CN1804264A - Profiled short-pier shear wall with rung steel bar support - Google Patents
Profiled short-pier shear wall with rung steel bar support Download PDFInfo
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- CN1804264A CN1804264A CN 200610001064 CN200610001064A CN1804264A CN 1804264 A CN1804264 A CN 1804264A CN 200610001064 CN200610001064 CN 200610001064 CN 200610001064 A CN200610001064 A CN 200610001064A CN 1804264 A CN1804264 A CN 1804264A
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Abstract
The invention relates to a grid reinforced bar support special-shaped section short shearing force wall and relative producing method. The special-shaped section short shearing wall is formed by hidden post (1) and shearing wall plates. Wherein, it arranges reinforced bar network inside the wall plate and hidden posts at the end and corner of wall branches; when using two-row reinforced bars, the horizontal distributed reinforced bar (4) uses rectangle closed hoop reinforcement and adds intercross grid reinforced bar support between the reinforced bar network while said grid reinforce bar support is made by using drawing reinforced bar (9) to bond or weld the inclined reinforced bar beam (8); when the reinforced bar network uses single-row distributed bar, it arranges grid reinforced bar support at the two sides of reinforced bar network; it inserts hidden post (1) anchorage at the upper and lower ends of inclined reinforced bar beam (8); and both the web and swing wall branch have said grid reinforced bar support. Compared to general short shearing wall, the invention has improved anti-vibration ability, improved loading ability, higher ductility, higher torsional resistance, reduced side rigidity reduction and limited bottom shearing slide.
Description
Technical field
The present invention is a kind of terraced lattice reinforced bar support odd-shaped cross section shear wall with short piers and preparation method thereof of being with, and belongs to a kind of shear wall and preparation method thereof.
Background technology
Reinforced concrete shear wall is the particularly core antidetonation parts of high building structure of building structure, and it is widely used in frame shear wall structure, framework-tubular construction, shear wall structure, the steel-concrete combination construction.Shear wall structure should generally not answered unidirectional layout wall limb, the odd-shaped cross section of the longitudinal and transverse wall multiform Cheng Fei of intersection " " font along major axes orientation or other direction bidirectional arrangements.Because the ductility of shear wall is relatively poor, has influenced giving full play to of its structural entity anti-seismic performance.
In recent years, particularly the requirement in high residential building plane and space is more and more higher to dwelling house for people, and originally the head beam of frame-generic structure reveals post, common shear wall structure and the strictness of architectural space is limited with separating can not satisfy the requirement of people to residence space.Therefore, on the basis of common shear wall structure, absorbed the advantage of frame construction, progressively development has formed a kind of new residential structure system-" short-shear wall structure " system.This structure has overcome the shortcoming of frame-generic and common shear wall structure to a great extent, and indoor not head beam post can satisfy the requirement of high residential building and function of use.Shear wall with short piers wall limb is shorter, and the ratio of wall limb depth of section and thickness is between 5～8.This kind structural wall limb adopts odd-shaped cross section wall limb more, often adopts L shaped, T shape, Z-shaped, cross uniform section form.But shear wall with short piers wall limb depth of section is less, and wall limb shock resistance is lower, and the earthquake zone application experience is few, and its scope of application is restricted.The reinforcement manner of shear wall with short piers is still continued to use common long limb shear wall at present, does not still have the measure that obviously improves shear wall with short piers energy dissipation ability.
Summary of the invention
Technical problem to be solved by this invention is: the energy dissipation ability and the bearing capacity that significantly improve the odd-shaped cross section shear wall with short piers; Improve the lateral rigidity and the ductility in wall limb later stage; The slippage of restriction odd-shaped cross section shear wall with short piers bottom shear; Improve the anti-twisting property of odd-shaped cross section shear wall with short piers.
