CN107217787B - Built-in profiled sheet groove structure's assembled even roof beam - Google Patents
Built-in profiled sheet groove structure's assembled even roof beam Download PDFInfo
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- CN107217787B CN107217787B CN201710351715.5A CN201710351715A CN107217787B CN 107217787 B CN107217787 B CN 107217787B CN 201710351715 A CN201710351715 A CN 201710351715A CN 107217787 B CN107217787 B CN 107217787B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
- E04C3/22—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members built-up by elements jointed in line
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Abstract
The invention discloses an assembled coupling beam with a built-in profiled steel sheet groove structure, and belongs to the technical field of assembled concrete structures. The connecting beam is composed of connecting beam longitudinal ribs, connecting beam stirrups, connecting beam concrete, corrugated steel plates, profiled steel plate connecting rods and studs. According to the invention, the profiled steel plates with the studs are arranged at the two ends of the prefabricated concrete connecting beam component to serve as the inner templates, so that groove structures are formed at the two ends of the prefabricated connecting beam, the parts surrounded by the beam pits and the grooves are cast in situ, a split and assembly system which is simpler and more convenient and easier to construct is formed at the beam ends, the on-site template engineering quantity can be reduced, and the construction difficulty is reduced. Arrange the peg on profiled sheet and can guarantee profiled sheet and concrete collaborative work, realize linking the strong connection of roof beam and shear force wallboard through profiled sheet and connecting piece, exert wide even roof beam advantage simultaneously, reduce high span ratio when guaranteeing even roof beam bending stiffness, further improve structural integrity and power consumption ability.
Description
Technical Field
The invention belongs to the technical field of prefabricated concrete structures, and particularly relates to a prefabricated connecting beam with a built-in profiled steel sheet groove structure.
Background
The connecting beam is an important component in a building structure, and the shear wall connects all wall limbs together through the connecting beam so as to lead the wall limbs to be harmoniously deformed and form an integral lateral force resisting structure. In the assembled concrete shear wall structure, because the connecting beam is mainly built by a full cast-in-place construction method, or the connecting beam is built by a method of lapping a full prefabricated connecting beam on a reserved beam pit of the shear wall body and then performing cast-in-place, when the full cast-in-place construction method is adopted, the on-site concrete wet operation amount is large; the workload of formwork supporting and formwork removing is large during the construction of the multi-connecting beam or connecting beam structure, the building quality is not easy to guarantee, the construction period is long, and the energy conservation and emission reduction are not facilitated; when the method that the fully-prefabricated connecting beam is lapped on the reserved beam nest of the shear wall body and then cast in place is adopted, the connecting beam and the reinforcing steel bars of the reserved beam nest of the shear wall body are easy to collide at the connecting position when the connecting beam is installed because the cross section of the shear wall body is small and the number of the reinforcing steel bars is large. The transmission of load by the structure may be affected due to the presence of the construction joints.
In order to solve the problem of insufficient shear-compression ratio of the connecting beam which is easy to occur in the design of the shear wall structure, domestic and foreign scholars propose a multi-connecting-beam and connecting-beam shear wall structure. Research shows that the multi-connecting beam and the connecting beam can effectively increase the shear area and span height ratio of the connecting beam and obviously improve the seismic performance of the structure.
Disclosure of Invention
The invention aims to provide an assembled connecting beam with a built-in profiled steel sheet groove structure aiming at the problems in the prior art, the profiled steel sheet is arranged at the beam end to form a groove structure so as to ensure strong connection between the connecting beam and a shear wall plate; the width of the connecting beam is increased, the corrugated steel plate is arranged, the structural requirement is met, the connecting beam shearing area is effectively increased while the installation is facilitated, the shearing resistance and energy consumption capacity of the corrugated steel plate are fully exerted, the problems that the connecting beam is insufficient in shearing resistance bearing capacity, poor in ductility and the like are solved, the on-site template engineering quantity is reduced, and the construction of single and multiple connecting beam structures is facilitated.
