CN203475642U - Coupled shear wall combining replaceable steel coupling beam and dual-layer steel plate high-strength concrete - Google Patents
Coupled shear wall combining replaceable steel coupling beam and dual-layer steel plate high-strength concrete Download PDFInfo
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- CN203475642U CN203475642U CN201320504037.9U CN201320504037U CN203475642U CN 203475642 U CN203475642 U CN 203475642U CN 201320504037 U CN201320504037 U CN 201320504037U CN 203475642 U CN203475642 U CN 203475642U
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Abstract
The utility model provides a coupled shear wall combining a replaceable steel coupling beam and dual-layer steel plate high-strength concrete. The coupled shear wall is composed of a dual-layer steel plate high-strength concrete shear wall and the replaceable steel coupling beam, wherein the dual-layer steel plate high-strength concrete shear wall and the replaceable steel coupling beam are connected together in a welding mode. The replaceable steel coupling beam comprises a replaceable energy dissipation yield beam section at the midspan position of the steel coupling beam and non-yield beam sections arranged at the two ends of the replaceable energy dissipation yield beam section, and the replaceable energy dissipation yield beam section and the non-yield beam sections are connected together through end plates and high-strength bolts. According to the coupled shear wall combining the replaceable steel coupling beam and the dual-layer steel plate high-strength concrete, the replaceable steel coupling beam and the dual-layer steel plate shear wall are combined organically, a shear wall structure superior in ductility and energy-dissipating capacity is formed, the design demands of high axle load, high ductility and thin walls of super high-rise building structures can be well met, and important theoretical significance and practical value are achieved on the improvement of the anti-seismic performance and disaster reduction and prevention performance of high-rise structures and the super high-rises structures. Meanwhile, the coupled shear wall combining the replaceable steel coupling beam and the dual-layer steel plate high-strength concrete is simple in structure, the outer side steel plates can be used as the formworks, construction is simple and convenient, and the coupled shear wall has wide application prospects.
Description
Technical field
The utility model belongs to Steel concrete combining structure and combination construction anti-seismic technology field, is specifically related to a kind of replaceable steel coupling beam-double-layer plate high-strength concrete combination connection limb shear wall.
Background technology
In engineering structures, adopt Materials with High Strength, both can meet modern project structure to demand high-rise and large span development, reduce structural element sectional dimension, save material usage; Also can improve the durability of concrete structure, extending structure service life, there is good economic and social benefit.But research shows: after concrete compressive strength improves, the intensity of its tension, shear strength and coarse aggregate is relatively low, and ductility reduces, thereby has reduced the anti-seismic performance of High Strength Concrete Structures.Thereby cause strong concrete (more than C60) in high building structure, to be difficult at present be used widely.
Steel plate concrete combined shear wall can be given full play to the advantage separately of Steel concrete bi-material, maximizes favourable factors and minimizes unfavourable ones, and on the one hand by comprehensive mode, i.e. the combination of bi-material meets the demand of building, structure-function integration; On the other hand with differentiation mode to meet structural performance target multiple demands.In tall and super tall R.C. buidings, application is more and more extensive at present, and Hong Kong Bank of China Tower, three phases of Beijing GuoMao Center, center, Shanghai, Yancheng TV transmission tower have all adopted steel plate concrete combined shear wall.
Shear wall structure is a kind of Lateral Resistant System of opposing horizontal loading.Under geological process, shear wall has not only been born most of earthquake shearing, but also has played the important function of dissipation seismic energy.
In a large amount of shear wall structure system, framework-core wall structure system and the inner core adopting-outer framed-tube structure systems of highrise building, shear wall occurs mainly with connection limb shear wall form.Connection limb shear wall is by combine a kind of Lateral Resistant System of common opposing horizontal loading of two or multi-disc shear wall by coupling beam; The mode of its opposing horizontal force completes jointly by only depending on the bending resistance of entity shear wall cross section to change the couple being comprised of each wall limb bending resistance and wall limb axle power into.The lateral rigidity of connection limb shear wall is more much larger than each independent wall limb lateral rigidity sum.The general span-depth radio of reinforced concrete coupling beams is little, under earthquake reciprocating, easily there is shear failure, simultaneously due to the weight of whole steel coupling beam in highrise building is large and severe earthquake action under plastic strain larger, easily there is girder steel and wall limb connecting portion generation local damage, after shake, be difficult to directly change, after the shake of steel coupling beam, repair very difficult.
Utility model content
The purpose of this utility model is to provide a kind of replaceable steel coupling beam double-layer plate high-strength concrete combination connection limb shear wall.
For achieving the above object, the utility model has adopted following technical scheme:
Comprise double-layer plate high strength concrete shear wall and be arranged at the replaceable steel coupling beam between double-layer plate high strength concrete shear wall, described replaceable steel coupling beam comprises removable energy dissipating surrender beam section and the non-surrender beam section that is arranged at energy dissipating surrender beam section two ends, and non-surrender beam section is welded in the edge of corresponding double-layer plate high strength concrete shear wall.
