CN102995789B - Built-in section steel column-lattice steel beam-mesh steel support concrete wall body and manufacturing method - Google Patents
Built-in section steel column-lattice steel beam-mesh steel support concrete wall body and manufacturing method Download PDFInfo
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Abstract
The invention discloses a built-in section steel column-lattice steel beam-mesh steel support concrete wall body and a manufacturing method, and belongs to the field of steel-concrete combined shear walls. The wall body comprises section steel laminated border columns, section steel core columns, lattice steel beams, mesh steel supports and a reinforced concrete shear wall body. The section steel laminated border columns are arranged at the two ends of the shear wall body. The section steel core columns are arranged in parallel between the section steel laminated border columns. The section steel laminated border columns are connected with the section steel core columns through the lattice steel beams and the mesh steel supports, and the section steel core columns are connected with one another through the lattice steel beams and the mesh steel supports. Reinforcements of the shear wall body are assembled, and concrete is poured to form the built-in section steel column-lattice steel beam-mesh steel support concrete wall body. Compared with an ordinary concrete-filled steel tube border shear wall and an ordinary steel plate shear wall, the built-in section steel column-lattice steel beam-mesh steel support concrete wall body has the advantages that the bearing capability is improved, the bearing capability and the rigidity are slowly attenuated, and the post seismic performance is stable; by a section steel column-lattice steel beam-mesh steel support steel structure skeleton, the ductility and energy consumption performance of the shear wall are greatly improved, and the seismic performance is high; and a steel structure is convenient to construct, and can be used for the seismic design of a large-sized complex high-rise buildings.
Description
Technical field
The present invention is a kind of built-in steel column-lattice girder steel-net-shaped steel support concrete wall and the practice, belongs to a kind of and consumes Seismic input structural energy, the Novel steel-combined concrete shear wall improving structural seismic performance and preparation method thereof.
Background technology
Shear wall structure is large due to lateral deformation stiffness, effectively can reduce sidesway, have certain ductility, to become a kind of system of extensive use in modern high-rise building gradually.Shear wall rigidity is large, and intensity is high, effectively can reduce sidesway, under frequently occurred earthquake, generally can meet shockproof requirements well.But when large shake, because earthquake acceleration peak value is large, the seismic energy of input is large, just requires that shear wall has good energy dissipation capacity, has good ductility.
The appearance of steel-concrete compound shear wall not only well meets above-mentioned requirements, and effectively can overcome reinforced concrete shear wall from the shortcoming such as great, bight concrete is easy to crack, frangible, increase the side direction bending rigidity of shear wall in addition, become a kind of high-rise Lateral Resistant System very with development prospect.But, general steel-concrete compound shear wall, concrete parts cracking comparatively early, after the stressed chipping destruction of concrete, the vertical bearing capacity of full wafer body of wall can significantly reduce, also accelerate the destruction in other defence lines, power consumption and the ductility of total also decrease simultaneously, cause the anti-seismic performance of shear wall structure to weaken and reduce.
Summary of the invention
For solving the problem of shear wall bearing capacity, ductility, power consumption deficiency under geological process, the invention provides a kind of many components, multi-level dispersion consumes Seismic input structural energy, improve the Novel steel-combined concrete shear wall of structural seismic performance, is mainly used in shear wall structure or the tubular construction of highrise building or large complicated multistory building.
Technical scheme is as follows:
Built-in steel column-lattice girder steel-net-shaped steel support concrete wall, comprises shaped steel folding frame post 1, shaped steel stem stem 2, lattice girder steel 3, net-shaped steel support 4 and reinforced concrete shear wall body; Assembled wall cross section is yi word pattern, and " steel column-lattice girder steel-net-shaped steel support " steel structure is built in reinforced concrete shear wall body.
Just connect between shaped steel folding frame post 1, shaped steel stem stem 2, lattice girder steel 3 and net-shaped steel support 4 in described " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton system, described just connecing comprises welding.
