of the prefabricated wallboard and the assembled steel frame structure beam and the construction method thereof are provided, and a method is provided for the safe connection between the frame structure and the enclosure wall.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel connection structure of a prefabricated wallboard and an assembled steel frame structure beam and a construction method thereof, so as to solve the problems of complicated construction, insufficient firmness and the like of the existing connection structure and realize the improvement of various aspects such as site operability, safety reliability, earthquake resistance and the like.
The invention adopts the following technical scheme:
A connection structure of a prefabricated wallboard and an assembled steel frame structure beam comprises a steel frame formed by steel frame columns and steel frame beams, a prefabricated wallboard and a connection device for connecting the steel frame and the prefabricated wallboard, wherein the connection device comprises a chute and wallboard connecting pieces, L-shaped connecting pieces are arranged on the prefabricated wallboard, the flanges of the frame beams are provided with the chute, double rows of bolt holes are reserved, and the prefabricated wallboard and the assembled steel frame beams are connected together through the chute positioning and high-strength bolt fastening.
The connecting structure of the prefabricated wallboard and the assembled steel frame structural beam is characterized in that the sliding groove is L-shaped or 匚 -shaped, is distributed at two ends of the lower surface of the lower flange of the upper beam and the upper surface of the upper flange of the lower beam, and has the length of 1/4-1/3 of the width of the flange of the frame beam, and is arranged along the sliding direction of the wallboard connecting piece, so that the wallboard can be conveniently put in place.
A connection structure of prefabricated wallboard and assembled steel frame structure roof beam, wallboard connecting piece be L type, distribute in the upper portion and the lower part of wallboard, adopt single row bolted connection between connecting piece and the wallboard, reserve double bolt hole with girder steel connected part.
The connecting structure of the prefabricated wallboard and the assembled steel frame structure beam is characterized in that the steel frame is composed of two parallel square steel pipe columns and an upper frame beam and a lower frame beam, the frame beams are H-shaped steel beams, double rows of bolt holes are distributed on the lower flange of the upper frame beam and the upper flange of the lower frame beam, and two sliding grooves are respectively formed in two ends of the double rows of bolt holes.
The connecting structure of the prefabricated wallboard and the assembled steel frame structural beam is characterized in that the prefabricated wallboard is a common concrete wallboard, a recycled concrete wallboard, a wood wallboard and a bamboo wallboard.
The connecting structure of the prefabricated wallboard and the assembled steel frame structural beam is characterized in that the connecting device is made of aluminum alloy or steel.
A connection structure of prefabricated wallboard and assembled steel frame structure roof beam, upper portion, lower part L wallboard connecting piece leave the clearance distance between square steel tubular column, flush with upper portion, lower part frame roof beam bottom flange respectively.
The connecting structure of the prefabricated wallboard and the assembled steel frame structure beam is characterized in that the connecting structure of the chute and the steel frame structure beam is welded, and the wallboard connecting piece is connected with the wallboard and the steel frame structure beam by bolts.
The construction method of the connection structure of the prefabricated wallboard and the assembled steel frame structural beam comprises the following steps:
(a) The installation of the connecting device on the wallboard comprises the steps of fixing wallboard connecting pieces on the upper part and the lower part of the wallboard, perforating one end connected with a frame beam, and reserving double rows of bolt holes;
(b) Welding sliding grooves on two ends of the lower surface of the lower flange of the upper frame beam and the upper surface of the upper flange of the lower frame beam, forming holes on the lower flange of the upper frame beam and the upper flange of the lower frame beam, and reserving double-row bolt holes corresponding to the positions of the double-row bolt holes on the wallboard connecting pieces;
(c) Assembling the assembled steel frame, namely assembling two parallel square steel pipe columns, an upper frame beam and a lower frame beam, and building the frame;
(d) Firstly, lifting the wallboard to a certain height so that the wallboard connecting piece is respectively leveled with the flanges of the upper frame beam and the lower frame beam, and horizontally pushing the wallboard connecting piece into the sliding grooves on the frame beams when the two ends of the wallboard connecting piece are in one-to-one correspondence to enable the wallboard connecting piece to be tightly attached;
(e) And connecting the prefabricated wallboard with the assembled steel frame, wherein high-strength bolts with the specification of M16-M30 penetrate through the reserved holes of the frame beam and wallboard connecting pieces, and screwing nuts to achieve the fastening effect.
Compared with the prior art for connecting the prefabricated wallboard and the frame beam, the invention has the advantages that:
(1) The sliding grooves are formed in the flanges of the assembled frame beams, so that the alignment with the wallboard is easy to realize, and the construction is convenient and quick;
(2) The double-row bolt connection ensures that the steel beam has higher overall stability and bearing capacity;
(3) The steel frame is connected with the prefabricated wallboard through the sliding chute and the high-strength bolt, so that the steel frame has good deformation coordination;
(4) The flexible connection structure is convenient to detach, has replaceability, and is suitable for the development of an assembled steel structure.
Drawings
Fig. 1 is an overall schematic diagram of a steel frame structure and a node on a frame beam of the present invention.