The technical solution used in the present invention is: be with terraced lattice reinforced bar support odd-shaped cross section shear wall with short piers, the odd-shaped cross section shear wall with short piers is made of sleeper 1 and shear wall slab, and sleeper is made up of vertical muscle 2 of sleeper and sleeper stirrup 3; Configuration is by transversely distributed steelbar 4 and the vertical steel mesh reinforcement formed of distribution reinforcement 5 in shear wall slab, sockets with socketing reinforcing bar 6 between steel mesh reinforcement during double arrangement of reinforcement; At wall acra and wall limb corner sleeper is set all; During wall limb thickness h 〉=200mm, steel mesh reinforcement adopts double arrangement of reinforcement, and during wall limb thickness h＜200mm, steel mesh reinforcement adopts single-row reinforcement; When adopting double arrangement of reinforcement, transversely distributed steelbar 4 adopts the rectangular closed stirrup, between steel mesh reinforcement, add and be furnished with the terraced lattice reinforced bar support that the intersection X-shaped is arranged, the terraced lattice reinforced bar support that described intersection X-shaped is arranged, be on vertical distribution reinforcement 5 of each placing of reinforcement net, to distinguish the colligation single syncline to tendon 8, the oblique tendon 8 of homonymy is made up of 2～4 oblique reinforcing bars that are arranged in parallel, use the reinforcing bar of arranging into terraced lattice shape 9 that sockets to socket constraint between the oblique reinforcing bar of the oblique tendon 8 of homonymy, the terraced lattice shape of described one-tenth is arranged, and to socket reinforcing bar 9 vertical with oblique tendon 8, and socket parallel to each other being evenly arranged between the oblique reinforcing bar between the reinforcing bar 9, the connected mode that sockets reinforcing bar 9 and oblique reinforcing bar adopts colligation or welding, socket reinforcing bar 9 and constitute terraced lattice tendon with oblique tendon 8, and the online terraced lattice tendon incline direction of two placing of reinforcements is opposite, the terraced lattice tendon of both sides is combined into the intersection X-shaped, forms terraced lattice reinforced bar support; When steel mesh reinforcement adopts single-row reinforcement, steel mesh reinforcement is positioned in the middle of the wall limb, transversely distributed steelbar 4 carries out anchoring in sleeper, the terraced lattice tendon of the oblique layout of colligation on vertical distribution reinforcement 5, the terraced lattice tendon of the oblique layout of colligation on transversely distributed steelbar 4, the terraced lattice tendon incline direction of steel mesh reinforcement both sides is opposite, forms intersection X-shaped ladder lattice reinforced bar support; Sleeper 1 anchoring is stretched at the two ends up and down of oblique tendon 8, and anchorage zone sleeper stirrup 3 is encrypted; Arrange this terraced lattice reinforced bar support in web and the wing plate wall limb simultaneously.
Be with terraced lattice reinforced bar support odd-shaped cross section shear wall with short piers, ladder lattice reinforced bar support is arranged along the wallboard principal direction of stress, effectively limited the development in oblique crack, enlarged the fractue spacing zone, the energy dissipation ability strengthens, and supporting capacity improves, ductility improves, anti-twisting property improves, and the lateral rigidity decay is slow, and the bottom shear slippage is restricted.
According to technical scheme of the present invention, adopt preparation method with terraced lattice reinforced bar support odd-shaped cross section shear wall with short piers, its order is as follows:
During wall limb thickness h 〉=200mm:
1) sleeper stirrup 3 and wallboard transversely distributed steelbar 4 are inserted in vertical muscle, prepare colligation;
2) colligation sleeper stirrup 3 and wallboard transversely distributed steelbar 4, but the sleeper stirrup 3 of the intersection of sleeper and oblique tendon 8 and oblique tendon 8 anchorage zones and transversely distributed steelbar 4 not colligations temporarily;
3) oblique tendon 8 usefulness are socketed reinforcing bar 9 colligations or welding is fixing, form terraced lattice tendon;
4) terraced lattice tendon is put into the good reinforced mesh of colligation from the top, and carry out the colligation location on the vertical distribution reinforcement 5 of reinforced mesh, the terraced lattice tendon of both sides is formed the intersection X-shaped;
5) will temporarily there be the sleeper stirrup 3 of colligation and transversely distributed steelbar 4 colligations good;
6) supporting template leaves thickness of concrete cover between template and the reinforcing bar;
7) casting and compacting of concrete, maintenance, last form removal.
