CN207484749U - Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls - Google Patents

Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls Download PDF

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Publication number
CN207484749U
CN207484749U CN201721126891.0U CN201721126891U CN207484749U CN 207484749 U CN207484749 U CN 207484749U CN 201721126891 U CN201721126891 U CN 201721126891U CN 207484749 U CN207484749 U CN 207484749U
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China
Prior art keywords
built
pipe
gfrp
steel
steel pipe
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Expired - Fee Related
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CN201721126891.0U
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Chinese (zh)
Inventor
杨涛
王智
杨迪
陈万庆
成琳洁
谢元康
蒋铁军
黄宁武
廖志辉
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Guangxi University
China Railway Construction Group Southern Engineering Co Ltd
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Guangxi University
China Railway Construction Group Southern Engineering Co Ltd
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Priority to CN201721126891.0U priority Critical patent/CN207484749U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses steel pipes built in a kind of assembled and GFRP pipe regeneration concrete compound shear walls, including steel bar stress, built-in pipe and the concrete for wrapping up their composition precast wall bodies, built-in pipe includes built-in steel pipe and built-in GFRP is managed, and concrete is regeneration concrete.The utility model replaces the part steel pipe being built in shear wall with GFRP pipes, the advantages of giving full play to good pipe deformation performance and GFRP pipe high-strength lights, not only can be with the bearing capacity of enhancing structure, but also can mitigate the weight of prefabricated components.Accordingly, inventor has also set up corresponding construction method.The prefabricated industrialization production and prefabricated construction of the regeneration concrete combined shear wall construction of built-in steel pipe and GFRP pipes, the recycling of a large amount of concrete waste materials generated in being realized while construction quality regulatory level is improved to factory for prefabrication's production process can be realized using the utility model.