Fig. 2 is an overall schematic view of the recycled decorative concrete wallboard and connector of the present invention.
Fig. 3 is a partial schematic view of the prefabricated wall panel upper connector of the present invention.
Fig. 4 is a partial schematic view of a frame beam upper flange runner of the present invention.
The reference numerals indicate 1-square steel pipe column, 2-upper frame beam, 3-lower frame beam, 4-prefabricated wall panel upper connector, 5-double row bolt hole on upper frame beam, 6-double row bolt hole on lower frame beam, 7-chute on upper frame beam, 8-chute on lower frame beam, 9-bolt of prefabricated wall panel upper connector, 10-bolt of prefabricated wall panel lower connector, 11-bolt hole of prefabricated wall panel lower connector, 12-prefabricated wall panel, 13-bolt hole of prefabricated wall panel upper connector, 14-bolt hole of prefabricated wall panel lower connector.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and examples.
The connection structure of the prefabricated wall panel and the fabricated steel frame beam employed in example 1 is shown in fig. 1 to 4, and includes a steel frame composed of a steel frame column (1) and steel frame beams (2, 3), a prefabricated wall panel (12), and wall panel connectors (4, 11) connecting the steel frame and the prefabricated wall panel, and sliding grooves (7, 8).
The sliding grooves are L-shaped, are distributed at two ends of the lower surface of the lower flange of the upper beam and the upper surface of the upper flange of the lower beam, are 1/4 of the width of the flange of the frame beam in length, are arranged along the sliding direction of the wallboard connecting piece, are convenient for wallboard to enter the position, and are connected with the steel frame beam by welding.
The wallboard connecting piece is L-shaped, distributes in the upper portion and the lower part of wallboard, adopts single row bolted connection (9, 10) between connecting piece and the wallboard, and double row bolt hole (13, 14) are reserved with girder steel connection's part.
The steel frame comprises two parallel square steel tubular columns (1) and upper and lower frame beams (2, 3), wherein the frame beams are H-shaped steel beams, double rows of bolt holes (5, 6) are distributed on the lower flange of the upper frame beam and the upper flange of the lower frame beam, and two ends of the double rows of bolt holes are respectively provided with a sliding groove (7, 8).
The prefabricated wall panel is a recycled concrete prefabricated wall panel (12).
The connecting device is made of Q235 steel.
And a gap distance is reserved between the wallboard connecting pieces (4 and 11) and the square steel pipe column (1), and the upper wallboard connecting piece and the lower wallboard connecting piece are respectively flush with the lower flanges of the upper frame beam and the lower frame beam.
The construction method of the connection structure of the prefabricated wallboard and the assembled steel frame structural beam in the embodiment comprises the following steps:
(a) The installation of the connecting device on the wallboard comprises the steps of fixing wallboard connecting pieces (4, 11) on the upper part and the lower part of a wallboard (12), perforating one end connected with a frame beam, and reserving double rows of bolt holes (13, 14);
(b) Welding sliding grooves (7, 8) on the lower surface of the lower flange of the upper frame beam and on two ends of the upper surface of the upper flange of the lower frame beam, perforating the lower flange of the upper frame beam and the upper flange of the lower frame beam, and reserving double-row bolt holes (5, 6) corresponding to the positions of the double-row bolt holes on the wallboard connecting pieces;
(c) Assembling an assembled steel frame, namely assembling two parallel square steel pipe columns (1) and upper and lower frame beams (2 and 3), and constructing the frame;
(d) Firstly, lifting the wallboard (12) to a certain height so that wallboard connectors (4, 11) are respectively flush with flanges of the upper and lower frame beams, and horizontally pushing the wallboard connectors into the corresponding sliding grooves (7, 8) on the frame beams when two ends of the wallboard connectors are in one-to-one correspondence to enable the wallboard connectors to be tightly attached;
(e) And connecting the prefabricated wallboard with the assembled steel frame, wherein high-strength bolts with the specification of M16-M30 penetrate through the reserved holes of the frame beam and wallboard connecting pieces, and screwing nuts to achieve the fastening effect.
The above examples are only for illustrating the preferred embodiments of the present application, and the scope of the present application is not limited thereto, and those skilled in the art should not be limited thereto, but should be able to make any general changes and substitutions within the scope of the present application.