Described double-layer plate high strength concrete shear wall comprises outsourcing double-layer plate and builds the strong concrete between outsourcing double-layer plate, is provided with some row's pegs on the surface of outsourcing double-layer plate opposite side.
Described outsourcing double-layer plate is to enclose by the encased steel plate unit being oppositely arranged the shear wall outsourcing template forming, and strong concrete is wrapped in shear wall outsourcing template.
Between described outsourcing double-layer plate, be provided with several spaced stiffeners, strong concrete be arranged at that stiffener and outsourcing double-layer plate enclose formation several independently in chamber.
The bearing capacity of described non-surrender beam section is greater than energy dissipating surrender beam section.
Described non-surrender beam section and energy dissipating surrender beam section all adopt steel I-beam.
Described energy dissipating surrender beam section adopts common iron or Low Yield Point Steel, and the yield point of energy dissipating surrender beam section is lower than non-surrender beam section.
Described replaceable steel coupling beam also comprises junction plate and high-strength bolt, and energy dissipating surrender beam section is connected with non-surrender beam section with high-strength bolt by junction plate.
The beneficial effects of the utility model are embodied in:
Replaceable steel coupling beam double-layer plate high-strength concrete combination connection limb shear wall described in the utility model adopted double-layer plate high strength concrete shear wall and by energy dissipating surrender beam section, be arranged at the replaceable steel coupling beam that the non-surrender beam section at energy dissipating surrender beam section two ends forms, this combination connection limb shear wall can improve Brittleness of High Strength Concrete, significantly improves the ductility ability of shear wall; Can promote the ability of the fast quick-recovery of function after high building structure macroseism simultaneously.
Accompanying drawing explanation
Fig. 1 is one of structural representation of replaceable steel coupling beam double-layer plate high-strength concrete combination connection limb shear wall described in the utility model;
Fig. 2 be replaceable steel coupling beam double-layer plate high-strength concrete combination connection limb shear wall described in the utility model structural representation two;
Fig. 3 is the structural representation of double-layer plate high strength concrete shear wall described in the utility model;
In figure: 1 is non-surrender beam section, 2 is energy dissipating surrender beam section, and 3 is high-strength bolt, and 4 is junction plate, and 5 is vertical stiffeners, and 6 is outsourcing double-layer plate, and 7 is peg, and 8 is strong concrete, and 9 is stiffener.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Referring to Fig. 1-Fig. 3, replaceable steel coupling beam double-layer plate high-strength concrete combination connection limb shear wall described in the utility model comprises double-layer plate high strength concrete shear wall and is arranged at the replaceable steel coupling beam between double-layer plate high strength concrete shear wall, described replaceable steel coupling beam comprises and is positioned at the removable energy dissipating surrender beam section 2 of coupling beam span centre and the non-surrender beam section 1 that is arranged at energy dissipating surrender beam section two ends, and non-surrender beam section is welded in the edge of corresponding double-layer plate high strength concrete shear wall.Described double-layer plate high strength concrete shear wall comprises outsourcing double-layer plate 6 and builds the strong concrete 8 between outsourcing double-layer plate, is provided with some row's pegs 7 on the surface of outsourcing double-layer plate opposite side.Described outsourcing double-layer plate 6 is to enclose by the encased steel plate unit being oppositely arranged the shear wall outsourcing template forming, and strong concrete 8 is wrapped in shear wall outsourcing template.Between described outsourcing double-layer plate 6, be provided with several spaced stiffeners 9, strong concrete 8 be arranged at that stiffener and outsourcing double-layer plate enclose formation several independently in chamber.
The bearing capacity of described non-surrender beam section 1 is greater than energy dissipating surrender beam section 2.Described non-surrender beam section 1 and energy dissipating surrender beam section 2 all adopt steel I-beam.Described energy dissipating surrender beam section 2 adopts common iron or Low Yield Point Steel, and the yield point of energy dissipating surrender beam section 2 is lower than non-surrender beam section 1.Described replaceable steel coupling beam also comprises junction plate 4 and high-strength bolt 3, and energy dissipating surrender beam section 2 is connected with non-surrender beam section 1 with high-strength bolt by junction plate.