During wall limb thickness h＜200mm:
1) vertical muscle 2 of the sleeper at colligation sleeper position and sleeper stirrup 3, but the intersection of sleeper and oblique tendon 8 and the 8 anchorage zone sleeper stirrup 3 not colligations temporarily of oblique tendon;
2) colligation wallboard transversely distributed steelbar 4 and vertically distribution reinforcement 5;
3) oblique tendon 8 usefulness are socketed reinforcing bar 9 colligations or welding is fixing, form terraced lattice tendon;
4) colligation fixed ladder lattice tendon, vertically the terraced lattice tendon colligation of distribution reinforcement 5 one sides is vertically positioning on the distribution reinforcement 5, the terraced lattice tendon colligation of transversely distributed steelbar 4 one sides positions on transversely distributed steelbar 4, and the terraced lattice tendon of both sides is the intersection X-shaped and arranges;
5) stirrup in the position colligation of colligation sleeper stirrup 3 will do not had on the sleeper;
6) supporting template leaves thickness of concrete cover between template and the reinforcing bar;
7) casting and compacting of concrete, maintenance, last form removal.
Description of drawings
Fig. 1 is that distribution reinforcement adopts double arrangement of reinforcement in the L shaped shear wall with short piers of band ladder lattice reinforced bar support odd-shaped cross section of the present invention, and terraced lattice reinforced bar support is the structural reinforcement schematic diagram of an element of construction of odd-shaped cross section shear wall with short piers when intersecting the X-shaped layout;
Fig. 2 is the structural reinforcement schematic diagram of an element of construction of the band ladder lattice L shaped shear wall with short piers aileron of reinforced bar support odd-shaped cross section of the present invention;
Fig. 3 (a) is an A-A section enlarged diagram among Fig. 1, and dash area is the sleeper zone among the figure, and Fig. 3 (b) is corner sleeper stirrup arrangement signal, and Fig. 3 (c) adopts the signal of rectangle hoop arrangement for transversely distributed steelbar;
Fig. 4 is that distribution reinforcement adopts double arrangement of reinforcement in the band ladder lattice reinforced bar support odd-shaped cross section T shape shear wall with short piers of the present invention, ladder lattice reinforced bar support is the structural reinforcement schematic diagram of an element of construction of odd-shaped cross section shear wall with short piers when intersecting the X-shaped layout, and oblique tendon adopts 3 parallel reinforcing bars among the figure;
Fig. 5 is the structural reinforcement schematic diagram of an element of construction of band ladder lattice reinforced bar support odd-shaped cross section T shape shear wall with short piers aileron of the present invention;
Fig. 6 (a) is an A-A section enlarged diagram among Fig. 4, and dash area is the sleeper zone among the figure, and Fig. 6 (b) is corner sleeper stirrup arrangement signal, and Fig. 6 (c) adopts the signal of rectangle hoop arrangement for transversely distributed steelbar;
Fig. 7 (a) is that distribution reinforcement adopts double arrangement of reinforcement in the Z-shaped shear wall with short piers of band ladder lattice reinforced bar support odd-shaped cross section of the present invention, ladder lattice reinforced bar support is an element of construction section of odd-shaped cross section shear wall with short piers enlarged diagram when intersecting the X-shaped layout, dash area is the sleeper zone among the figure, Fig. 7 (b) is corner sleeper stirrup arrangement signal, and Fig. 7 (c) adopts the signal of rectangle hoop arrangement for transversely distributed steelbar;
Fig. 8 is that distribution reinforcement adopts double arrangement of reinforcement in the band ladder lattice reinforced bar support odd-shaped cross section cross shear wall with short piers of the present invention, and terraced lattice reinforced bar support is the structural reinforcement schematic diagram of an element of construction of odd-shaped cross section shear wall with short piers when intersecting the X-shaped layout;
Fig. 9 (a) is an A-A section enlarged diagram among Fig. 8, and dash area is the sleeper zone among the figure, and Fig. 9 (b) is corner sleeper stirrup arrangement signal, and Fig. 9 (c) adopts the signal of rectangle hoop arrangement for transversely distributed steelbar;
Figure 10 is that distribution reinforcement adopts single-row reinforcement in the L shaped shear wall with short piers of band ladder lattice reinforced bar support odd-shaped cross section of the present invention, and terraced lattice reinforced bar support is the structural reinforcement schematic diagram of an element of construction of odd-shaped cross section shear wall with short piers when intersecting the X-shaped layout;
