CN207063226U - Precast reinforced concrete shear wall - Google Patents
Precast reinforced concrete shear wall Download PDFInfo
- Publication number
- CN207063226U CN207063226U CN201720190683.0U CN201720190683U CN207063226U CN 207063226 U CN207063226 U CN 207063226U CN 201720190683 U CN201720190683 U CN 201720190683U CN 207063226 U CN207063226 U CN 207063226U
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- Prior art keywords
- shear wall
- reinforced concrete
- shaped steel
- precast reinforced
- lower section
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Abstract
The utility model provides a kind of precast reinforced concrete shear wall, including upper section shear wall and lower section shear wall, Coupling is embedded with the upper section shear wall, it is embedded with the lower section shear wall and is revealed in outer section bar, the section bar adaptation is penetrated in the Coupling and is connected with each other in grouting in the Coupling and then the upper section shear wall with lower section shear wall.The utility model to solve the problems, such as the difficult insertion of reinforcing bar and difficult centering, and further provides for joint efficiency of constructing by the way that " the scattered connected mode " of reinforcing bar to be improved to " the concentration connected mode " of shaped steel.
Description
Technical field
The utility model belongs to construction engineering technical field, and in particular to a kind of precast reinforced concrete shear wall.
Background technology
Compared to cast-in-place concrete structure, there is prefabricated assembled concrete structure low in resources consumption, environment to influence low, work
The characteristics of productivity ratio is high, there is significant economic and social benefit, be the developing direction of the current building industrialization construction in China.With
For cast-in-place shear wall structure as Frame-Shear Wall, precast shear wall structure is suitable for high residential building, and precast frame-cut
Power wall is suitable for office and market room., it is necessary to solve two key technologies for precast shear wall horizontal integration portion
Problem：Vertical bar connection connects with horizontal joint.
The horizontal integration portion interconnection technique of the main flow of the current prefabricated assembled concrete shear wall in China includes：Reinforced bar sleeve
Grouting connection, reinforcing bar metal bellows slurry anchor overlap joint, tie hoop constraint reinforcing bar slurry anchor overlap joint, Bar Anchorage are in overlaid plate type wall
Body etc..
In view of current construction technology level and China's practitioner's quality, reinforcing bar insertion and centering in construction always be present
The problem of difficult.Typically, then frequently with " the long short wall limb of wall limb → segmentation, fine steel rib → bar reinforcement, double muscle → mono- in practice
The improvement way of row's muscle ".However, such way inevitably brings the cast-in-place perps of increase, reduces efficiency of construction, loss
A series of technological deficiencies such as the outer rigidity of wall plane.Also, even for common 3 meters or so and without end sleeper wall
Limb, vertical reinforcement still have 8 or so.End sleeper is such as included, then number of steel bars is more.Reinforcing bar inserts and centering is present quite
Difficulty.At a puss, then its position is corrected using heating reinforcing bar.What is more, then direct sawed-off reinforcing bar, to house safety belt
Carry out huge hidden danger.
Thus, research and development reasonable stress, easily Vertical bar connection technology of constructing are prefabricated assembling type reinforced to accelerating China
The development of concrete structure, has great importance.
Utility model content
The defects of to overcome present in prior art, a kind of precast reinforced concrete shear wall is now provided, by by reinforcing bar
" scattered connected mode " be improved to " the concentration connected mode " of shaped steel, to solve the problems, such as the difficult insertion of reinforcing bar and difficult centering, and
Further improve construction joint efficiency.
To achieve the above object, solution of the present utility model is：A kind of precast reinforced concrete shear wall is provided, wrapped
Section shear wall and lower section shear wall are included, Coupling is embedded with the upper section shear wall, is buried on the lower section shear wall
Have and be revealed in outer section bar, the section bar adaptation is penetrated in the Coupling and in grouting and then the epimere in the Coupling
Shear wall is connected with each other with lower section shear wall.
Preferably, seam is left between the upper section shear wall and the lower section shear wall, passes through the grout filling institute
State seam.