Described lattice girder steel 3 can be plane frame, also can be space truss; Employing steel make, and its intensity is not more than the steel strength of shaped steel folding frame post 1 and shaped steel stem stem 2; Along being highly arranged in parallel between shaped steel folding frame post 1 and shaped steel stem stem 2 and between shaped steel stem stem 2; Lattice girder steel 3 is implemented to weld with in shaped steel folding frame post 1, shaped steel stem stem 2 meld line; Its rise-span ratio is more than or equal to 1.
Described net-shaped steel support 4 adopts steel to make, arrange along reinforced concrete shear wall height and lattice girder steel 3 interval, in net-shaped steel support 4, the angle of inclination of steel is between 45 degree to 60 degree, and is rigidly connected between shaped steel folding frame post 1 and shaped steel stem stem 2, and described being rigidly connected comprises welding.
Vertical muscle and stirrup then steel-mixed coupled column of being formed of disturbing concrete joined by described shaped steel folding frame post 1 for steel column periphery adds; The cross section of described shaped steel folding frame post 1 is I-shaped, the multiple section form such as cross, duplexing font, and in reinforced concrete shear wall body thickness direction, size is less than wall thickness.
Described shaped steel stem stem 2 cross section is the various ways such as I-shaped, duplexing font; Shaped steel stem stem 2 is less than wall thickness in the size in reinforced concrete shear wall body thickness direction.
The horizontal distribution reinforcing bar 5 of described reinforced concrete shear wall body inserts shaped steel folding frame post 1; Vertical distribution reinforcement 6 top and bottom are stretched into respectively in upper side frame beam 9 and lower frame beam or grade beam 8 and are rigidly connected.
The reinforced mesh drawknot that the horizontal distribution reinforcing bar 5 of wallboard both sides and vertical distribution reinforcement 6 form by the space that the steel tie 7 in described reinforced concrete shear wall body supports 4 through lattice girder steel 3 or net-shaped steel.
Described upper side frame beam 9 and lower frame beam or grade beam 8 are reinforced concrete beam, or are girder with rolled steel section en cased in concrete, and cross section is rectangle, concrete cast in situs.
The production order of structure of the present invention is as follows:
1) shaped steel folding frame post 1 and shaped steel stem stem 2 is made;
2) reinforcing bar of the vertical distribution reinforcement 6 of colligation shear wall, lower frame beam or grade beam 8, and shaped steel folding frame post 1, shaped steel stem stem 2, the vertical distribution reinforcement 6 of shear wall are inserted in the reinforcing cage of lower frame beam or grade beam 8, the concrete of cast lower frame beam or grade beam 8, after concrete curing consolidation, lower frame beam or grade beam 8 is made to realize being rigidly connected with the bottom of shaped steel folding frame post 1, shaped steel stem stem 2, the vertical distribution reinforcement 6 of shear wall;
3) lattice girder steel 3 and net-shaped steel support 4 is made, and and be rigidly connected between shaped steel folding frame post 1 and shaped steel stem stem 2, welding can be adopted to realize;
4) reinforced mesh be made up of horizontal distribution reinforcing bar 5 and vertical distribution reinforcement 6 is arranged in the both sides of " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton, and supports 4 spaces by the reinforced mesh drawknot of both sides with steel tie 7 through lattice girder steel 3 or net-shaped steel;
5) make upper side frame beam 9, itself and the vertical distribution reinforcement 6 of shaped steel folding frame post 1, shaped steel stem stem 2 and wallboard are reliably rigidly connected;
6) reserve thickness of concrete cover in shear wall wallboard both sides by spacer, prop up the template of concreting afterwards;
7) build the concrete of shaped steel folding frame post 1, shear wall wallboard, upper side frame beam 9, after shaping, namely form built-in steel column-lattice girder steel-net-shaped steel support concrete wall.
