CN108755940A - A kind of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system - Google Patents

A kind of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system Download PDF

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Publication number
CN108755940A
CN108755940A CN201810761533.XA CN201810761533A CN108755940A CN 108755940 A CN108755940 A CN 108755940A CN 201810761533 A CN201810761533 A CN 201810761533A CN 108755940 A CN108755940 A CN 108755940A
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China
Prior art keywords
steel
concrete
framed bent
core
walls structure
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CN201810761533.XA
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Chinese (zh)
Inventor
周靖
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN201810761533.XA priority Critical patent/CN108755940A/en
Publication of CN108755940A publication Critical patent/CN108755940A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19Three-dimensional framework structures
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/34Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability

Abstract

The present invention relates to a kind of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural systems, including:Several steel framed bent beams, several steel core concrete columns, Reinforced Concrete Core Walls Structure and several layer concrete floors;Bolt and two steel core concrete column vertical articulations, the both ends of part steel framed bent beam are used to use the shear wall vertical articulation of bolt and steel core concrete column and Reinforced Concrete Core Walls Structure respectively respectively in the both ends of part steel framed bent beam;It is ridden upon on several steel framed bent beams of same level per layer concrete floor, forms integral cover.The structural system greatly reduces the site welding workload for even reducing or remitting steel framed bent beam, and then improve speed of application by the bolted splice of steel framed bent beam connecting node.It can also significantly relax story drift limit value, the adjustment seismic design of structures Con trolling index such as floor counter-cut rates and steel core concrete column seismic shear share ratio, increase the structural vibration period, reduce antidetonation investment.Belong to high building structure field.

