CN204898945U - Shaped steel concrete shear force wall and toe of wall component with removable toe of wall component - Google Patents
Shaped steel concrete shear force wall and toe of wall component with removable toe of wall component Download PDFInfo
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- CN204898945U CN204898945U CN201520476530.3U CN201520476530U CN204898945U CN 204898945 U CN204898945 U CN 204898945U CN 201520476530 U CN201520476530 U CN 201520476530U CN 204898945 U CN204898945 U CN 204898945U
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Abstract
The utility model discloses a shaped steel concrete shear force wall and toe of wall component with removable toe of wall component, shear force wall embed shaped steel, and the bottom of shaped steel and the shear force between lower floor's floor member have been reserved the toe of wall on the wall and has been settled the chamber, and the toe of wall settles the intracavity to install detachable toe of wall member, and the top of toe of wall member links to each other with the bottom of shaped steel, and the bottom of toe of wall member links to each other with lower floor floor member, the toe of wall component includes U template card and energy dissipation spring, and the bilateral symmetry processing of U template card has the draw -in groove that link up, connector plates is all installed at the both ends of energy dissipation spring, and the connector plates card makes the energy dissipation spring mounting inside U template card in the outside of draw -in groove. Guarantee that female wall is whole not bad, the toe of wall component can be changed many times, and the antidetonation function is the characteristic of recovering rapidly.
Description
Technical field
The utility model belongs to building engineering field, relates generally to steel reinforced concrete shear walls, is specifically related to a kind of steel reinforced concrete shear walls with replaceable toe of wall component and toe of wall component.
Background technology
Shear wall structure in current Practical Project is under geological process, and shear wall bottom section there occurs heavy damage, although shear wall structure total Collapse can not occur, but after shake, repair is difficult to carry out, and have impact on the normal productive life of people.
The failure mode of shear wall mainly bending failure and shear failure under seismic combination effect, easily there is shear failure in ordinary reinforced concrete shear wall, foundation concrete comes off, and body of wall bottom level shear crack is likely through, and this destruction is unrepairable and can not continues to use, can only discard, in order to avoid shear wall generation shear failure, at reinforced concrete shear wall two ends balanced configuration shaped steel, bear horizontal force, reduce concrete shear stress, improve ductility and energy dissipation capacity.
Carry out Low-cycle Test to two ends configuration steel reinforced concrete shear walls, finally destroy because of crushing of concrete, belong to bending failure, destroy and mainly concentrate on wall limb both sides and root, namely toe of wall destroys the most serious.
Summary of the invention
For the deficiencies in the prior art; the application finds through large quantity research; if mild steel energy dissipation damper is replaced at destructible position; when parent wall opposing geological process, mild steel energy dissipation damper dissipates outside inputting seismic energy, protects parent wall from earthquake; after every secondary earthquake; timely replacing energy dissipation damper, repeatedly so, realizes the object of the fast quick-recovery of structural seismic function.Therefore, the purpose of this utility model is, provides a kind of steel reinforced concrete shear walls with replaceable toe of wall component and toe of wall component, and solution steel reinforced concrete shear walls is difficult to after disruption repair and can not continues the problem of use.
In order to realize above-mentioned task, the utility model adopts following technical scheme to be achieved:
A kind of steel reinforced concrete shear walls with replaceable toe of wall component, comprise shear wall, shear wall top connects upper floor component, shear wall bottom connects lower floor surface member, described shear wall built-in profile steel, the top of shaped steel connects with upper floor component, and the bottom of shaped steel does not connect with lower floor surface member;
Shear wall between the bottom of shaped steel and lower floor surface member is reserved with toe of wall placing chamber, and be provided with dismountable toe of wall component in toe of wall placing chamber, the top of toe of wall component is connected with the bottom of shaped steel, and the bottom of toe of wall component is connected with lower floor surface member;
Described toe of wall component comprises U-shaped board and energy dissipating spring, and the bilateral symmetry of U-shaped board is processed with through draw-in groove;
The two ends of energy dissipating spring are all provided with junction steel plate, and the outside that junction steel plate is stuck in draw-in groove makes energy dissipating spring fitting inner at U-shaped board.