The present invention is by different stress system---the combination of " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton system and reinforced concrete shear wall body, the combination of different materials---Steel concrete, the combination of different component forms---lattice and steel flanged beam is a kind of " triple advantageous combination shear wall ".While giving full play to reinforced concrete wall panel shock resistance, also the energy dissipation effect of " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton is taken full advantage of, the employing of lattice steel beam column not only saves steel but also alleviate shear wall quality, the also corresponding reduction of input shear wall seismic forces.Have with lower stress and functional characteristics: the built-in net-shaped steel support of the present invention can delay the appearance of concrete wall inclined crack effectively, be conducive to improving the shear-carrying capacity of concrete wall plate portion as antidetonation the first line of defence, ductility and energy dissipation capacity, also a part of pressure shear wall can born is transferred in shaped steel folding frame post and shaped steel stem stem, is conducive to the load distribution again that both shear wall and pillar bear; The existence of shaped steel folding frame post and shaped steel stem stem, decreases the ratio of axial compressive force to axial compressive ultimate capacity of section of shear wall, and it is thinner that shear wall can design, and increases building usable floor area; First net-shaped steel support is surrendered when steel structure skeleton system plays a role as second defence line, is ensured the monolithic stability of shear wall skeleton by distortion power consumption; Afterwards, lattice girder steel also absorbs seismic energy in succession, and yield deformation power consumption, protects shaped steel folding frame post and shaped steel stem stem has stable vertical bearing capacity, also ensure that ductile deformation's energy dissipation capacity of integral shear wall.Therefore, this is again a kind of " two level surrender protection shear wall ".The support of shaped steel folding frame post, shaped steel stem stem, lattice girder steel and net-shaped steel forms " steel column-lattice girder steel-net-shaped steel supports " steel structure skeleton, it is a kind of multiple indeterminate multiple-unit power consumption steel frame system, greatly can improve the elasticity initial stiffness of assembled wall, in turn ensure that assembled wall has good later stage stabilizing power, anti-seismic performance significantly improves.After the both sides reinforced concrete enveloped wallboard of " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton system, effectively constrain lattice girder steel, net-shaped steel to support and the flat out-of-plane buckling of steel column steel plate after reinforced concrete wall panel, make steel plate can effectively by the energy resisting Seismic input structure that works in plane within the longer period; The steel tie that diagonal brace space between lattice girder steel or lattice girder steel space are passed is by the reinforced mesh drawknot of concrete wall both sides, both sides concrete panel and " steel column-lattice girder steel-net-shaped steel supports " the steel structure skeleton be clipped in the middle are combined into an entirety, co-operation, has complementary advantages.
Built-in steel column of the present invention-lattice girder steel-net-shaped steel support concrete wall has twice anti-vibration defense lines under geological process.When seismic energy input, reinforced concrete wall panel starts to play a role as first anti-vibration defense lines, " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton has delayed the appearance in concrete wall crack, improves concrete wall plate portion as the bearing capacity of antidetonation the first line of defence and energy dissipation capacity.Along with the increase of input seismic energy, concrete wall ftractures, and the first line of defence collapses, and now " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton starts to play a role as the second defence line of antidetonation.The trussed construction of " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton of body of wall inside and upper and lower frame beam, formation is a geometrically stable system, thus the resistance to overturning of holding structure.Net-shaped steel support between lattice girder steel and lattice girder steel is consumed energy by plane internal deformation, slows down supporting capacity and the Stiffness of pillar and shear wall frame, thus ensure that the strong of second anti-vibration defense lines, improve the anti-seismic performance of shear wall.Compared with common steel plate shear force wall, elasticity initial stiffness, supporting capacity and ductility are all improved, and bearing capacity and stiffness decay is slack-off, and later stage anti-seismic performance is relatively stable.
The shock resistance of the core lateral resisting parts shear wall of building structure is improved, also just improve the shock resistance of structural entity, when building meets with violent earthquake, its earthquake can be alleviated, prevent it from collapsing, can be used in the seismic design of large complicated highrise building.