Description

Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls
Technical field
The utility model belongs to built in built-in shear wall framed with CFST columns technical field more particularly to a kind of assembled Steel pipe and GFRP pipe regeneration concrete compound shear walls.
Background technology
Reinforced concrete shear wall be high-rise and super-high building structure in important primary structure member, mainly undertake it is vertical and Horizontal loading.In order to improve the stress performance of reinforced concrete shear wall, placing steel tubes just form built-in steel pipe in wall Concrete shear force wall.At present, the construction process of concrete-filled steel tubular column embedded shear-wall is mainly steel pipe positioning → reinforcing bar binding → mould Plate installs → concreting → concrete curing.Although concrete-filled steel tubular column embedded shear-wall has high capacity, anti-seismic performance The advantages that good, but there is the problems such as complicated live lifting steel pipes, shear force wall reinforcing steel bar binding heavy workload, this at the construction field (site) can The plenty of time is occupied, while higher requirement is proposed to site condition and construction organization.
In recent years, China proposes the developing goal of prefabricated assembly structural industrialization, clearly proposes to the year two thousand twenty structure master Body industrialization proportion in new building reach reach within 30%~50%, 2025 year 50%~70% target.Prefabrication and assembly construction Formula structure can realize prefabricated components industrialized production, have the advantages such as the fast, reliable in quality of speed of application.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of light high-strength, convenient for production, construction is simple, replace and hold Easily and it can realize that construction waste recycles steel pipe and GFRP pipe regeneration concrete compound shear walls built in the assembled of interests.
In order to solve the above technical problems, the utility model uses following technical scheme:
Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls, including steel bar stress, built-in pipe and packet The concrete that they form precast wall body is wrapped up in, built-in pipe includes built-in steel pipe and built-in GFRP is managed, and concrete is regeneration concrete.
When precast wall body thickness is less than 500mm, precast wall body along short transverse according to 2 times of floor heights split it is prefabricated and The side setting corbel or plate support of wall;When precast wall body thickness is more than 500mm, precast wall body is along short transverse according to 1 times of floor height Split prefabricated.
Built-in outer wall of steel pipe lays Welded-Stud Conectors, and welding of peg sets GFRP shearing resistances in tube wall, built-in GFRP pipe outer walls Connector.
Built-in pipe is arranged in parallel along precast wall body width direction, steel pipe built in the arrangement of precast wall body width both ends, adjacent interior The center spacing for putting pipe is 2D-5D, and D is the outer diameter of outer diameter smaller in built-in steel pipe and built-in GFRP pipes.
Steel bar stress includes vertical reinforcement and horizontal distribution reinforcing bar, and vertical reinforcement and horizontal distribution bar spacing are not preferably greater than Steel tie is set between the reinforced mesh of 300mm, vertical reinforcement and horizontal distribution reinforcing bar composition, and steel tie distribution spacing is 100-200mm。
Built-in steel pipe, built-in GFRP pipes, longitudinal reinforcement, horizontal distribution reinforcing bar are stretched out outside precast wall body;Precast wall body is wide It spends both ends and U-shaped splicing slot is set along short transverse, be evenly arranged U-shaped tension rib in slot, the diameter of U-shaped steel tie is not less than It 12mm and stretches into the length in wall and meets anchoring requirement, the spacing of U-shaped steel tie should not exceed between horizontal distribution reinforcing bar Away from.
Regeneration concrete is process by the concrete waste material that production prefabricated components generate, and intensity is not less than C40.
For existing concrete-filled steel tubular column embedded shear-wall there are the problem of, inventor design be prepared for built in a kind of assembled Steel pipe and GFRP pipe regeneration concrete compound shear walls including steel bar stress, built-in pipe and wrap up their composition precast wall bodies Concrete, built-in pipe includes built-in steel pipe and built-in GFRP and manages, and concrete is regeneration concrete.The utility model will be built in Part steel pipe in shear wall is replaced with GFRP pipes, give full play to that pipe deformation performance is good and GFRP pipe high-strength lights it is excellent Point, not only can be with the bearing capacity of enhancing structure, but also can mitigate the weight of prefabricated components.Accordingly, inventor has also set up accordingly Construction method:Shear wall is subjected to rational section partition first, then wall body construction is segmented in factory for prefabrication A large amount of high-quality concrete waste materials that are prefabricated, being generated in process of production using factory for prefabrication, concrete waste material is returned It receives processing and is prepared into after regeneration concrete for the preparation of shear wall body component;Wall member to be sheared reaches predetermined strength Afterwards, component conveying to construction site is subjected to assembly, ultimately forms built-in steel pipe and GFRP with good integral working The combined shear wall construction of pipe.The regeneration concrete compound shear wall of built-in steel pipe and GFRP pipes can be realized using the utility model The prefabricated industrialization production and prefabricated construction of structure are realized while construction quality regulatory level is improved to factory for prefabrication The recycling of a large amount of concrete waste materials generated in production process
Compared with prior art, the utility model has the advantage that:
(1) steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls can be machined in workshop, body The advantage of industrialized building construction is showed, has reduced the program of live tubing lifting, reduced built-in steel tube shear structure and exist To the requirement of site condition in work progress, the complexity of construction organization is reduced, is conducive to the construction quality of lift structure And efficiency.
(2) since factory for prefabrication can generate a large amount of concrete waste material, above-mentioned waste material is recycled and is prepared into again Growing concrete while good economic benefits are obtained, realizes higher environmentally friendly valency, it can be achieved that the recycling of construction waste Value.
(3) it when shearing wall member by damaged or other damages, is safeguarded convenient for the replacement of component.
Description of the drawings
Fig. 1 is that steel pipe built in assembled and the combination of GFRP pipes regeneration concrete are cut when highly according to 1, high progress is prefabricated layer by layer Power wall construction schematic diagram.
Fig. 2 is the side view of shear wall in Fig. 1.
Fig. 3 is the vertical view of shear wall in Fig. 1.
Fig. 4 is shear wall A-A sectional views in Fig. 1.
Fig. 5 is shear wall B-B sectional views in Fig. 2.
Fig. 6 is that steel pipe built in assembled and the combination of GFRP pipes regeneration concrete are cut when highly according to 2, high progress is prefabricated layer by layer Power wall construction schematic diagram.
Fig. 7 is the side view of shear wall in Fig. 6.
Fig. 8 is the vertical view of shear wall in Fig. 6.
Fig. 9 is shear wall C-C sectional views in Fig. 6.
Figure 10 is shear wall D-D sectional views in Fig. 7.
Figure 11 is built-in steel pipe and GFRP pipes regeneration concrete combined shear wall member and newel post's connection diagram.
Figure 12 is E-E sectional views in Figure 11.
Figure 13 is two adjacent built-in steel pipes and the installation signal of GFRP pipe regeneration concrete compound shear wall modular levels direction Figure.