Figure 11 is the structural reinforcement schematic diagram of an element of construction of aileron when distribution reinforcement adopts single-row reinforcement in the L shaped shear wall with short piers of band ladder lattice reinforced bar support odd-shaped cross section of the present invention;
Figure 12 (a) is an A-A section enlarged diagram among Figure 10, and dash area is the sleeper zone among the figure, and Figure 12 (b) is corner sleeper stirrup arrangement signal;
Figure 13 (a) is that distribution reinforcement adopts single-row reinforcement in the band ladder lattice reinforced bar support odd-shaped cross section T shape shear wall with short piers of the present invention, ladder lattice reinforced bar support is the section enlarged diagram of an element of construction of odd-shaped cross section shear wall with short piers when intersecting the X-shaped layout, dash area is the sleeper zone among the figure, and Figure 13 (b) is corner sleeper stirrup arrangement signal;
Figure 14 (a) is that distribution reinforcement adopts single-row reinforcement in the Z-shaped shear wall with short piers of band ladder lattice reinforced bar support odd-shaped cross section of the present invention, ladder lattice reinforced bar support is the section enlarged diagram of an element of construction of odd-shaped cross section shear wall with short piers when intersecting the X-shaped layout, dash area is the sleeper zone among the figure, and Figure 14 (b) is corner sleeper stirrup arrangement signal;
Figure 15 is that distribution reinforcement adopts single-row reinforcement in the band ladder lattice reinforced bar support odd-shaped cross section cross shear wall with short piers of the present invention, and terraced lattice reinforced bar support is the structural reinforcement schematic diagram of an element of construction of odd-shaped cross section shear wall with short piers when intersecting the X-shaped layout;
Figure 16 (a) is an A-A section enlarged diagram among Figure 15, and dash area is the sleeper zone among the figure, and Figure 16 (b) is corner sleeper stirrup arrangement signal;
The 1-sleeper; The 2-sleeper is indulged muscle; 3-sleeper stirrup; The 4-transversely distributed steelbar; The vertical distribution reinforcement of 5-; 6-sockets reinforcing bar; The 7-coupling beam; The oblique reinforcing bar of 8-; 9-sockets reinforcing bar
The specific embodiment
When wall reinforcement adopted double arrangement of reinforcement, with structural reinforcement schematic diagram such as Fig. 1, Fig. 2 and shown in Figure 3 of an element of construction of the L shaped shear wall with short piers of terraced lattice reinforced bar support odd-shaped cross section, it was by steel concrete sleeper 1 and is with terraced lattice reinforced bar support shear wall slab to constitute; The arrangement of reinforcement of its sleeper 1 is, rectangle hoop 3 in reinforcing bar 2 even colligations longitudinally, and stirrup is along whole sleeper colligation, and encrypts in the anchorage zone of oblique tendon 8, sleeper in wall limb corner is L-shaped, and corner sleeper stirrup is that perpendicular rectangle hoop is formed L shaped; The arrangement of reinforcement of shear wall slab is, vertically arrange transversely distributed steelbar 4 and vertical distribution reinforcement 5 in both sides respectively equably along laterally reaching, transversely distributed steelbar 4 adopts the rectangular closed stirrup, rectangle hoop and vertically distribution reinforcement 5 in the crosspoint colligation fix, form two steel mesh reinforcements, the reinforcing bar 6 that sockets that is not more than 600mm with spacing between the steel mesh reinforcement sockets; The arrangement of reinforcement of ladder lattice reinforced bar support is, difference colligation single syncline is to tendon 8 on vertical distribution reinforcement 5 of each placing of reinforcement net, the oblique tendon 8 of every side is made up of two parallel reinforcing bars, every skew back uses the reinforcing bar 9 that sockets vertical with oblique reinforcing bar and that be the parallel even layout of terraced trellis to socket between the oblique reinforcing bar of tendon 8, the connected mode that sockets reinforcing bar 9 and oblique reinforcing bar can adopt colligation or welding, constitute terraced lattice tendon, and the online terraced lattice tendon incline direction of two placing of reinforcements is opposite, the terraced lattice tendon of both sides is combined into the intersection X-shaped, forms terraced lattice reinforced bar support; Oblique tendon 8 stretches into sleeper and carries out anchoring, and the anchorage zone generally is positioned at the intersection of coupling beam 7 and wall limb, and anchoring will be satisfied the requirement of anchorage length; Form behind the disturbing concrete and be with the L shaped shear wall with short piers of terraced lattice reinforced bar support odd-shaped cross section.