The utility model also has distinguishes technical characteristic as follows:
Described junction steel plate is processed with bolt hole, bolt passing through bolt hole by toe of wall Components installation on the bottom of shaped steel and lower floor surface member.
Described U-shaped board and energy dissipating spring all adopt Low Yield Point Steel to make.
The yield strength of described shaped steel is identical with the yield strength of junction steel plate, and the yield strength of shaped steel is 2 times of the yield strength of U-shaped board.
The stiffness factor K of described energy dissipating spring
o=25 × 10
3kN/m.
The utility model also will protect a kind of toe of wall component, comprises U-shaped board and energy dissipating spring, and the bilateral symmetry of U-shaped board is processed with through draw-in groove;
The two ends of energy dissipating spring are all provided with junction steel plate, and the outside that junction steel plate is stuck in draw-in groove makes energy dissipating spring fitting inner at U-shaped board.
Described U-shaped board and energy dissipating spring all adopt Low Yield Point Steel to make.
The stiffness factor K of described energy dissipating spring
o=25 × 10
3kN/m.
The beneficial effects of the utility model are:
(I) non-resilient destruction all for shear wall can be focused on the toe of wall component place at toe of wall placing chamber place by the utility model, and ensure that parent wall entirety is not bad, toe of wall component can repeatedly be changed, the characteristic that function of seismic resistance recovers rapidly.
(II) the utility model adopts the lower removable toe of wall component of yield point to have stronger plastic strain and energy dissipation capacity, on the impact of structural performance within controlled range, the easy manufacturing, be convenient to installing/dismounting, material is cheap, the applicability requirement that structure is changed can be met, simple with the connection of structure, and its form of structure can according to Practical Project need carry out flexible design.
(III) the preferred I shaped steel of shaped steel of the utility model two ends configuration, not only can avoid shear wall generation shear failure but also can with the common stress deformation of toe of wall component of lower end.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of toe of wall component.
In figure, the implication of each label is: 1-shear wall, 2-upper floor component, 3-lower floor surface member, 4-shaped steel, 5-toe of wall placing chamber, 6-toe of wall component, 7-bolt;
(6-1)-U-shaped board, (6-2)-energy dissipating spring, (6-3)-draw-in groove, (6-4)-junction steel plate, (6-5)-bolt hole.
Below in conjunction with drawings and Examples, particular content of the present utility model is described in more detail.
Detailed description of the invention
Defer to technique scheme, below provide specific embodiment of the utility model, it should be noted that the utility model is not limited to following specific embodiment, all equivalents done on technical scheme basis all fall into protection domain of the present utility model.
Embodiment 1:
The present embodiment provides a kind of steel reinforced concrete shear walls with replaceable toe of wall component, as depicted in figs. 1 and 2, comprise shear wall 1, shear wall 1 top connects upper floor component 2, shear wall 1 bottom connects lower floor surface member 3, described shear wall 1 built-in profile steel 4, the top of shaped steel 4 connects with upper floor component 2, and the bottom of shaped steel 4 does not connect with lower floor surface member 3;
Shear wall 1 between the bottom of shaped steel 4 and lower floor surface member 3 is reserved with toe of wall placing chamber 5, dismountable toe of wall component 6 is installed in toe of wall placing chamber 5, the top of toe of wall component 6 is connected with the bottom of shaped steel 4, and the bottom of toe of wall component 6 is connected with lower floor surface member 3;
Described toe of wall component 6 comprises U-shaped board 6-1 and energy dissipating spring 6-2, and the bilateral symmetry of U-shaped board 6-1 is processed with through draw-in groove 6-3;
The two ends of energy dissipating spring 6-2 are all provided with junction steel plate 6-4, and the outside that junction steel plate 6-4 is stuck in draw-in groove 6-3 makes energy dissipating spring 6-2 be arranged on U-shaped board 6-1 inside.
Shaped steel 4 preferably I shaped steel, not only can avoid shear wall generation shear failure but also can with the common stress deformation of toe of wall component of lower end.