Accompanying drawing explanation
Fig. 1 is that built-in steel column-lattice girder steel-net-shaped steel support concrete wall joins steel and arrangement of reinforcement
Fig. 2 is shear wall elevational schematic view
Fig. 3 is shear wall body horizontal sectional drawing
In figure: 1-shaped steel folding frame post, 2-shaped steel stem stem, 3-lattice girder steel, 4-net-shaped steel supports, 5-horizontal distribution reinforcing bar, the vertical distribution reinforcement of 6-, 7-steel tie, 8-lower frame beam or grade beam, 9-upper side frame beam.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described:
The structural representation of built-in steel column-lattice girder steel-net-shaped steel support concrete wall element of construction as shown in Figure 1, Figure 2 and Figure 3.
Built-in steel column-lattice girder steel-net-shaped steel support concrete wall, production order is as follows:
1) shaped steel folding frame post 1 and shaped steel stem stem 2 is made;
2) reinforcing bar of the vertical distribution reinforcement 6 of colligation shear wall, lower frame beam or grade beam 8, and shaped steel folding frame post 1, shaped steel stem stem 2, the vertical distribution reinforcement 6 of shear wall are inserted in the reinforcing cage of lower frame beam or grade beam 8, the concrete of cast lower frame beam or grade beam 8, after concrete curing consolidation, lower frame beam or grade beam 8 is made to realize being rigidly connected with the bottom of shaped steel folding frame post 1, shaped steel stem stem 2, the vertical distribution reinforcement 6 of shear wall;
3) lattice girder steel 3 and net-shaped steel support 4 is made, and and be rigidly connected between shaped steel folding frame post 1 and shaped steel stem stem 2, welding can be adopted to realize;
4) reinforced mesh be made up of horizontal distribution reinforcing bar 5 and vertical distribution reinforcement 6 is arranged in the both sides of " steel column-lattice girder steel-net-shaped steel support " steel structure skeleton, and supports 4 spaces by the reinforced mesh drawknot of both sides with steel tie 7 through lattice girder steel 3 or net-shaped steel;
5) make upper side frame beam 9, itself and the vertical distribution reinforcement 6 of shaped steel folding frame post 1, shaped steel stem stem 2 and wallboard are reliably rigidly connected;
6) reserve thickness of concrete cover in shear wall wallboard both sides by spacer, prop up the template of concreting afterwards;
7) build the concrete of shaped steel folding frame post 1, shear wall wallboard, upper side frame beam 9, after shaping, namely form built-in steel column-lattice girder steel-net-shaped steel support concrete wall.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Claims (10)
1. built-in steel column-lattice girder steel-net-shaped steel support concrete wall, comprises shaped steel folding frame post (1), shaped steel stem stem (2), lattice girder steel (3), net-shaped steel support (4) and reinforced concrete shear wall body; It is characterized in that: assembled wall cross section is yi word pattern, steel column-lattice girder steel-net-shaped steel support steel structure is built in reinforced concrete shear wall body; At reinforced concrete shear wall body two ends, shaped steel folding frame post (1) is set; The upper and lower end of shaped steel folding frame post (1) arranges upper side frame beam (9) and lower frame beam or grade beam (8); At shear wall interior parallel, some shaped steel stem stems (2) are set in the direction of shaped steel folding frame post (1); Connect with lattice girder steel (3) between shaped steel superposed column (1) and shaped steel stem stem (2) and between various steel core post (2); Net-shaped steel support (4) along reinforced concrete shear wall body wall height direction is configured between adjacent lattice girder steel (3); Shaped steel folding frame post (1), shaped steel stem stem (2), lattice girder steel (3) and net-shaped steel support (4) form steel column-lattice girder steel-net-shaped steel support steel structure skeleton system; The bilateral symmetry of steel column-lattice girder steel-net-shaped steel support steel structure skeleton system arranges the reinforced mesh be made up of horizontal distribution reinforcing bar (5) and vertical distribution reinforcement (6), and gets up with the reinforced mesh drawknot of steel tie (7) by both sides; Shaped steel folding frame post (1), upper side frame beam (9), lower frame beam or grade beam (8) and reinforced concrete shear wall body disturbing concrete are shaped, namely form built-in steel column-lattice girder steel-net-shaped steel support concrete wall.