When wall reinforcement adopted double arrangement of reinforcement, with structural reinforcement schematic diagram such as Fig. 4, Fig. 5 and shown in Figure 6 of an element of construction of terraced lattice reinforced bar support odd-shaped cross section T shape shear wall with short piers, it was by steel concrete sleeper 1 and is with terraced lattice reinforced bar support shear wall slab to constitute; The arrangement of reinforcement of its sleeper 1 is identical with embodiment 1, and is T-shaped at the sleeper of wall limb corner, and corner sleeper stirrup is the perpendicular T-shaped layout of rectangle hoop; The arrangement of reinforcement of shear wall slab is identical with embodiment 1; The arrangement of reinforcement of ladder lattice reinforced bar support is, difference colligation single syncline is to tendon 8 on vertical distribution reinforcement 5 of each placing of reinforcement net, the oblique tendon 8 of every side is made up of three parallel reinforcing bars in the web, the oblique tendon 8 of every side is made up of two parallel reinforcing bars in the wing plate, adopt vertical between the every adjacent two oblique reinforcing bars of homonymy and be the reinforcing bar 9 that sockets that terraced trellis evenly is arranged in parallel and socket with oblique reinforcing bar, adjacent two row socket reinforcing bar 9 interlaced arrangement, it is identical with embodiment 1 to socket the connected mode of reinforcing bar 9 and oblique reinforcing bar and oblique tendon 8 arrangements and anchorage style, forms behind the disturbing concrete and is with terraced lattice reinforced bar support odd-shaped cross section T shape shear wall with short piers.
When wall reinforcement adopted double arrangement of reinforcement, with the section enlarged diagram of an element of construction of the Z-shaped shear wall with short piers of terraced lattice reinforced bar support odd-shaped cross section as shown in Figure 7, it was by steel concrete sleeper 1 and is with terraced lattice reinforced bar support shear wall slab to constitute; The arrangement of reinforcement of its sleeper 1 is identical with embodiment 1, and the arrangement of reinforcement of shear wall slab is identical with embodiment 1; The arrangement of reinforcement of ladder lattice reinforced bar support is identical with embodiment 1, forms behind the disturbing concrete and is with the Z-shaped shear wall with short piers of terraced lattice reinforced bar support odd-shaped cross section.
When wall reinforcement adopted double arrangement of reinforcement, with structural reinforcement schematic diagram such as Fig. 8, shown in Figure 9 of an element of construction of terraced lattice reinforced bar support odd-shaped cross section cross shear wall with short piers, it was by steel concrete sleeper 1 and is with terraced lattice reinforced bar support shear wall slab to constitute; The arrangement of reinforcement of its sleeper 1 is identical with embodiment 1, is cross at the sleeper of wall limb intersection, and wall limb intersection sleeper stirrup is that perpendicular rectangle hoop is cross and arranges; The arrangement of reinforcement of shear wall slab is identical with embodiment 1; The arrangement of reinforcement of ladder lattice reinforced bar support is, in conplane wallboard, arranges respectively between two steel mesh reinforcements of middle cross sleeper both sides and intersects X-shaped ladder lattice reinforced bar support, forms behind the disturbing concrete and is with terraced lattice reinforced bar support odd-shaped cross section cross shear wall with short piers.
When wall reinforcement adopted single-row reinforcement, with structural reinforcement schematic diagram such as Figure 10, Figure 11 and shown in Figure 12 of an element of construction of the L shaped shear wall with short piers of terraced lattice reinforced bar support odd-shaped cross section, the form of reinforcement of sleeper was identical during with double arrangement of reinforcement; The arrangement of reinforcement of shear wall slab is, horizontal reaching vertically arranged single transversely distributed steelbar 4 and vertical distribution reinforcement 5 respectively equably on the middle edge of wall limb, and in the crosspoint colligation is fixed, transversely distributed steelbar 4 carries out anchoring in sleeper, the corner transversely distributed steelbar bend into the anchoring of aileron sleeper, and the requirement of anchorage length is satisfied in anchoring; The arrangement of reinforcement of ladder lattice reinforced bar support is, the oblique tendon 8 of colligation on vertical distribution reinforcement 5, the oblique tendon 8 of colligation on transversely distributed steelbar 4, every skew back is used vertical with oblique reinforcing bar between the oblique reinforcing bar of tendon 8 and is the reinforcing bar 9 that sockets that terraced trellis evenly is arranged in parallel and sockets, constitute terraced lattice tendon, the connected mode that sockets reinforcing bar 9 and oblique reinforcing bar can adopt colligation or welding, the terraced lattice tendon incline direction of steel mesh reinforcement both sides is opposite, form the intersection X-shaped, form terraced lattice reinforced bar support, oblique tendon 8 stretches into sleeper and carries out anchoring, and the anchorage zone generally is positioned at the intersection of coupling beam 7 and wall limb, and anchoring will be satisfied the requirement of anchorage length; Form behind the disturbing concrete and be with the L shaped shear wall with short piers of terraced lattice reinforced bar support odd-shaped cross section.