The technical scheme of the invention is as follows:
the assembly type connecting beam is internally provided with a profiled steel sheet groove structure, and the connecting beam and a shear wall body form an assembly type concrete shear wall structure; profiled steel plates are arranged at two ends of the connecting beam, and corrugated steel plates are welded between the two profiled steel plates;
the outer walls of the two profiled steel plates are provided with longitudinal ribs;
a plurality of stirrups are sleeved on the outer side of the longitudinal bar corresponding to the corrugated steel plate sections.
The profiled steel sheet is of a U-shaped structure, and a plurality of grooves are formed in the side wall of the U-shaped structure; and a plurality of studs are arranged on two sides of the groove and are connected with the longitudinal ribs in a positioning manner.
And the groove on the profiled steel sheet is fixedly connected with the beam nest on the shear wall body in a clamping manner and is fixed by pouring concrete.
And connecting rods are welded between the grooves on the two side walls of the profiled steel sheet.
The invention has the following effects:
compared with the prior art, the invention forms a novel reasonable splitting and assembling system between the shear wall plate and the connecting beam of the prefabricated concrete connecting beam by changing the beam end connecting form of the prefabricated concrete connecting beam prefabricated part: the built-in profiled steel sheet in precast coupling beam both ends forms effectual cuff effect to precast shear wall board edge hidden post, and the stud in the profiled steel sheet outside then can guarantee cast in situ concrete and prefabricated component collaborative work. The system has clear integral force transfer, reasonable splitting position and simple field installation and operation, and the groove structures at the two ends of the prefabricated connecting beam are used for replacing the traditional templates, thereby reducing the field template engineering quantity; the width of the connecting beam is increased, the installation and construction are facilitated, the problem that the shearing ratio of the connecting beam is not enough is solved, and the structure has better anti-seismic energy dissipation capability. The corrugated steel plates arranged at the midspan positions of the prefabricated connecting beams can improve the shearing resistance and bearing capacity of the connecting beams and improve the energy consumption capacity and the ultimate deformation capacity of the prefabricated parts.
Drawings
Fig. 1 is a three-dimensional view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic view of the coupling beam structure of the present invention.
FIG. 4 is a schematic view of the shear wall panel internal reinforcement of the present invention.
Fig. 5 is a schematic diagram of embodiment 1 of the present invention.
Fig. 6 is a schematic diagram of embodiment 2 of the present invention.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail by combining the accompanying drawings 1-6 and the embodiment.
The assembly type connecting beam is internally provided with a profiled steel sheet groove structure, and the connecting beam and a shear wall body form an assembly type concrete shear wall structure; the two ends of the connecting beam are provided with profiled steel plates 1, and a corrugated steel plate 2 is welded between the two profiled steel plates 1;
the outer walls of the two profiled steel sheets 1 are provided with longitudinal ribs 5;
a plurality of stirrups 6 are sleeved on the outer side of the longitudinal bar 5 corresponding to the sections of the corrugated steel plate 2.
The profiled steel sheet 1 is of a U-shaped structure, and a plurality of grooves are formed in the side wall of the U-shaped structure; still be equipped with a plurality of pegs 3, a plurality of pegs 3 are arranged in the recess both sides, and pegs 3 are connected with indulging muscle 5 location.
And the groove on the profiled steel sheet 1 is fixedly connected with the beam nest on the shear wall body in a clamping manner and is fixed by pouring concrete.
And connecting rods 4 are welded between the grooves on the two side walls of the profiled steel sheet 1.
The shear wall body is internally provided with edge embedded columns 10, vertical ribs 9 and horizontal stirrups 8;
the groove of the profiled steel sheet 1 of the connecting beam is sleeved on the edge embedded column 10, the vertical rib 9 and the horizontal stirrup 8;
and then pouring concrete 11 into the connecting beam to realize the connection with the wall body of the shear wall into an integral structure.
Examples
An assembled connecting beam with a built-in profiled steel sheet groove structure comprises a prefabricated shear wall plate and a prefabricated connecting beam. The prefabricated coupling beam comprises coupling beam longitudinal ribs 5, coupling beam stirrups 6, profiled steel plates 1, profiled steel plate connecting rods 4, studs 3 and corrugated steel plates 2 besides concrete.