Figure 14 is F-F sectional views in Figure 13.
In figure:1 horizontal distribution reinforcing bar, 2U type tension ribs, GFRP built in 3 are managed, steel pipe built in 4,5 vertical reinforcements, and 6U types are spelled Steel tie between the reinforced mesh of access slot, 7 vertical reinforcements and horizontal distribution reinforcing bar composition, 8 plate supports or corbel, 9 structure bases Plinth, 10 pre-buried vertical reinforcements, 11 pre-buried tubing, pre-buried horizontal direction tension rib, 13 vertical joint bars, 14 ends in 12 newel posts Column, 15 precast wall bodies.
Specific embodiment
The development of steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls
First, design principle
(1) steel pipe built in can effectively improve the vertical bearing capacity of reinforced concrete shear wall structure.
(2) GFRP pipes have the characteristics that high-strength light, can mitigate dead load;But since the shearing resistance of GFRP pipes carries Ability is relatively poor, can only replace part steel pipe with GFRP pipes.
(3) prefabricated assembled shear wall can realize the industrialization of production and ensure wall construction quality;By constructing Scene is assembled, and substantially increases construction efficiency.
(4) recycling is carried out to a large amount of concrete waste materials that factory for prefabrication generates in process of production, obtained While good economic benefits, the higher value of environmental protection is obtained.
2nd, basic structure
Such as Fig. 1 to Figure 14, steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls, including steel bar stress, Built-in pipe and the concrete for wrapping up their composition precast wall bodies 15, built-in pipe include built-in steel pipe 4 and built-in GFRP pipes 3, mix Solidifying soil is regeneration concrete.
Prefabricated assembled shearing wall size is segmented according to engineering demand to be customized, and basic size should consider lifting, fortune The influence of the factors such as defeated and stress:Such as Fig. 1 to Fig. 5, when precast wall body thickness is less than 500mm, precast wall body is pressed along short transverse Plate support or corbel 8 should be set by split prefabricated and wall side according to 2 times of floor heights, preset pre- as needed on corbel or plate support Embedded part is used for the connection of wall and beam slab;Such as Fig. 6 to Figure 10, when precast wall body thickness is more than 500mm, precast wall body is along height side According to 1 times of floor height split to preferably prefabricated.
Before the lifting of steel pipe and GFRP pipes and interim positioning is carried out, built-in outer wall of steel pipe lays Welded-Stud Conectors, peg Arrangement and quantity should meet the requirement of current specifications, and welding of peg is reliable with concrete by Welded-Stud Conectors in tube wall It connects, is attached between built-in GFRP pipes by socket wrench specially adapted for it and binding agent, built-in GFRP pipe outer walls should set dedicated GFRP shear connectors.Before wall installation positioning, non-casting concrete inside steel pipe and GFRP pipes in precast shear wall component.
Built-in pipe is arranged in parallel along precast wall body width direction, in order to ensure the deformability of wall, precast wall body width Both ends can only arrange built-in steel pipe, and the center spacing of adjacent built-in pipe is 2D-5D, and D is built-in steel pipe and built-in GFRP pipes China and foreign countries The outer diameter of diameter smaller.
Steel bar stress includes vertical reinforcement 5 and horizontal distribution reinforcing bar 1, according to the difference of thickness of wall body, in wall Nei Kecai With the mode of bilayer or multilayer cloth muscle, the spacing of vertical reinforcement and horizontal distribution reinforcing bar is not preferably greater than 300mm, vertical reinforcement and water Setting steel tie steel tie 7 between the reinforced mesh of flat distribution bar composition, steel tie distribution spacing is preferably 100- 200mm。
Distinguish preset connection anchor measure on four sides of precast wall body:Built-in steel pipe, built-in GFRP pipes, longitudinal reinforcement, water Flat distribution bar should all be stretched out outside precast wall body, and the length of built-in steel pipe and built-in GFRP pipes stretching wall is not preferably less than 300mm; The length of reinforcing bar stretching precast wall body should meet the requirement of anchorage length of steel bar, and the machining shape of reinforcing bar and scale error should More than ± 10mm;Slot 6 is spliced in precast wall body width both ends along short transverse setting is U-shaped, and U-shaped tension rib 2, U is evenly arranged in slot The length that the diameter of type steel tie is not less than 12mm and stretches into wall should meet anchoring requirement, the spacing of U-shaped steel tie It should not exceed the spacing of horizontal distribution reinforcing bar.
Regeneration concrete is process by the concrete waste material that production prefabricated components generate, intensity not preferably less than C40.It is interior It puts steel pipe and preferentially uses Q345, Q390 and Q420 grades;Vertical reinforcement and horizontal distribution reinforcing bar preferentially use HRB335 and HRB400 Grade reinforcing bar.
3rd, construction method
<1>Such as Figure 13 to 14, in the horizontal direction, precast wall body is lifted to installation site, carries out Primary Location;By two panels The horizontal distribution bar connecting of steel pipe built in assembled and GFRP pipe regeneration concrete combined shear wall members (is connected using sleeve Connect, bind connection or welding), the U-shaped tension rib in the U-shaped splicing slot of adjacent two panels shear wall should be interlaced, and intersecting Arrangement is no less than the vertical joint bar 13 of 2 diameter 12mm in region;
<2>In short transverse, steel pipe built in two panels assembled and GFRP pipes regeneration concrete combined shear wall member into When luggage is with construction, the built-in steel pipe in upper and lower two panels shear wall and built-in GFRP pipes are attached positioning, steel pipe connecting first It connects and bolt can be used or be welded to connect, socket wrench specially adapted for it connection can be used in the connection of GFRP pipes, and upper and lower two tubing center lines installation misses Difference should be controlled within ± 5mm;Meanwhile the longitudinal reinforcement in upper and lower two panels shear wall should be reliably connected (can be used sleeve connection, Binding connection or welding);When precast shear wall component is located at structure bottom, the vertical reinforcement and tubing of wall joint should be with Pre-buried vertical reinforcement 10 and pre-buried tubing 11 are reliably connected on architecture basics 9;
<3>Such as Figure 11 to Figure 12, when steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls and newel post 14 During connection, stretching out the horizontal distribution reinforcing bar of wall should be reliably connected with horizontal direction tension rib 12 pre-buried in newel post;Newel post can be with Using prefabricated components, site concrete can also be used;
<4>After steel pipe, bar connecting, the supporting module at the joints such as wall and wall, wall and newel post, wall and basis And casting concrete;Afterwards pouring concrete intensity should than precast shear wall component used by recycled concrete strength improve it is one strong Grade is spent, and used concrete there should be early epistasis;
<5>It is poured inside the built-in pipe tubing of steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls mixed Solidifying soil, strength grade of concrete should than prefabricated components used by recycled concrete strength grade raising level-one;Concrete pours It builds at away from tubing top surface 300-500mm, and wharf's pavement quality should be carried out to concrete surface.
When shear wall component installation it is in place and after pouring concrete reach design strength after, in the preset corbel of wall or plate The erection of 8 enterprising cross girders plate of support;For according to the prefabricated wall body construction of 1 times of layer height, beam slab can be carried out directly at the top of wall Erection construction.