2. require described built-in steel column-lattice girder steel-net-shaped steel support concrete wall according to right 1, it is characterized in that: just connecing between shaped steel folding frame post (1), shaped steel stem stem (2), lattice girder steel (3) and net-shaped steel support (4) in described steel column-lattice girder steel-net-shaped steel support steel structure skeleton system, described just connecing comprises welding.
3. require described built-in steel column-lattice girder steel-net-shaped steel support concrete wall according to right 1, it is characterized in that: described lattice girder steel (3) can be plane frame, also can be space truss; Employing steel make, and its intensity is not more than the steel strength of shaped steel folding frame post (1) and shaped steel stem stem (2); Along being highly arranged in parallel between shaped steel folding frame post (1) and shaped steel stem stem (2) and between shaped steel stem stem (2); Lattice girder steel (3) is implemented to weld with in shaped steel folding frame post (1), shaped steel stem stem (2) meld line; Its rise-span ratio is more than or equal to 1.
4. require described built-in steel column-lattice girder steel-net-shaped steel support concrete wall according to right 1, it is characterized in that: described net-shaped steel support (4) adopts steel to make, arrange along reinforced concrete shear wall height and lattice girder steel (3) interval, in net-shaped steel support (4), the angle of inclination of steel is between 45 degree to 60 degree, and be rigidly connected between shaped steel folding frame post (1) and shaped steel stem stem (2), described being rigidly connected comprises welding.
5. require described built-in steel column-lattice girder steel-net-shaped steel support concrete wall according to right 1, it is characterized in that: described shaped steel folding frame post (1) joins vertical muscle and stirrup then steel-mixed coupled column of being formed of disturbing concrete for steel column periphery adds; The cross section of described shaped steel folding frame post (1) is I-shaped, cross, duplexing font multiple section form, and in reinforced concrete shear wall body thickness direction, size is less than wall thickness.
6. built-in steel column according to claim 1-lattice girder steel-net-shaped steel support concrete wall, is characterized in that: described shaped steel stem stem (2) cross section is I-shaped, duplexing font various ways; Shaped steel stem stem (2) is less than wall thickness in the size in reinforced concrete shear wall body thickness direction.
7. require described built-in steel column-lattice girder steel-net-shaped steel support concrete wall according to right 1, it is characterized in that: the horizontal distribution reinforcing bar (5) of described reinforced concrete shear wall body inserts shaped steel folding frame post (1); Vertical distribution reinforcement (6) top and bottom are stretched into respectively in upper side frame beam (9) and lower frame beam or grade beam (8) and are rigidly connected.
8. require described built-in steel column-lattice girder steel-net-shaped steel support concrete wall according to right 1, it is characterized in that: the reinforced mesh drawknot that the horizontal distribution reinforcing bar (5) of wallboard both sides and vertical distribution reinforcement (6) form by the space that the steel tie (7) in described reinforced concrete shear wall body supports (4) through lattice girder steel (3) or net-shaped steel.
9. require described built-in steel column-lattice girder steel-net-shaped steel support concrete wall according to right 1, it is characterized in that: described upper side frame beam (9) and lower frame beam or grade beam (8) are for reinforced concrete beam or be girder with rolled steel section en cased in concrete, cross section is rectangle, concrete cast in situs.