The length of the profiled steel sheet is not less than the minimum anchoring length of the stressed longitudinal bar of the connecting beam. According to the thickness (the interval of the constructional steel bars) of the shear wall, the interval of the double-layer profiled steel plates is determined, the interval of the double-layer profiled steel plates is larger than the interval of the constructional steel bars of the shear wall plate, the double-layer profiled steel plates are fixedly welded and supported by the connecting rods, and the studs are welded on one side, close to the surface of the beam, according to the constructional requirements. The hoop formed by the profiled steel sheet on the embedded columns at the edges of the shear wall boards can effectively ensure the transmission of horizontal force. The U-shaped steel plates at the two ends of the corrugated steel plate are firmly welded with the double-layer profiled steel plate, so that the corrugated steel plate can fully exert the energy consumption function under the load action. The width of the corrugated steel plate should not affect the binding of the stirrups. When the connecting beam is prefabricated, concrete is not poured in a closed space formed between the double-layer profiled steel plates and the outer template of the connecting beam component, and after the prefabrication is finished, the two beam ends are in a concave structure when being overlooked.
1. When being used for single even roof beam assembled concrete shear wall structure, will prefabricate even roof beam from top to bottom, place roof beam nest department, the vertical muscle 9 of shear force wallboard structure of roof beam nest department should pass "groove structure", with post-cast concrete, profiled steel sheet 1 and connecting rod 4 collaborative work, and satisfy the anchor length when the upper strata is under construction. After the connecting beam is installed, the assembled floor slab can be directly installed, and the floor slab is poured in place, so that the workload of the template is saved, and the waste caused by pouring and maintaining the connecting beam and the floor slab in times is avoided.
2. When being used for many even roof beam assembled concrete shear force wall structure, will prefabricate even roof beam A, even roof beam B from top to bottom in proper order, place roof beam nest department, the vertical muscle 9 of shear force wallboard structure of roof beam nest department should pass "groove structure", with post-cast concrete, profiled steel sheet 1 and connecting rod 4 collaborative work, and satisfy the anchor length when the upper strata is under construction. After the connecting beams are installed, the assembled floor slabs can be directly installed, the floor slabs are poured in place, the workload of the template is saved, the waste caused by pouring and maintaining the connecting beams and the floor slabs in multiple times is avoided, and the defects that the traditional multi-connecting-beam cast-in-place construction maintenance cycle is long and the templates between the connecting beams are difficult to remove are overcome.
Claims (3)
1. The assembly type connecting beam is internally provided with a profiled steel sheet groove structure, and the connecting beam and a shear wall body form an assembly type concrete shear wall structure; the method is characterized in that:
profiled steel plates are arranged at two ends of the connecting beam, and corrugated steel plates are welded between the two profiled steel plates;
the outer walls of the two profiled steel plates are provided with longitudinal ribs;
a plurality of stirrups are sleeved on the outer sides of the longitudinal ribs corresponding to the corrugated steel plate sections;
the profiled steel sheet is of a U-shaped structure, and a plurality of grooves are formed in the side wall of the U-shaped structure; the plurality of studs are arranged on two sides of the groove and are connected with the longitudinal ribs in a positioning manner; the corrugated steel plate is welded on the top side surface of the U-shaped structure.
2. The coupling beam according to claim 1,
the groove of the profiled steel sheet is fixedly connected with the beam nest on the shear wall body in a clamping manner and is fixed by pouring concrete.