Embodiment
Novel replaceable steel coupling beam-double-layer plate high-strength concrete combination connection limb shear wall, comprises double-layer plate high strength concrete shear wall and replaceable steel coupling beam, and both are consolidated by welding.Double-layer plate high strength concrete shear wall comprises outsourcing double-layer plate and builds the strong concrete between outsourcing double-layer plate, double-layer plate high strength concrete shear wall is passed through Concrete Filled between outsourcing double-layer plate, at shear wall arranged outside outsourcing double-layer plate; On the surface of described outsourcing double-layer plate 6 opposite sides, be welded with some row's pegs 7, for example, by strengthening the interaction (strengthening steel plate and concrete bonding) between concrete and steel plate peg 7 is set between steel plate; Described outsourcing double-layer plate is to enclose by the encased steel plate element solder being oppositely arranged the shear wall outsourcing template forming, and strong concrete is wrapped in shear wall outsourcing template; Between described outsourcing double-layer plate, be provided with several spaced stiffeners 9; Stiffener 9 connects from top to bottom in steel plate, and stiffener is welded on steel plate, and stiffener is perpendicular to steel plate.High strength coagulation degree build in stiffener 9 and outsourcing double-layer plate 6, enclose formation several independently in chamber.
The steel plate of described combination connection limb shear wall consist of outsourcing double-layer plate and stiffener, the Plate Welding by dimension forms as required, encased steel plate is also to adopt to weld with being connected of stiffener.
Described replaceable steel coupling beam is included in the removable energy dissipating surrender beam section 2 at coupling beam span centre place and the non-surrender beam section 1 that is placed in energy dissipating surrender beam section two ends.The connected mode of described non-surrender beam section and energy dissipating surrender beam section, for the end in non-surrender beam section and energy dissipating surrender beam section is welded to connect plate 4, has screw on junction plate 4, by high-strength bolt 3, non-surrender beam section and energy dissipating surrender beam section are coupled together.The bearing capacity of described non-surrender beam section is greater than energy dissipating surrender beam section, and energy dissipating surrender beam section adopts common iron or Low Yield Point Steel.Non-surrender beam section and energy dissipating surrender beam section all adopts steel I-beam, and non-surrender beam section is provided with a plurality of vertical stiffeners vertical with web 5, prevents Buckling of Web.
The steel of described combination connection limb shear wall are produced in specialized Gang Gou company in advance, then transport to job site, after assigned address installation in position, encased steel plate, as the template of construction stage concreting, after concrete setting reaches some strength, lifts non-surrender beam section, be welded on the wall limb place of appointment, finally lift energy dissipating surrender beam section, by junction plate and high-strength bolt, non-surrender beam section and energy dissipating surrender beam section are linked together, be assembled into an integral body.
Double-layer plate high strength concrete shear wall is a kind of form of novel steel plate concrete combined shear wall: by by Concrete Filled between steel plate, at shear wall arranged outside steel plate, and with peg, concrete and steel plate are linked together common bearing load.By replace close longitudinal reinforcement of joining and transverse reinforcement to provide flexural strength and shear strength for shear wall at shear wall outside configuration steel plate; By stiffener is set between steel plate, concrete is formed to effective effect of contraction, improve Brittleness of High Strength Concrete; So just can use high-strength concrete, and then reduce the thickness of body of wall.Stiffener is set simultaneously and can guarantees that steel plate and concrete are better coupled, collaborative work, reaches and improves the supporting capacity of shear wall and the object of anti-seismic performance.
By peg is set between steel plate and concrete, carry out wild phase mutual effect, and lateral restraint is provided to peripheral steel plate, prevented the bending deformation that steel plate is too early.Double-layer plate high strength concrete shear wall can meet the design requirement of super-high building structure to shear wall " high axial compression, high ductility, thin body of wall " well.In addition, the simple structure of double-layer plate high strength concrete shear wall, outside steel plate can doublely be done template and use, easy construction.
The utility model has carried out experimental study to the double-layer plate high strength concrete shear wall anti-seismic performance of built-in stiffener under high axial compression, and Preliminary Results shows: test specimen all shows good ductility and energy dissipation capacity, and hysteresis loop is full stable.Compare with reinforced concrete shear wall, the yield displacement of double steel plate concrete shear force wall has improved 21%, and average peak load has improved 20%; Sideways displacement angle 1/61～1/49 during destruction, (to different test specimens); While reaching capacity state, bottom steel plate generation flexing.
In addition, this double-layer plate high-strength concrete combination connection limb shear wall arranges removable energy dissipating surrender beam section at the middle part of steel coupling beam, and is connected with two ends non-surrender beam section (non-energy dissipating beam section) by junction plate, high-strength bolt; Under severe earthquake action, the removable energy dissipating surrender beam section of coupling beam is surrendered prior to other parts of coupling beam, dissipation seismic energy, and the non-energy dissipating beam section at two ends keeps elasticity, replaceable steel coupling beam energy dissipation capacity is strong, after shake, can repair fast replacing, can realize the functional rehabilitation of coupling beam, use this replaceable steel coupling beam, can promote the ability of the fast quick-recovery of function after high building structure macroseism, can avoid structure to be pushed over reconstruction, reduce financial cost and the time cost repaired, accomplish to cut the waste.In addition,, by using replaceable steel coupling beam, through test, discovery can further improve ductility and the energy dissipation capacity that test specimen is good.