10. the way of the built-in steel column according to claim 1 to claim 9 any one claim-lattice girder steel-net-shaped steel support concrete wall, is characterized in that: production order is as follows:
1) shaped steel folding frame post (1) and shaped steel stem stem (2) is made;
2) reinforcing bar of the vertical distribution reinforcement of colligation shear wall (6), lower frame beam or grade beam (8), and shaped steel folding frame post (1), shaped steel stem stem (2), the vertical distribution reinforcement of shear wall (6) are inserted in the reinforcing cage of lower frame beam or grade beam (8), the concrete of cast lower frame beam or grade beam (8), after concrete curing consolidation, lower frame beam or grade beam (8) is made to realize being rigidly connected with the bottom of shaped steel folding frame post (1), shaped steel stem stem (2), the vertical distribution reinforcement of shear wall (6);
3) lattice girder steel (3) and net-shaped steel support (4) is made, and and be rigidly connected between shaped steel folding frame post (1) and shaped steel stem stem (2), welding can be adopted to realize;
4) reinforced mesh be made up of horizontal distribution reinforcing bar (5) and vertical distribution reinforcement (6) is arranged in the both sides of steel column-lattice girder steel-net-shaped steel support steel structure skeleton, and is got up by the reinforced mesh drawknot of both sides through lattice girder steel (3) or net-shaped steel support (4) space with steel tie (7);
5) make upper side frame beam (9), itself and shaped steel folding frame post (1), shaped steel stem stem (2) and the vertical distribution reinforcement of wallboard (6) are reliably rigidly connected;
6) reserve thickness of concrete cover in shear wall wallboard both sides by spacer, prop up the template of concreting afterwards;
7) build the concrete of shaped steel folding frame post (1), shear wall wallboard, upper side frame beam (9), after shaping, namely form built-in steel column-lattice girder steel-net-shaped steel support concrete wall.
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| CN103726582B (en) * | 2013-12-19 | 2016-08-17 | 清华大学 | A kind of curvature-prevention support component in the double quarter bend cross section of separate type |
| CN103883030A (en) * | 2014-03-21 | 2014-06-25 | 北京工业大学 | Shear wall formed by embedding energy-dissipation bars between frame and steel plate with inbuilt cross ribs and construction method |
| CN105089178B (en) * | 2015-07-21 | 2017-07-07 | 重庆欧冠钢结构有限公司 | A kind of pre-splicing Standard formula building of prefabricated steel reinforced concrete shear walls |
| CN106088362A (en) * | 2016-08-04 | 2016-11-09 | 姚攀峰 | Structural elements and construction method thereof is protected outside a kind of steel construction |
| CN107035199A (en) * | 2017-05-08 | 2017-08-11 | 姚攀峰 | A kind of triple Aseismic Structure Systems of preprocessing and its construction method |
| CN108868180B (en) * | 2017-05-10 | 2022-06-14 | 盐城工学院 | TRC thin plate beam side reinforcing method adopting layer-by-layer retreating lapping |
| CN108505646B (en) * | 2018-04-20 | 2019-07-09 | 武汉科技大学 | A kind of encased steel plate Shear wall tube structure test loading beam design device |
| CN109653403A (en) * | 2019-01-15 | 2019-04-19 | 中国五冶集团有限公司 | Column plate concrete combined type shear wall and its construction method |
| CN112878546A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Oblique-return truss stiffening double-steel-plate combined shear structure of fabricated steel structure building |
| CN111335509A (en) * | 2020-03-09 | 2020-06-26 | 广州大学 | Steel pipe concrete column combined shear wall and construction method |
| CN116480044B (en) * | 2023-06-26 | 2023-11-10 | 北京工业大学 | Form removal-free steel bar truss single steel plate-concrete combined shear wall |
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| KR20090058919A (en) * | 2007-12-05 | 2009-06-10 | 동부건설 주식회사 | Reinforced concrete structure |
| CN101761154B (en) * | 2009-12-30 | 2011-08-10 | 北京工业大学 | Shear wall with inbuilt continuous-row steel tube concrete core column and soft steel energy consumption bond and manufacturing method thereof |
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