Preferably, the slurry that the grouting and the filled therewith use, it is high-strength, fast hard, microdilatancy, high flowability
Cement-based material.And then by described shaped steel sleeve grouting connection and the filled therewith of horizontal joint, realize that the epimere is cut
The stress transmission of power wall and the lower section shear wall.
Preferably, the seam is horizontal joint, and anti-shear steel plate is had additional in the middle part of the seam crossing.
Preferably, the both ends of the Coupling offer grout hole respectively.
Preferably, be equipped with embedded bar in the upper section shear wall and the lower section shear wall, the Coupling with
The embedded bar overlap joint of the upper section shear wall, the embedded bar of the section bar and the lower section shear wall overlap.
Preferably, the embedded bar includes the vertical reinforcement and horizontal reinforcement arranged along shear wall profile, the set
Fitting and the section bar overlap with the vertical reinforcement in respective shear wall respectively.
Preferably, the Coupling and the section bar are added in the range of being overlapped respectively with the vertical reinforcement by stirrup
It is solidly connected.The effect of enhancing overlap joint connection is encrypted with this.
Preferably, the surface soldered of the Coupling and the section bar has shearing-resistant member to increase the shearing resistance of respective component
Property.
Preferably, there are some annular friction ribs on the Coupling surface.
Preferably, the section bar is revealed in outer end and is provided with circular baffle plate.
Preferably, the Coupling is sleeve, and the section bar is shaped steel.
The beneficial effect of the utility model precast reinforced concrete shear wall includes：
1) construction convenient and efficient.The utility model proposes Vertical bar connection method only need respectively to insert two shaped steel
In sleeve corresponding to entering, then it is in the milk in two sleeves, its insertion is low with centering difficulty, and grouting efficiency is high.And mesh
Preceding existing rule of doing is disposably to insert more reinforcing bars of shear wall upper-lower section in respective sleeve respectively, is then filled one by one
Slurry, it is inserted and the difficulty of centering is big, and grouting efficiency is low；
2) reasonable stress.Compared to reinforced bar sleeve grouting and slurry anchor connection, shear wall stress under the utility model Moment
It is more efficient, and do not influence to be cut and staight scissors ability by tiltedly.Replace reinforcing bar by shaped steel and concentrate to be arranged in shear wall both ends, when
When producing Moment, the shaped steel of tension farther out, way is evenly arranged compared to reinforcing bar apart from neutral axis along shear wall length, by
Power is more reasonable.And tiltedly cut with staight scissors drag because force-mechanism is constant, therefore do not reduce bearing capacity；
3) effect of sleeve makes full use of.Sleeve has two effects, first, conventional effect, i.e., connect sleeve as grouting
A part, when shaped steel tension, strong constraint is played to the grouting material and shaped steel of its inside.Second, when grouting connection be in by
During pressure condition, sleeve can constrain internal grouting material, improve its compressive capacity.By contrast, existing reinforcing bar grouting at present
During connection or reinforcing bar anchor slurry connect, because part reinforcing bar grouting connection or the slurry connection of reinforcing bar anchor are located at shear wall cross section middle part, because
And second effect does not give full play to possessed by above-mentioned the application.
Brief description of the drawings
Fig. 1 is the overall decomposition texture schematic diagram of the utility model precast reinforced concrete shear wall；
Fig. 2 is the cross-sectional view at upper section shear wall A-A in corresponding diagram 1；
Fig. 3 is the cross-sectional view at lower section shear wall B-B in corresponding diagram 1；
Fig. 4 is the structural representation of the middle sleeve inwall of corresponding diagram 1.
Wherein：1-lower section shear wall, 2-upper section shear wall, vertical reinforcement in 3-lower section shear wall, 4-shaped steel, 5-
Sleeve, 6-upper section shear wall vertical reinforcement, the stirrup of 7-binding type steel and vertical reinforcement in lower section shear wall, 8-about collar
Cylinder and the stirrup of vertical reinforcement in upper section shear wall, the 9-lower flat reinforcing bar of section shear wall reclaimed water, 10-go up the flat steel of section shear wall reclaimed water
Muscle, 11-baffle plate, 12-annular friction rib.