3. The coupling beam according to claim 1,
the shear wall body is internally provided with edge embedded columns, vertical ribs and horizontal stirrups;
the groove of the profiled steel sheet of the connecting beam is sleeved on the edge hidden column, the vertical rib and the horizontal stirrup;
and then pouring concrete into the connecting beam to realize the connection with the shear wall body into an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710351715.5A CN107217787B (en) | 2017-05-18 | 2017-05-18 | Built-in profiled sheet groove structure's assembled even roof beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710351715.5A CN107217787B (en) | 2017-05-18 | 2017-05-18 | Built-in profiled sheet groove structure's assembled even roof beam |
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| CN107217787A CN107217787A (en) | 2017-09-29 |
| CN107217787B true CN107217787B (en) | 2020-06-19 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524234B (en) * | 2017-09-30 | 2022-11-22 | 湖南省第一工程有限公司 | Connecting beam splitting structure of steel plate concrete shear wall and manufacturing method |
| CN107762001A (en) * | 2017-11-07 | 2018-03-06 | 姚伟华 | A kind of assembly concrete variable cross-section newel post type shearing wall member and its construction method |
| CN108360689A (en) * | 2018-02-10 | 2018-08-03 | 南通联泷建筑材料有限公司 | A kind of connection structure of wallboard and coupling beam |
| CN109296117B (en) * | 2018-09-10 | 2023-07-28 | 深圳市建艺装饰集团股份有限公司 | Composite hollow inner template light partition wall and construction method |
| CN109898699B (en) * | 2019-03-22 | 2024-01-30 | 中南大学 | Assembled corrugated steel plate shear wall structure and construction method thereof |
| CN114687598B (en) * | 2022-03-19 | 2024-04-12 | 北京工业大学 | Assembled ecological inner wall and groove-shaped foundation beam self-tapping screw block connection structure and construction method |
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| CN2595904Y (en) * | 2003-01-02 | 2003-12-31 | 浙江杭萧钢构股份有限公司 | Self bearing type steel skeleton concrete combined beam |
| KR101036088B1 (en) * | 2010-07-28 | 2011-05-19 | 경희대학교 산학협력단 | Horizontal member |
| CN105672519A (en) * | 2016-03-25 | 2016-06-15 | 中冶建筑研究总院有限公司 | Replaceable shearing type corrugated web energy dissipation connection beam |
| CN206784727U (en) * | 2017-05-18 | 2017-12-22 | 沈阳建筑大学 | A kind of wide coupling beam of assembled groove structure of the built-in corrugated steel plate of span centre |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202466852U (en) * | 2012-03-28 | 2012-10-03 | 顾裕宏 | Connection node of mobile assembled house |
| CN103615069A (en) * | 2013-12-02 | 2014-03-05 | 广西科技大学 | Trussed steel rib concrete coupling beam |
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2017
- 2017-05-18 CN CN201710351715.5A patent/CN107217787B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2595904Y (en) * | 2003-01-02 | 2003-12-31 | 浙江杭萧钢构股份有限公司 | Self bearing type steel skeleton concrete combined beam |
| KR101036088B1 (en) * | 2010-07-28 | 2011-05-19 | 경희대학교 산학협력단 | Horizontal member |
| CN105672519A (en) * | 2016-03-25 | 2016-06-15 | 中冶建筑研究总院有限公司 | Replaceable shearing type corrugated web energy dissipation connection beam |
| CN206784727U (en) * | 2017-05-18 | 2017-12-22 | 沈阳建筑大学 | A kind of wide coupling beam of assembled groove structure of the built-in corrugated steel plate of span centre |
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| CN107217787A (en) | 2017-09-29 |
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Effective date of registration: 20210818 Address after: No.13, 3rd floor, building 1, No.1, Tidu street, Qingyang District, Chengdu, Sichuan 610000 Patentee after: Chengdu yishenrui Technology Co.,Ltd. Address before: 110168 No. 9 Hunnan East Road, Hunnan District, Shenyang City, Liaoning Province Patentee before: SHENYANG JIANZHU University |
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Effective date of registration: 20220129 Address after: 342300 luoao industrial district, Yudu Industrial Park, Yudu County, Ganzhou City, Jiangxi Province Patentee after: Hangxiao steel structure (Yudu) Co.,Ltd. Address before: No.13, 3rd floor, building 1, No.1, Tidu street, Qingyang District, Chengdu, Sichuan 610000 Patentee before: Chengdu yishenrui Technology Co.,Ltd. |