Description

A kind of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system
Technical field
The present invention relates to high building structure field more particularly to a kind of steel core concrete column framed bent-armored concrete cores Heart barrel structure system.
Background technology
Outer framework (such as steel core concrete column frame, steel frame or reinforced concrete frame) and internal Reinforced Concrete Core Cylinder mixing tall structures tie up to has many research and engineer application both at home and abroad, using very wide especially in high-rise building It is general.The considerations of for two defence line of antidetonation, code for structural design have a minimum value regulation to the seismic shear share rate of outer framework, and one As the node of outer frame portion (including outline border trestle and outline border are set a roof beam in place) fully ensure that outline border trestle has by being rigidly connected Certain anti-side rigidity.But outer framework reaches minimum earthquake the Shear requirement and is not easy in structure design, usually needs Increase the sectional dimension of outline border trestle to meet this code requirement, the method is easy to cause " fat beams and columns ", increases construction cost And construction workload, and the column of outer framework is seriously limited away from the innovation of limit structural form.Steel core concrete column or steel frame The rigid joint of column and girder steel is usually based on welding, this causes, and site welding heavy workload, installation is complicated, working hour is long, one Determine to counteract the advantage of assembled steel grid beam in degree.In consideration of it, developing framed bent outside the assembled connected with bolted splice, by pole The earth promotes the building industrialization level of such structural system.
With the assembled steel framed bent beam-steel core concrete column-Reinforced Concrete Core Walls Structure structural system of bolted splice, i.e., Steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system, hence it is evident that different steel core concrete column frame-reinforced concretes Native core wall structure system.The former is using the big advantage of Reinforced Concrete Core Walls Structure anti-side, torsional rigidity, by steel core concrete column Mixed Architecture is formed by the bolted splice of steel framed bent beam with Reinforced Concrete Core Walls Structure.Outer bent columns are to be solely subjected to gravity " the gravity column " of load, horizontal loads are undertaken by Reinforced Concrete Core Walls Structure completely, and each component stress of structure is clear, does not have to Be entangled in outer framework shearing share than adjustment, simplify structured design process, improve structure design flexibility, be also structure shape The innovation of formula provides the foundation;Site welding workload, lifting construction speed can significantly be lowered, solve steel core concrete column frame The shortcomings that outer frame portion speed of application of frame-Reinforced Concrete Core Walls Structure structural system lags behind Reinforced Concrete Core Walls Structure, Have the characteristics that part building industrialization is built.
Invention content
For the technical problems in the prior art, the purpose of the present invention is:A kind of steel core concrete column row is provided Frame-Reinforced Concrete Core Walls Structure structural system, the structural system is by the bolted splice of steel framed bent beam connecting node, greatly The site welding workload for even reducing or remitting steel framed bent beam is reduced, and then improves speed of application.It can also significantly relax relative storey displacement Angle limit value, the adjustment seismic design of structures Con trolling index such as floor counter-cut rates and steel core concrete column seismic shear share ratio, increase The structural vibration period reduces antidetonation investment.
In order to achieve the above object, the present invention adopts the following technical scheme that:
A kind of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system, including:It is several steel framed bent beams, several Steel core concrete column, Reinforced Concrete Core Walls Structure and several layer concrete floors;Bolt is used respectively in the both ends of part steel framed bent beam Use bolt and steel core concrete column and reinforcing bar mixed respectively with the both ends of two steel core concrete column vertical articulations, part steel framed bent beam The shear wall vertical articulation of solidifying soil Core Walls Structure;Several steel framed bent beams positioned at same level are ridden upon per layer concrete floor On, form integral cover.Reinforced Concrete Core Walls Structure also bears structure whole horizontal loads in addition to undertaking vertical load Bearing capacity and stiffness, have the collapse resistant capacity of plasticity energy consumption and distortion.Steel core concrete column is to be subjected only to vertical load without holding The antigravity column of bending moment effect, does not consider sharing for seismic shear.Each component stress of the structural system is clear, node connects Simple structure greatly reduces even that the deduction and exemption site welding workload of steel framed bent beam, speed of application are fast, are suitble to prefabricated construction And building industrialization requirement, it can significantly relax story drift limit value, adjustment floor counter-cut rates and steel core concrete column earthquake The seismic design of structures Con trolling index such as share ratio are sheared, increases the structural vibration period, reduce antidetonation investment.
Preferably, hinged joint is that single bolted splice or more bolts are equivalent hinged.
Preferably, when hinged joint is single bolted splice, steel framed bent beam includes two sections of cantilever segments and interlude at both ends, is hanged Arm section is anchored on the shear wall of Frame Joints of Concrete-Filled Steel Tube link position and/or Reinforced Concrete Core Walls Structure, interlude with it is outstanding Pass through single bolted splice between arm section.After this structure, steel framed bent beam is not subject to, transmits moment of flexure, without to meet ductility Demand and the thickness for increasing steel plate.
Preferably, it is mixed in Frame Joints of Concrete-Filled Steel Tube link position or reinforcing bar when hinged joint is that more bolts are equivalent hinged Anchoring has cantilever pendant, the both ends of steel framed bent beam to pass through the equivalent hinge of more bolts with cantilever pendant on the shear wall of solidifying soil Core Walls Structure It connects.
Preferably, concrete floor is partly poured by precast concrete laminated floor slab scene.After this structure, in advance Concrete folding part processed can be used as bed die, reduce site workload, improve working efficiency, and the whole energy of concrete floor system can Rigidity and bearing capacity by transmitting horizontal loads.
Preferably, concrete floor is cast-in-place concrete floor made of cast in situs.
Preferably, further include precast concrete wall panel, precast concrete wall panel is suspended below steel framed bent beam.
Preferably, between precast concrete wall panel and steel core concrete column, precast concrete wall panel and armored concrete core It is all provided with and has the gap between the shear wall of heart cylinder, the deformable material of dual-component polyurethane fluid sealant etc is filled in gap.Using After this structure, deformable materials can reduce the rigidity of structure, improve the increased adaptability of structure overall deformation and anti-seismic performance, subtract The adverse effect of the few external framed bent part of wall (i.e. steel framed bent beam and steel core concrete column) antidetonation.
Generally speaking, the invention has the advantages that:
1. the connecting node of steel framed bent beam and the shear wall of steel core concrete column, steel framed bent beam and Reinforced Concrete Core Walls Structure Seldom even without welding job amount, construction site is only bolted for simple structure, scene, and assembling speed is fast, full Sufficient building industrialization requirement, can effectively solve the disadvantage that outer frame portion speed of application lags behind Reinforced Concrete Core Walls Structure.
2. relative to steel core concrete column frame-Reinforced Concrete Core Walls Structure structural system, steel core concrete column framed bent- The anti-side rigidity that the shaketalle test result of Reinforced Concrete Core Walls Structure structural system confirms structure entirety reduces, can be significantly Relax story drift limit value, adjusts floor counter-cut rates and outer framed bent steel core concrete column divides the designs control such as seismic shear absorption rate Index processed increases the structure fundamental vibration period, reduces antidetonation investment.
3. steel core concrete column is " the gravity column " for being solely subjected to gravity laod, it is not subject to moment of flexure, material is fully used, The sectional dimension of outer bent columns can be reduced;Steel framed bent beam-ends is not subject to, transmits moment of flexure, without adding to meet ductility energy consumption demand Big steel plate thickness;Under violent earthquake effect, steel core concrete column and steel framed bent beam can be maintained at elastic stage, can guarantee structure Residual bearing capacity maintain certain level, prevent partly or wholly collapsing for structure.
4. horizontal loading is undertaken by Reinforced Concrete Core Walls Structure completely, Reinforced Concrete Core Walls Structure bears structure whole water The bearing capacity and stiffness of flat load action has the collapse resistant capacity of plasticity energy consumption and distortion;Each component stress of structure is clear, without entangling It ties in the adjustment of outer framed bent part seismic shear rate, design processes simplified, the flexibility for improving structure design and novelty.
5. floor system uses the preferable cast-in-place concrete floor of globality or precast concrete laminated floor slab, it is contemplated that mixed Solidifying contribution of the Tulou plate to anti-side rigidity, bearing capacity, is designed by combination beam, without hogging moment area, without checking fracture width.
6. precast concrete wall panel is suspended under steel framed bent beam, side reserving gaps fill deformable material to reduce structure Rigidity, can reduce contribution of the precast concrete wall panel to structure anti-side rigidity, improve the increased adaptability of structure overall deformation and Anti-seismic performance reduces the adverse effect of the external framed bent part antidetonation of wall.
7. after earthquake, precast concrete laminated floor slab, precast concrete wall panel and the steel of local plastic deformation are produced Framed bent beam etc. can be replaced easily, and repair after shake is conducive to.
8. steel framed bent beam, suspension type precast concrete wall panel, precast concrete laminated floor slab etc. can be in the advance scales of factory Change completes, and unified standard, production precision height, quality can be produced for different beam cross-sections and is easy to control, saves resource; Transport to building-site lifts, and can reduce the field operation amount of node, improve industrialized construction degree.
Description of the drawings
Fig. 1 is the floor map of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structure.
Fig. 2 is the diagrammatic cross-section of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structure.
Fig. 3 be steel framed bent beam cantilever segment and interlude between single bolted splice schematic diagram.
Fig. 4 is the equivalent hinged schematic diagram of more bolts between steel framed bent beam and shear wall.
Fig. 5 is the stress diagram of Fig. 4.
Label and corresponding parts title in figure are:1 is steel core concrete column, and 2 be Reinforced Concrete Core Walls Structure Shear wall, 3 be steel framed bent beam, and 4 be cast-in-place concrete floor/precast concrete laminated floor slab, and 5 be precast concrete wall panel, and 6 are The cantilever segment of steel framed bent beam, 7 be single bolted splice node, and 8 be more bolted splice nodes, and 9 be cantilever pendant, the h in Fig. 5pFor Cantilever pendant is high, and e is the spacing for being bolted dot center and extremely anchoring stress point, and V is Shear force within the beam end, and arrow direction indicates, in figure Parts marked as 1 (2) indicate that this parts can be parts 1 or parts 2.
Specific implementation mode
It is next with reference to the accompanying drawings and examples that the present invention will be further described in detail.
Embodiment 1
One steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structure, it is 300 meters high, including:Several steel framed bent beams, If cast-in-place concrete floor made of several steel core concrete columns, Reinforced Concrete Core Walls Structure, dried layer cast in situs and prefabricated mixed Solidifying cob wall plate.As shown in Figure 1, steel core concrete column is arranged into square-shaped planar around concrete core cylinder, wherein between per side etc. Away from equipped with four steel core concrete columns.
As shown in figure 3, in the present embodiment, hinged joint is single bolted splice, and steel framed bent beam includes two sections of cantilevers at both ends Section and interlude, cantilever segment are anchored at the shear wall of Frame Joints of Concrete-Filled Steel Tube link position and Reinforced Concrete Core Walls Structure in advance On, single bolted splice will be passed through between interlude and cantilever segment again at the construction field (site).It is ridden upon per layer concrete floor positioned at same On several steel framed bent beams of one horizontal plane, integral cover is formed.Finally precast concrete wall panel is suspended below steel framed bent beam, And between precast concrete wall panel and steel core concrete column, the shear wall of precast concrete wall panel and Reinforced Concrete Core Walls Structure Between gap in the deformable dual-component polyurethane fluid sealant of filling.Obtain whole steel core concrete column framed bent-reinforced concrete Native core wall structure.
Embodiment 2
As shown in figure 4, in the present embodiment, hinged joint is that more bolts are equivalent hinged, and cantilever pendant is anchored at steel pipe and is mixed On the shear wall of solidifying earth pillar node link position or Reinforced Concrete Core Walls Structure.When steel framed bent beam is installed, the both ends of steel framed bent beam It is equivalent hinged by more bolts with cantilever pendant.In the present embodiment, concrete floor is by precast concrete laminated floor slab scene It pours.Using precast concrete laminated floor slab, site workload is reduced, improves construction efficiency.
Part is not referred in the present embodiment with embodiment 1, details are not described herein again.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications, Equivalent substitute mode is should be, is included within the scope of the present invention.