Embodiment
The utility model is further illustrated below in conjunction with accompanying drawing illustrated embodiment.
As shown in figure 1, the utility model provide firstly a kind of precast reinforced concrete shear wall, including upper section shear wall
2 and lower section shear wall 1, realize that the reliability of wall vertical reinforcement stress is continuous by three sections of connections, that is, descend in section shear wall
Vertical reinforcement overlaps with shaped steel overlap joint, shaped steel sleeve grouting connection and sleeve with vertical reinforcement in upper section shear wall.Wherein,
Shaped steel 4 is embedded in lower section shear wall and is located at two ends, and sleeve 5 is embedded in section shear wall and is located at two ends.
The position correspondence of shaped steel 4 and sleeve 5.
Specifically, the pre-buried shaped steel 4 of both ends difference of lower section shear wall 1.Shaped steel 4 exposes one section of shear wall surface
Anchorage length, the end set baffle plate 11, to increase the resistance to plucking output capacity between shaped steel 4 and sleeve 5.The two of upper section shear wall 2
The pre-buried sleeve 5 of end difference.During assembling, upper section shear wall 2 is slowly put down, in the insertion sleeve 5 of shaped steel 4.Upper and lower shear wall
Horizontal joint is kept at a distance 20mm.Surrounded around seam using enclosing part.Then grouting material is injected into sleeve 5.Part fills
Slurry can be deposited in section shear wall bottom and fill level seam automatically, form laitance, be used to resist level after consolidation and sclerosis
Shearing.
As shown in Fig. 2 sleeve 5 overlaps with vertical reinforcement 6 in upper section shear wall 2, constrained in the range of overlap joint using stirrup 8.
There is horizontal reinforcement 10 in upper section shear wall 2.
As shown in figure 3, shaped steel 4 in the range of the overlap joint of vertical reinforcement 3 in lower section shear wall 1 using stirrup 7 with being constrained.Hypomere is cut
There is horizontal reinforcement 9 in power wall 1.
As shown in figure 4, there are some annular friction ribs 12, the annular friction being distributed by multiple tracks uniform intervals in the surface of sleeve
Rib structure helps to increase viscous between outer concrete and the outer surface of sleeve 5 and internal grouting material and the inner surface of sleeve 5
Knot acts on, and then increases the reliability of stress.
More preferably, the cross sectional shape of shaped steel 4 can be H types or T-shaped or other opening thin shapes.Type
Steel 4 can also be closed thin wall component, such as steel pipe.Sleeve 5 is made up of industrial seamless steel pipe through Surface Machining into more ribs.Set
Cylinder 5 opens up two apertures in the opening position wall surface close to upper and lower side, is easy to grouting and pulp.The grouting and the slurry
The slurry used is filled, for high-strength, fast hard, microdilatancy, the cement-based material of high flowability.And then pass through described shaped steel sleeve
Grouting connection and the filled therewith of horizontal joint, realize the stress transmission of the upper section shear wall and the lower section shear wall.Enter
One step, all surface of shaped steel 4 and steel pipe sleeve 5 welds U-shaped shearing-resistant member to increase the shear resistance of respective component.Shaped steel 4 with
Bar splicing, and when sleeve 5 and bar splicing, the length of use meets lapped length of steel bar requirement.In the range of the lap of splice
Stirrup is set up, stirrup spacing is smaller (as used 50mm), to ensure that overlap joint stress is reliable, and encrypts the effect of enhancing overlap joint connection
Fruit.
In actual applications, with reference to shown in following table, the H sections shaped steel in Fig. 1 could alternatively be T sections shaped steel (in such as table
Extension form 1), or be substituted for steel pipe (the extension form 2 in such as table).In addition, when horizontal joint resistance horizontal shear
During scarce capacity, an anti-shear steel plate (the extension form 3 in such as table) can be increased in the middle part of shear wall cross section.Meanwhile when cutting
, can be in two shaped steel of each end set of shear wall and relevant sleeve (the extension shape in such as table during power wall bending resistance deficiency
Formula 4).Certainly, extension form is not limited to the form 1 to 4 in table 1.