Claims (7)

1. steel pipe built in a kind of assembled and GFRP pipe regeneration concrete compound shear walls, including steel bar stress, built-in pipe and Wrap up the concrete that they form precast wall body, it is characterised in that:The built-in pipe includes built-in steel pipe and built-in GFRP is managed, and mixes Solidifying soil is regeneration concrete.
2. steel pipe built in assembled according to claim 1 and GFRP pipe regeneration concrete compound shear walls, feature exist In:When the precast wall body thickness is less than 500mm, precast wall body along short transverse according to 2 times of floor heights split it is prefabricated and The side setting corbel or plate support of wall;When the precast wall body thickness is more than 500mm, precast wall body is along short transverse according to 1 times Floor height split prefabricated.
3. steel pipe built in assembled according to claim 2 and GFRP pipe regeneration concrete compound shear walls, feature exist In:The built-in outer wall of steel pipe lays Welded-Stud Conectors, and welding of peg connects in tube wall, built-in GFRP pipe outer walls setting GFRP shearing resistances Fitting.
4. steel pipe built in assembled according to claim 3 and GFRP pipe regeneration concrete compound shear walls, feature exist In:The built-in pipe is arranged in parallel along precast wall body width direction, steel pipe built in the arrangement of precast wall body width both ends, adjacent built-in The center spacing of pipe is 2D-5D, and D is the outer diameter of outer diameter smaller in built-in steel pipe and built-in GFRP pipes.
5. steel pipe built in assembled according to claim 4 and GFRP pipe regeneration concrete compound shear walls, feature exist In:The steel bar stress includes vertical reinforcement and horizontal distribution reinforcing bar, and the spacing of vertical reinforcement and horizontal distribution reinforcing bar should not be big In 300mm, steel tie, steel tie distribution spacing are set between the reinforced mesh of vertical reinforcement and horizontal distribution reinforcing bar composition For 100-200mm.
6. steel pipe built in assembled according to claim 5 and GFRP pipe regeneration concrete compound shear walls, feature exist In:The built-in steel pipe, built-in GFRP pipes, longitudinal reinforcement, horizontal distribution reinforcing bar are stretched out outside precast wall body;The precast wall body Width both ends set U-shaped splicing slot along short transverse, are evenly arranged U-shaped tension rib in slot, the diameter of U-shaped steel tie is not less than 12mm and it is secondary enter wall in length meet anchoring requirement, the spacing of U-shaped steel tie should not exceed between horizontal distribution reinforcing bar Away from.
7. steel pipe built in assembled according to claim 6 and GFRP pipe regeneration concrete compound shear walls, feature exist In:The regeneration concrete is process by the concrete waste material that production prefabricated components generate, and intensity is not less than C40.
CN201721126891.0U 2017-09-05 2017-09-05 Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls Expired - Fee Related CN207484749U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721126891.0U CN207484749U (en) 2017-09-05 2017-09-05 Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721126891.0U CN207484749U (en) 2017-09-05 2017-09-05 Steel pipe built in assembled and GFRP pipe regeneration concrete compound shear walls

Publications (1)

Publication Number Publication Date
CN207484749U true CN207484749U (en) 2018-06-12

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Country Status (1)

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CN (1) CN207484749U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180612

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