Toe of wall placing chamber 5 is the region destroyed according to the concrete shear force wall toe of wall of band shaped steel in two ends under geological process and determines.Shear wall 1 is because being cut out certain space, and cross section is weakened, the spacing with the horizontal distribution reinforcing bar in the shear wall 1 within the scope of toe of wall component 6 parallel height is reduced the reduction of the shear-carrying capacity compensating shear wall 1.
The bearing capacity of toe of wall component 6 remains basically stable with the toe of wall be replaced, and energy dissipation capacity is far longer than the energy dissipation capacity at the former toe of wall place be replaced, and can concentrate the seismic energy consuming outside input, and protection parent wall is not bad.
The size of U-shaped board 6-1 determines according to the size of toe of wall placing chamber 5.U-shaped board 6-1 bears pressure, and energy dissipating spring 6-2 bears pulling force; And the bearing capacity of the toe of wall component 6 of design equals the bearing capacity of former replaced part substantially, ensures that structural bearing capacity meets the demands, the energy dissipating ability of toe of wall component 6 can meet the requirement of the outside input seismic energy that dissipates.
Further, a block plate is welded in the bottom of shaped steel 4, steel plate is provided with the bolt 7 of some high strength, junction steel plate 6-4 is processed with bolt hole 6-5, on the bottom that toe of wall component 6 is arranged on shaped steel 4 through bolt hole 6-5 by bolt 7 and lower floor surface member 3.
Further, U-shaped board 6-1 and energy dissipating spring 6-2 all adopts Low Yield Point Steel to make.Low Yield Point Steel described in the utility model refers to the steel of yield strength lower than 180MPa, and typical Low Yield Point Steel is as 08F steel, and its yield point only has about 176MPa, and in all kinds of steel, its yield point is significantly on the low side.
Further, the yield strength of shaped steel 4 is identical with the yield strength of junction steel plate 6-4, and the yield strength of shaped steel 4 is 2 times of the yield strength of U-shaped board 6-1.
Further, the stiffness factor K of energy dissipating spring 6-2
o=25 × 10
3kN/m, energy efficiency now can reach about 75%.
The building structure high to appearance requirement can make a mould, is sealed up by toe of wall placing chamber 5, with cement sand plaster on mould, can reach requirement attractive in appearance.Under seismic action combination, toe of wall component 6, i.e. mild steel energy dissipation damper dissipation seismic energy, shear wall 1 keeps elasticity, plastic strain occurs toe of wall component 6 destroys, carry out reparation after shake in time to change, repairing the working procedure changed is the concrete first cutting destroyed at toe of wall placing chamber 5 place, then mould is taken out, the U-shaped board 6-1 and energy dissipating spring 6-2 that there occurs plastic strain are changed, identical with before of the U-shaped board 6-1 changed and energy dissipating spring 6-2, mould is continued to seal up toe of wall placing chamber 5, smear by cement mortar and repair position, can be repeatedly like this, simply, efficiently, the productive life level of fast quick-recovery people.
Steel reinforced concrete shear walls in sum with replaceable toe of wall component can in highrise building and the application of earthquake-prone region large-scale popularization, the utility model adopts international up-to-date aseismatic design concept, and on the impact of structural performance within controlled range, will there is important theory significance and wide application prospect.
Embodiment 2:
The present embodiment provides a kind of toe of wall component, and as shown in Figure 2, comprise U-shaped board 6-1 and energy dissipating spring 6-2, the bilateral symmetry of U-shaped board 6-1 is processed with through draw-in groove 6-3;
The two ends of energy dissipating spring 6-2 are all provided with junction steel plate 6-4, and the outside that junction steel plate 6-4 is stuck in draw-in groove 6-3 makes energy dissipating spring 6-2 be arranged on U-shaped board 6-1 inside.
Further, U-shaped board 6-1 and energy dissipating spring 6-2 all adopts Low Yield Point Steel to make.
Further, the stiffness factor K of energy dissipating spring 6-2
o=25 × 10
3kN/m.