Claims (4)

1.一种预制墙板与装配式钢框架结构梁的连接构造,其特征在于:包括钢框架柱和钢框架梁构成的钢框架、预制墙板、连接钢框架和预制墙板的连接装置,该连接装置包括滑槽和墙板连接件;所述滑槽为L型或匚型,分布在上部梁下翼缘下表面、下部梁上翼缘上表面的两端,长度为框架梁翼缘宽度的1/4~1/3,沿墙板连接件的滑动方向设置,便于墙板入位;所述墙板连接件为L型,分布在墙板的上部和下部,连接件与墙板之间采用单排螺栓连接,与钢梁连接的部分预留双排螺栓孔洞;所述钢框架由两平行的方钢管柱和上下框架梁构成,所述框架梁为H型钢梁,上部框架梁下翼缘、下部框架梁上翼缘分布有双排螺栓孔洞,其两端各有一个滑槽;上部、下部L型墙板连接件与方钢管柱之间留有空隙距离,分别与上部、下部框架梁下翼缘齐平;所述滑槽与钢框架梁的连接采用焊接;所述墙板连接件与墙板、钢框架梁的连接采用螺栓连接。1. A connection structure of a prefabricated wall panel and an assembled steel frame structural beam, characterized in that it comprises a steel frame consisting of steel frame columns and steel frame beams, a prefabricated wall panel, and a connection device connecting the steel frame and the prefabricated wall panel, the connection device comprising a slide groove and a wall panel connecting piece; the slide groove is L-shaped or 匚-shaped, distributed at both ends of the lower surface of the lower flange of the upper beam and the upper surface of the upper flange of the lower beam, with a length of 1/4 to 1/3 of the width of the frame beam flange, and is arranged along the sliding direction of the wall panel connecting piece to facilitate the wall panel to be put into place; the wall panel connecting piece is L-shaped, distributed at the upper and lower parts of the wall panel, and connected The parts are connected to the wall panels with a single row of bolts, and the part connected to the steel beam is reserved with double rows of bolt holes; the steel frame is composed of two parallel square steel pipe columns and upper and lower frame beams, and the frame beam is an H-shaped steel beam, and double rows of bolt holes are distributed on the lower flange of the upper frame beam and the upper flange of the lower frame beam, and there is a slide groove at each end; a gap is left between the upper and lower L-shaped wall panel connecting parts and the square steel pipe columns, which are flush with the lower flanges of the upper and lower frame beams respectively; the connection between the slide groove and the steel frame beam is welded; the connection between the wall panel connecting parts and the wall panels and steel frame beams is bolted. 2.根据权利要求1所述的一种预制墙板与装配式钢框架结构梁的连接构造,其特征在于:所述预制墙板为普通混凝土墙板、再生混凝土墙板、木墙板、竹墙板。2. The connection structure of a prefabricated wall panel and an assembled steel frame structure beam according to claim 1 is characterized in that the prefabricated wall panel is an ordinary concrete wall panel, a recycled concrete wall panel, a wooden wall panel, or a bamboo wall panel. 3.根据权利要求1所述的一种预制墙板与装配式钢框架结构梁的连接构造,其特征在于:所述连接装置的材质为铝合金或钢。3. The connection structure of a prefabricated wall panel and an assembled steel frame structure beam according to claim 1 is characterized in that the material of the connection device is aluminum alloy or steel. 4.一种利用权利要求1-3其中之一所述的一种所述的预制墙板与装配式钢框架结构梁的连接构造的施工方法,包括以下步骤:4. A construction method for connecting a prefabricated wall panel and an assembled steel frame structure beam using the connection structure of any one of claims 1 to 3, comprising the following steps: (a).墙板上连接装置的安装:将墙板连接件固定在墙板的上部和下部,与框架梁连接的一端开孔,预留双排螺栓孔洞;(a) Installation of the connection device on the wall panel: Fix the wall panel connection pieces on the upper and lower parts of the wall panel, open a hole at the end connected to the frame beam, and reserve double-row bolt holes; (b).框架梁上连接装置的安装:将滑槽焊接在上部框架梁下翼缘下表面、下部框架梁上翼缘上表面的两端,在上部框架梁下翼缘、下部框架梁上翼缘开孔,预留双排螺栓孔洞,与墙板连接件上的双排螺栓孔洞位置相对应;(b) Installation of the connection device on the frame beam: weld the slide grooves to the lower surface of the lower flange of the upper frame beam and the upper surface of the upper flange of the lower frame beam, open holes on the lower flange of the upper frame beam and the upper flange of the lower frame beam, and reserve double-row bolt holes corresponding to the positions of the double-row bolt holes on the wall panel connector; (c).装配式钢框架的拼装:拼装两平行的方钢管柱和上下框架梁,搭建框架;(c) Assembly of prefabricated steel frame: assemble two parallel square steel pipe columns and upper and lower frame beams to build the frame; (d).预制墙板的对位:先把墙板提到一定高度,使得墙板连接件与上下框架梁翼缘分别平齐,在墙板连接件两端与框架梁上的滑槽一一对应时水平推入,使其紧密贴合;(d) Alignment of prefabricated wall panels: First, lift the wall panels to a certain height so that the wall panel connectors are flush with the flanges of the upper and lower frame beams. When the two ends of the wall panel connectors correspond to the slide grooves on the frame beams, push them in horizontally to make them fit tightly. (e).预制墙板与装配式钢框架的连接:用规格为M16-M30的高强螺栓穿过框架梁与墙板连接件预留的孔洞,拧紧螺帽,达到紧固的效果。(e) Connection between prefabricated wall panels and assembled steel frames: Use high-strength bolts with specifications of M16-M30 to pass through the holes reserved between the frame beam and the wall panel connector, and tighten the nuts to achieve the tightening effect.
CN202010859186.1A 2020-08-25 2020-08-25 A connection structure between a prefabricated wall panel and an assembled steel frame structure beam and a construction method thereof Active CN111926949B (en)

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