When wall reinforcement adopted single-row reinforcement, with the section enlarged diagram of an element of construction of terraced lattice reinforced bar support odd-shaped cross section T shape shear wall with short piers as shown in figure 13, the form of reinforcement of sleeper was identical with embodiment 1.The arrangement of reinforcement of shear wall slab is identical with embodiment 5, and the arrangement of reinforcement of terraced lattice reinforced bar support is identical with embodiment 5, forms behind the disturbing concrete and is with terraced lattice reinforced bar support odd-shaped cross section T shape shear wall with short piers.
Embodiment 7
When wall reinforcement adopts single-row reinforcement, with the section enlarged diagram of an element of construction of the Z-shaped shear wall with short piers of terraced lattice reinforced bar support odd-shaped cross section as shown in figure 14, the form of reinforcement of sleeper is identical with embodiment 1, the arrangement of reinforcement of shear wall slab is identical with embodiment 5, the arrangement of reinforcement of ladder lattice reinforced bar support is identical with embodiment 5, forms behind the disturbing concrete and is with the Z-shaped shear wall with short piers of terraced lattice reinforced bar support odd-shaped cross section.
When wall reinforcement adopts single-row reinforcement, structural reinforcement schematic diagram such as Figure 15 and shown in Figure 16 with an element of construction of terraced lattice reinforced bar support odd-shaped cross section cross shear wall with short piers, the form of reinforcement of sleeper is identical with embodiment 4, the arrangement of reinforcement of shear wall slab is identical with embodiment 5, the arrangement of reinforcement of ladder lattice reinforced bar support is, in conplane wallboard, middle cross sleeper both sides are arranged intersection X-shaped ladder lattice reinforced bar support respectively, the anchoring of oblique tendon 8 with socket identically with embodiment 5, form behind the disturbing concrete and be with terraced lattice reinforced bar support odd-shaped cross section cross shear wall with short piers.
Claims (6)
1, is with terraced lattice reinforced bar support odd-shaped cross section shear wall with short piers, form by sleeper (1) and shear wall slab, sleeper (1) is made up of vertical muscle (2) of sleeper and sleeper stirrup (3), the steel mesh reinforcement that configuration is made up of transversely distributed steelbar (4) and vertical distribution reinforcement (5) in shear wall slab, between steel mesh reinforcement, socket during the double arrangement of reinforcement of steel mesh reinforcement with socketing reinforcing bar (6), it is characterized in that: when wall limb thickness h 〉=200mm, steel mesh reinforcement adopts double arrangement of reinforcement, during wall limb thickness h＜200mm, steel mesh reinforcement adopts single-row reinforcement; At wall acra and wall limb corner sleeper (1) is set all; When adopting double arrangement of reinforcement, between steel mesh reinforcement, add and be furnished with the terraced lattice reinforced bar support that the intersection X-shaped is arranged, the terraced lattice reinforced bar support that described intersection X-shaped is arranged, be to go up difference colligation single syncline to tendon (8) at vertical distribution reinforcement (5) of each placing of reinforcement net, use the reinforcing bar of arranging into terraced lattice shape (9) that sockets to socket constraint between the oblique reinforcing bar of the oblique tendon of homonymy (8), the terraced lattice shape of described one-tenth is arranged, and to socket reinforcing bar (9) vertical with oblique tendon (8), and socket parallel to each other being evenly arranged between the oblique reinforcing bar between the reinforcing bar (9), socket reinforcing bar (9) and constitute terraced lattice tendon with oblique tendon (8), and the online terraced lattice tendon incline direction of two placing of reinforcements is opposite, the terraced lattice tendon of both sides is combined into the intersection X-shaped, forms terraced lattice reinforced bar support; When steel mesh reinforcement adopts single-row reinforcement, go up the terraced lattice tendon of the oblique layout of colligation at vertical distribution reinforcement (5), at the terraced lattice tendon of the last oblique layout of colligation of transversely distributed steelbar (4), the terraced lattice tendon incline direction of steel mesh reinforcement both sides is opposite, forms intersection X-shaped ladder lattice reinforced bar support; Arrange this terraced lattice reinforced bar support in web and the wing plate wall limb simultaneously.