Claims (5)
1. the steel reinforced concrete shear walls with replaceable toe of wall component, comprise shear wall (1), shear wall (1) top connects upper floor component (2), shear wall (1) bottom connects lower floor surface member (3), it is characterized in that: described shear wall (1) built-in profile steel (4), the top of shaped steel (4) connects with upper floor component (2), and the bottom of shaped steel (4) does not connect with lower floor surface member (3);
Shear wall (1) between the bottom of shaped steel (4) and lower floor surface member (3) is reserved with toe of wall placing chamber (5), dismountable toe of wall component (6) is installed in toe of wall placing chamber (5), the top of toe of wall component (6) is connected with the bottom of shaped steel (4), and the bottom of toe of wall component (6) is connected with lower floor surface member (3);
Described toe of wall component (6) comprises U-shaped board (6-1) and energy dissipating spring (6-2), and the bilateral symmetry of U-shaped board (6-1) is processed with through draw-in groove (6-3);
The two ends of energy dissipating spring (6-2) are all provided with junction steel plate (6-4), and the outside that junction steel plate (6-4) is stuck in draw-in groove (6-3) makes energy dissipating spring (6-2) be arranged on U-shaped board (6-1) inside.
2. as claimed in claim 1 with the steel reinforced concrete shear walls of replaceable toe of wall component, it is characterized in that: described junction steel plate (6-4) is processed with bolt hole (6-5), on the bottom that toe of wall component (6) is arranged on shaped steel (4) through bolt hole (6-5) by bolt (7) and lower floor surface member (3).
3., as claimed in claim 1 with the steel reinforced concrete shear walls of replaceable toe of wall component, it is characterized in that: described U-shaped board (6-1) and energy dissipating spring (6-2) all adopt Low Yield Point Steel to make.
4. a toe of wall component, is characterized in that: comprise U-shaped board (6-1) and energy dissipating spring (6-2), and the bilateral symmetry of U-shaped board (6-1) is processed with through draw-in groove (6-3);
The two ends of energy dissipating spring (6-2) are all provided with junction steel plate (6-4), and the outside that junction steel plate (6-4) is stuck in draw-in groove (6-3) makes energy dissipating spring (6-2) be arranged on U-shaped board (6-1) inside.
5. toe of wall component as claimed in claim 4, is characterized in that: described U-shaped board (6-1) and energy dissipating spring (6-2) all adopt Low Yield Point Steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476530.3U CN204898945U (en) | 2015-07-06 | 2015-07-06 | Shaped steel concrete shear force wall and toe of wall component with removable toe of wall component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476530.3U CN204898945U (en) | 2015-07-06 | 2015-07-06 | Shaped steel concrete shear force wall and toe of wall component with removable toe of wall component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204898945U true CN204898945U (en) | 2015-12-23 |
Family
ID=54921132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476530.3U Expired - Fee Related CN204898945U (en) | 2015-07-06 | 2015-07-06 | Shaped steel concrete shear force wall and toe of wall component with removable toe of wall component |
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|---|---|
| CN (1) | CN204898945U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003004A (en) * | 2015-07-06 | 2015-10-28 | 西安建筑科技大学 | Sectional steel concrete shear wall with replaceable wall toe component and wall toe component |
| CN108951908A (en) * | 2018-07-25 | 2018-12-07 | 西安建筑科技大学 | It is a kind of with wave energy consumption column frame-shear-wall structure |
| CN110005096A (en) * | 2019-03-13 | 2019-07-12 | 北京交通大学 | A kind of built-in shape memory alloy self-resetting concrete shear force wall |
-
2015
- 2015-07-06 CN CN201520476530.3U patent/CN204898945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003004A (en) * | 2015-07-06 | 2015-10-28 | 西安建筑科技大学 | Sectional steel concrete shear wall with replaceable wall toe component and wall toe component |
| CN105003004B (en) * | 2015-07-06 | 2017-05-03 | 西安建筑科技大学 | Sectional steel concrete shear wall with replaceable wall toe component and wall toe component |
| CN108951908A (en) * | 2018-07-25 | 2018-12-07 | 西安建筑科技大学 | It is a kind of with wave energy consumption column frame-shear-wall structure |
| CN110005096A (en) * | 2019-03-13 | 2019-07-12 | 北京交通大学 | A kind of built-in shape memory alloy self-resetting concrete shear force wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |