CN202017279U - Combined structure of shear wall formed by filling engineering fiber reinforced cementitious composites (ECC) concrete into rigid connection steel frame - Google Patents
Combined structure of shear wall formed by filling engineering fiber reinforced cementitious composites (ECC) concrete into rigid connection steel frame Download PDFInfo
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- CN202017279U CN202017279U CN2011201096840U CN201120109684U CN202017279U CN 202017279 U CN202017279 U CN 202017279U CN 2011201096840 U CN2011201096840 U CN 2011201096840U CN 201120109684 U CN201120109684 U CN 201120109684U CN 202017279 U CN202017279 U CN 202017279U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model discloses a combined structure of a shear wall formed by filling engineering fiber reinforced cementitious composites (ECC) concrete into a rigid connection steel frame. The combined structure comprises the rigid connection steel frame consisting of steel frame beams and steal frame columns; and shear connectors are uniformly arranged at the inner periphery of the steel frame, and the ECC concrete is poured in the steel frame so as to form the shear wall. Therefore, by effectively using the characteristics of the steel frame and the ECC shear wall, the advantage of the mechanical property of materials can be fully exerted, and the ductility and the earthquake resistance performance of a structure can be improved.
Description
Technical field
The utility model belongs to the combining structure of building field, relates to a kind of novel combining form, is specifically related to a kind of steel frame inside that is rigidly connected and builds in the steel frame that ductility high performance concrete (ECC) forms and fill out ECC shear wall combining structure.
Background technology
Along with economic prosperity and scientific and technological progress, highrise building has become the symbol of a city even a country.Advantages such as steel framed structure has flexible arrangement, and ductility is good, and the space is big are used more in highrise building.But the anti-side rigidity of steel frame is little, and distortion requires the turning power height to node greatly under rarely occurred earthquake.For improving the endurance and stiffness of steel frame, this combination construction system of steel frame concrete filled shear wall (SRCW) is developed.Steel frame bears most of vertical load and overturning moment in this system, fills shear wall and bears most of shearing, has effectively utilized the advantage of two kinds of materials to a certain extent.But because inner concrete shear force wall rigidity of filling is bigger, shear brittleness takes place easily destroy, concrete filled is in case cracking causes bearing capacity of wall body and rigidity to descend significantly, the shearing that this moment, structure was born is born by steel frame, makes structure reach collapse state rapidly.As seen, though steel frame concrete filled shear wall structure has increased the rigidity of steel framed structure, but fail to give full play to the advantage of steel and these two kinds of materials of concrete, seeking ductility is good, energy dissipation capacity is strong packing material, to improve the stress performance of this combining structure significant.
There are some researches show, ductility high performance concrete (ECC, Engineering fiber reinforced Cementitious Composites) is a kind of high tenacity concrete, has very big endergonic ability, can significantly improve the anti-seismic performance and the shear behavior of concrete shear force wall.Under the axial tension load, the load-deformation curve of ECC material shows tangible strain hardening feature, before test specimen destroys, present and many fine and closely woven cracks occurred, its limit tensile strain can reach more than 3%, is more than 100 times of ordinary concrete, is more than 10 times of reinforcement yielding strain; Be unworthy of under the situation of shear reinforcement, the ECC beam exceeds about 0.5 times than reinforcing bar normal concrete beams bearing capacity, and deformability improves more than 2 times; The ECC plate can show the buckling phenomenon as steel when being subjected to bend.This shows, the bending resistance of ECC excellence, shear behavior and steel comparison match, the ECC shear wall is used for steel framed structure, can increase the lateral rigidity of steel framed structure, improve the plastic deformation ability of shear wall, alleviate the destructiveness of steel frame node, improve structural seismic performance, have most important theories meaning and construction value.
Summary of the invention
There are defective or deficiency at existing steel frame concrete filled shear wall (SRCW) structure, the purpose of this utility model is, provide and fill out ductility high performance concrete shear wall combining structure in a kind of steel frame that is rigidly connected, adopt this structure can effectively utilize the characteristics of steel frame and ECC shear wall, give full play to the mechanical property advantage of material, improve the ductility and the anti-seismic performance of structure.
In order to realize above-mentioned technical assignment, the utility model adopts following technical scheme:
Fill out ductility high performance concrete shear wall combining structure in a kind of steel frame that is rigidly connected, comprise the steel frame of forming by steel-frame beam and Steel Frame Column, it is characterized in that, in the steel frame inner rim evenly is provided with shear connector and steel frame, build the shear wall that the ductility high performance concrete constitutes.
Other characteristics of the present utility model are:
Described steel-frame beam and Steel Frame Column all adopt H shaped steel to be welded, and the node of steel-frame beam and Steel Frame Column is for being rigidly connected.
Be furnished with horizontal reinforcement and vertical reinforcement in the described ductility high performance concrete.
Described shear connector adopts peg or channel-section steel.
Fill out ductility high performance concrete shear wall combining structure in the steel frame that is rigidly connected of the present utility model, the technique effect that brings is:
The ductility high performance concrete (ECC) of 1, building in the steel frame; wherein about 50% cement can use flyash, silicon ash to replace, and this had both saved a large amount of resources and the energy, had protected ecological environment; promote durability again significantly, prolonged the service life of material and structure.
2, the ECC modulus of elasticity is about 2/3 of ordinary concrete, adopts the ECC shear wall can reduce the rigidity of concrete filled shear wall, makes that the internal force distribution between steel frame and the shear wall is more reasonable.
3, ECC has good plastic deformation ability, and density is about 2000kg/m
3, adopt the ECC shear wall can reduce dead load, significantly improve structure ductility and anti-seismic performance simultaneously.
4, ECC has good Crack Control ability, fills out in the steel frame to be convenient to repair and replace damaged component after the ECC shear wall structure is shaken.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model;
Fig. 2 is the A partial enlarged drawing among Fig. 1;
Fig. 3 is an ECC shear wall arrangement of reinforcement schematic diagram; Wherein, the bottom right is a front view, and the left side is a B-B sectional view in the front view, is C-C sectional view in the front view above.
With embodiment the utility model is elaborated with reference to the accompanying drawings.
The specific embodiment
With reference to figure 1 ~ Fig. 3, present embodiment provides and fills out ductility high performance concrete shear wall combining structure in a kind of steel frame that is rigidly connected, comprise the steel frame of forming by steel-frame beam 1 and Steel Frame Column 2, in the steel frame inner rim evenly is provided with shear connector 3 and steel frame, build the shear wall that ductility high performance concrete 04 constitutes.
Steel-frame beam 01 and Steel Frame Column 02 all adopt H shaped steel to be welded, and the node of steel-frame beam 01 and Steel Frame Column 02 is for being rigidly connected.The mode that is rigidly connected is made with reference to existing national regulation and rules.Steel frame is connected at strong direction of principal axis with ductility shear wall (ECC), bears whole vertical loads of structure, is furnished with horizontal reinforcement and vertical reinforcement in the ductility high performance concrete 04.Horizontal reinforcement and vertical reinforcement should calculate and structure requirement setting by shear-carrying capacity.Ductility shear wall (ECC) has higher energy absorption capability, ductility high performance concrete 04 in the shear wall (ECC) that the requirement cast is used in the present embodiment is disposed by a certain percentage by PVA fiber, industrial waste (flyash), clinker, fine sand and water and forms, and should have stable pulling strain hardening characteristic.
Shear connector 3 adopts peg or channel-section steel.Peg or channel-section steel, spacing calculate according to the countries concerned's standard to be determined.
The beam column connected mode is for being rigidly connected, and these connected modes should meet the requirement of the concerned countries standard of field of steel structure.
Claims (4)
1. fill out ductility high performance concrete shear wall combining structure in the steel frame that is rigidly connected, comprise the steel frame of forming by steel-frame beam (01) and Steel Frame Column (02), it is characterized in that, in the steel frame inner rim evenly is provided with shear connector (03) and steel frame, build the shear wall that ductility high performance concrete (04) constitutes.
2. fill out ductility high performance concrete shear wall combining structure in the steel frame that is rigidly connected as claimed in claim 1, it is characterized in that, described steel-frame beam (01) and Steel Frame Column (02) all adopt H shaped steel to be welded, and the node of steel-frame beam (01) and Steel Frame Column (02) is for being rigidly connected.
3. fill out ductility high performance concrete shear wall combining structure in the steel frame that is rigidly connected as claimed in claim 1, it is characterized in that, be furnished with horizontal reinforcement and vertical reinforcement in the described ductility high performance concrete (04).
4. fill out ductility high performance concrete shear wall combining structure in the steel frame that is rigidly connected as claimed in claim 1, it is characterized in that, described shear connector (03) adopts peg or channel-section steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201096840U CN202017279U (en) | 2011-04-14 | 2011-04-14 | Combined structure of shear wall formed by filling engineering fiber reinforced cementitious composites (ECC) concrete into rigid connection steel frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201096840U CN202017279U (en) | 2011-04-14 | 2011-04-14 | Combined structure of shear wall formed by filling engineering fiber reinforced cementitious composites (ECC) concrete into rigid connection steel frame |
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| Publication Number | Publication Date |
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| CN202017279U true CN202017279U (en) | 2011-10-26 |
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| CN2011201096840U Expired - Fee Related CN202017279U (en) | 2011-04-14 | 2011-04-14 | Combined structure of shear wall formed by filling engineering fiber reinforced cementitious composites (ECC) concrete into rigid connection steel frame |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888910A (en) * | 2012-11-04 | 2013-01-23 | 西安建筑科技大学 | High-elongation fiber concrete combined frame filled wall and construction method thereof |
| CN102912937A (en) * | 2012-11-04 | 2013-02-06 | 西安建筑科技大学 | Embedded type steel high-ductility fiber concrete combination column |
| CN108589969A (en) * | 2018-05-14 | 2018-09-28 | 长安大学 | A kind of combination assembled shear wall and preparation method thereof of the vertical ECC energy consumptions band of band |
-
2011
- 2011-04-14 CN CN2011201096840U patent/CN202017279U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888910A (en) * | 2012-11-04 | 2013-01-23 | 西安建筑科技大学 | High-elongation fiber concrete combined frame filled wall and construction method thereof |
| CN102912937A (en) * | 2012-11-04 | 2013-02-06 | 西安建筑科技大学 | Embedded type steel high-ductility fiber concrete combination column |
| CN102888910B (en) * | 2012-11-04 | 2014-11-26 | 西安建筑科技大学 | High-elongation fiber concrete combined frame filled wall and construction method thereof |
| CN102912937B (en) * | 2012-11-04 | 2015-05-20 | 西安建筑科技大学 | Embedded type steel high-ductility fiber concrete combination column |
| CN108589969A (en) * | 2018-05-14 | 2018-09-28 | 长安大学 | A kind of combination assembled shear wall and preparation method thereof of the vertical ECC energy consumptions band of band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20120414 |