2, the terraced lattice reinforced bar support of band according to claim 1 odd-shaped cross section shear wall with short piers is characterized in that: when steel mesh reinforcement adopted double arrangement of reinforcement, transversely distributed steelbar (4) adopted the rectangular closed stirrup; When steel mesh reinforcement adopted single-row reinforcement, steel mesh reinforcement was positioned in the middle of the wall limb, and transversely distributed steelbar (4) carries out anchoring in sleeper.
3, the terraced lattice reinforced bar support of band according to claim 1 odd-shaped cross section shear wall with short piers is characterized in that: the connected mode that sockets reinforcing bar (9) and oblique tendon (8) adopts colligation or welding.
4, the terraced lattice reinforced bar support of band according to claim 1 odd-shaped cross section shear wall with short piers is characterized in that: sleeper (1) anchoring is stretched at the two ends up and down of oblique tendon (8), and anchorage zone sleeper stirrup (3) is encrypted.
5, the terraced lattice reinforced bar support of band according to claim 1 odd-shaped cross section shear wall with short piers is characterized in that: the oblique tendon (8) of homonymy is made up of 2～4 oblique reinforcing bars that are arranged in parallel.
6, the preparation method according to the terraced lattice reinforced bar support of the described band of claim 1 odd-shaped cross section shear wall with short piers is a kind of preparation method of odd-shaped cross section shear wall, it is characterized in that: when carrying out wall limb thickness h 〉=200mm as follows:
1) sleeper stirrup (3) and wallboard transversely distributed steelbar (4) are inserted in vertical muscle, prepare colligation;
2) colligation sleeper stirrup (3) and wallboard transversely distributed steelbar (4), but the sleeper stirrup (3) of the intersection of sleeper and oblique tendon (8) and oblique tendon (8) anchorage zone and transversely distributed steelbar (4) not colligation temporarily;
3) with oblique tendon (8) with socketing reinforcing bar (9) colligation or welding is fixing, form terraced lattice tendon;
4) terraced lattice tendon is put into the good reinforced mesh of colligation from the top, and carry out the colligation location on the vertical distribution reinforcement of reinforced mesh (5), the terraced lattice tendon of both sides is formed the intersection X-shaped;
5) will temporarily there be the sleeper stirrup (3) of colligation and transversely distributed steelbar (4) colligation good;
6) supporting template leaves thickness of concrete cover between template and the reinforcing bar;
7) casting and compacting of concrete, maintenance, last form removal.During wall limb thickness h＜200mm:
1) vertical muscle (2) of the sleeper at colligation sleeper position and sleeper stirrup (3), but the intersection of sleeper and oblique tendon (8) and oblique tendon (8) anchorage zone sleeper stirrup (3) not colligation temporarily;
2) colligation wallboard transversely distributed steelbar (4) and vertically distribution reinforcement (5);
3) with oblique tendon (8) with socketing reinforcing bar (9) colligation or welding is fixing, form terraced lattice tendon;
4) colligation fixed ladder lattice tendon, vertically the terraced lattice tendon colligation of distribution reinforcement (5) one sides is vertically positioning on the distribution reinforcement (5), the terraced lattice tendon colligation of transversely distributed steelbar (4) one sides positions on transversely distributed steelbar (4), and the terraced lattice tendon of both sides is the intersection X-shaped and arranges;
5) stirrup in the position colligation of colligation sleeper stirrup (3) will do not had on the sleeper;
6) supporting template leaves thickness of concrete cover between template and the reinforcing bar;
7) casting and compacting of concrete, maintenance, last form removal.
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Assignee: Beijing Soace-time Creator Architecture Design Co., Ltd. Assignor: Beijing University of Technology Contract fulfillment period: 2008.10.12 to 2014.10.12 contract change Contract record no.: 2009110000044 Denomination of invention: Profiled short-pier shear wall with rung steel bar support Granted publication date: 20080723 License type: Exclusive license Record date: 2009.4.9 |
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