Claims (8)

1. a kind of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system, which is characterized in that including:Several steel rows It sets a roof beam in place, several steel core concrete columns, Reinforced Concrete Core Walls Structure and several layer concrete floors;The both ends of part steel framed bent beam point Not Yong bolt and two steel core concrete column vertical articulations, bolt and steel core concrete column are used in the both ends of part steel framed bent beam respectively With the shear wall vertical articulation of Reinforced Concrete Core Walls Structure;Several steel positioned at same level are ridden upon per layer concrete floor On framed bent beam.
2. steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system described in accordance with the claim 1, feature exist In:Hinged joint is that single bolted splice or more bolts are equivalent hinged.
3. steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system, feature exist according to claim 2 In:When hinged joint is single bolted splice, steel framed bent beam includes that two sections of cantilever segments at both ends and interlude, cantilever segment are anchored at steel On the shear wall of pipe concrete Column border node link position and/or Reinforced Concrete Core Walls Structure, pass through between interlude and cantilever segment Single bolted splice.
4. steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system, feature exist according to claim 2 In:When hinged joint is that more bolts are equivalent hinged, in Frame Joints of Concrete-Filled Steel Tube link position or Reinforced Concrete Core Walls Structure Anchoring has cantilever pendant, the both ends of steel framed bent beam equivalent hinged by more bolts with cantilever pendant on shear wall.
5. steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system described in accordance with the claim 1, feature exist In:Concrete floor is formed by half cast in situs of precast concrete laminated floor slab.
6. steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system described in accordance with the claim 1, feature exist In:Concrete floor is cast-in-place concrete floor made of cast in situs.
7. steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system described in accordance with the claim 1, feature exist In:Further include precast concrete wall panel, precast concrete wall panel is suspended below steel framed bent beam.
8. steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system, feature exist according to claim 7 In:Between precast concrete wall panel and steel core concrete column, the shear wall of precast concrete wall panel and Reinforced Concrete Core Walls Structure Between be all provided with and have the gap, dual-component polyurethane fluid sealant is filled in gap.
CN201810761533.XA 2018-07-12 2018-07-12 A kind of steel core concrete column framed bent-Reinforced Concrete Core Walls Structure structural system Pending CN108755940A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112696078A (en) * 2020-12-26 2021-04-23 北京工业大学 Frame-core tube energy dissipation system with distributed swinging core tubes
CN112696077A (en) * 2020-12-26 2021-04-23 北京工业大学 Frame-core tube energy dissipation and shock absorption structure system with multi-pendulum tuning core tube
CN112814163A (en) * 2021-01-07 2021-05-18 中国二十冶集团有限公司 Construction method of building without template

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112696078A (en) * 2020-12-26 2021-04-23 北京工业大学 Frame-core tube energy dissipation system with distributed swinging core tubes
CN112696077A (en) * 2020-12-26 2021-04-23 北京工业大学 Frame-core tube energy dissipation and shock absorption structure system with multi-pendulum tuning core tube
CN112814163A (en) * 2021-01-07 2021-05-18 中国二十冶集团有限公司 Construction method of building without template
CN112814163B (en) * 2021-01-07 2022-07-08 中国二十冶集团有限公司 Construction method of building without template

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