In sum, double-layer plate high-strength concrete combination connection limb shear wall is by utilizing the reasonable combination of replaceable steel coupling beam and double-layer plate concrete shear force wall, make the strong concrete can be at high level, in the building in super highrise building and high earthquake intensity area, applied, can also significantly improve ductility of sheer wall, and can fundamentally improve the anti-seismic performance of coupling beam and shake rear functional rehabilitation, for improving anti-seismic performance high-rise and Super High structure, disaster reduction and prevention, there are important theory significance and practical value, be with a wide range of applications, can be widely used in the high level and super highrise building in the seismic fortification intensity 8 above areas of degree.
Claims (8)
1. a replaceable steel coupling beam double-layer plate high-strength concrete combination joins limb shear wall, it is characterized in that: comprise double-layer plate high strength concrete shear wall and be arranged at the replaceable steel coupling beam between double-layer plate high strength concrete shear wall, described replaceable steel coupling beam comprises removable energy dissipating surrender beam section (2) and the non-surrender beam section (1) that is arranged at energy dissipating surrender beam section two ends, and non-surrender beam section is welded in the edge of corresponding double-layer plate high strength concrete shear wall.
2. a kind of replaceable steel coupling beam double-layer plate high-strength concrete combination joins limb shear wall according to claim 1, it is characterized in that: described double-layer plate high strength concrete shear wall comprises outsourcing double-layer plate (6) and builds the strong concrete (8) between outsourcing double-layer plate, is provided with some row's pegs (7) on the surface of outsourcing double-layer plate opposite side.
3. a kind of replaceable steel coupling beam double-layer plate high-strength concrete combination joins limb shear wall according to claim 2, it is characterized in that: described outsourcing double-layer plate (6) is to enclose by the encased steel plate unit being oppositely arranged the shear wall outsourcing template forming, and strong concrete (8) is wrapped in shear wall outsourcing template.
4. a kind of replaceable steel coupling beam double-layer plate high-strength concrete combination joins limb shear wall according to claim 2, it is characterized in that: between described outsourcing double-layer plate (6), be provided with several spaced stiffeners (9), strong concrete (8) be arranged at that stiffener and outsourcing double-layer plate enclose formation several independently in chamber.
5. a kind of replaceable steel coupling beam double-layer plate high-strength concrete combination joins limb shear wall according to claim 1, it is characterized in that: the bearing capacity of described non-surrender beam section (1) is greater than energy dissipating surrender beam section (2).
6. a kind of replaceable steel coupling beam double-layer plate high-strength concrete combination joins limb shear wall according to claim 1, it is characterized in that: described non-surrender beam section (1) and energy dissipating surrender beam section (2) all adopt steel I-beam.
7. a kind of replaceable steel coupling beam double-layer plate high-strength concrete combination joins limb shear wall according to claim 6, it is characterized in that: described energy dissipating surrender beam section (2) adopts common iron or Low Yield Point Steel, the yield point of energy dissipating surrender beam section (2) is lower than non-surrender beam section (1).
8. a kind of replaceable steel coupling beam double-layer plate high-strength concrete combination joins limb shear wall according to claim 1, it is characterized in that: described replaceable steel coupling beam also comprises junction plate (4) and high-strength bolt (3), energy dissipating surrender beam section (2) is connected with non-surrender beam section (1) with high-strength bolt by junction plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504037.9U CN203475642U (en) | 2013-08-16 | 2013-08-16 | Coupled shear wall combining replaceable steel coupling beam and dual-layer steel plate high-strength concrete |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320504037.9U CN203475642U (en) | 2013-08-16 | 2013-08-16 | Coupled shear wall combining replaceable steel coupling beam and dual-layer steel plate high-strength concrete |
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| CN203475642U true CN203475642U (en) | 2014-03-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778019A (en) * | 2019-10-19 | 2020-02-11 | 重庆大学 | Novel replaceable RC connecting beam |
| CN113404180A (en) * | 2021-06-09 | 2021-09-17 | 中国建筑第八工程局有限公司 | Coupling shear wall structure capable of being repaired and replaced after earthquake of coupling beam floor slab |
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2013
- 2013-08-16 CN CN201320504037.9U patent/CN203475642U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778019A (en) * | 2019-10-19 | 2020-02-11 | 重庆大学 | Novel replaceable RC connecting beam |
| CN110778019B (en) * | 2019-10-19 | 2024-04-12 | 重庆大学 | Novel removable RC even roof beam |
| CN113404180A (en) * | 2021-06-09 | 2021-09-17 | 中国建筑第八工程局有限公司 | Coupling shear wall structure capable of being repaired and replaced after earthquake of coupling beam floor slab |
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Granted publication date: 20140312 Termination date: 20160816 |