Table 1
After completing above-mentioned implementation process, following characteristics of the present utility model should be able to be embodied：
1) the shear wall connected mode of existing reinforcing bar insertion sleeve is improved so that insertion and centering difficulty in construction
It is low, and grouting efficiency is high；
2) the attachment structure form between the utility model sleeve and section bar make it that stress is more reasonable and utilization ratio is higher；
3) component used in the utility model is that construction is commonly used, and can be gathered materials on the spot.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this reality
With new.Person skilled in the art obviously can easily make various modifications to these embodiments, and saying herein
Bright General Principle is applied in other embodiment without by performing creative labour.Therefore, the utility model is not limited to
Embodiment is stated, those skilled in the art do not depart from the improvement that the utility model category is made according to announcement of the present utility model
All should be within the scope of protection of the utility model with modification.
Claims (9)
- A kind of 1. precast reinforced concrete shear wall, it is characterised in that：Including upper section shear wall and lower section shear wall, it is described on Sleeve connector is embedded with section shear wall, is embedded with the lower section shear wall and is revealed in outer shaped steel, the shaped steel adaptation Penetrate in the sleeve connector and then the upper section shear wall is connected with each other with lower section shear wall；The upper section shear wall and institute State and leave seam between lower section shear wall, in being in the milk in the sleeve connector and pass through seam described in the grout filling.
- 2. precast reinforced concrete shear wall according to claim 1, it is characterised in that：The seam is horizontal joint, Anti-shear steel plate is had additional in the middle part of the seam crossing.
- 3. precast reinforced concrete shear wall according to claim 1, it is characterised in that：The end of the sleeve connector Offer grout hole.
- 4. precast reinforced concrete shear wall according to claim 1, it is characterised in that：The upper section shear wall and institute State and embedded bar is equipped with lower section shear wall, the embedded bar of the sleeve connector and the upper section shear wall is taken Connect, the embedded bar of the shaped steel and the lower section shear wall overlaps.
- 5. precast reinforced concrete shear wall according to claim 4, it is characterised in that：The embedded bar includes edge and cut The vertical reinforcement and horizontal reinforcement of power wall profile arrangement, the sleeve connector and the shaped steel respectively with respective shear wall Interior vertical reinforcement overlap joint.
- 6. precast reinforced concrete shear wall according to claim 5, it is characterised in that：The sleeve connector and institute State to reinforce by stirrup in the range of shaped steel overlaps with the vertical reinforcement respectively and connect.
- 7. precast reinforced concrete shear wall according to any one of claims 1 to 6, it is characterised in that：The sleeve connection The surface soldered of part and the shaped steel has shearing-resistant member.
- 8. precast reinforced concrete shear wall according to any one of claims 1 to 6, it is characterised in that：The sleeve connection The inwall of part is provided with some annular friction ribs.
- 9. precast reinforced concrete shear wall according to any one of claims 1 to 6, it is characterised in that：The shaped steel appears Baffle plate is provided with outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190683.0U CN207063226U (en) | 2017-03-01 | 2017-03-01 | Precast reinforced concrete shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190683.0U CN207063226U (en) | 2017-03-01 | 2017-03-01 | Precast reinforced concrete shear wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207063226U true CN207063226U (en) | 2018-03-02 |
Family
ID=61500929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720190683.0U Expired - Fee Related CN207063226U (en) | 2017-03-01 | 2017-03-01 | Precast reinforced concrete shear wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207063226U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760054A (en) * | 2017-03-01 | 2017-05-31 | 同济大学 | Precast reinforced concrete shear wall |
| CN108867481A (en) * | 2018-07-16 | 2018-11-23 | 广州市市政工程设计研究总院有限公司 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
| CN109184021A (en) * | 2018-09-07 | 2019-01-11 | 江苏宇辉住宅工业有限公司 | A kind of prefabricated splicing concrete shear wall |
| CN111395775A (en) * | 2020-04-07 | 2020-07-10 | 中铁十二局集团建筑安装工程有限公司 | Construction method for plugging outer wall base mortar of sandwich insulation board of fabricated building |
-
2017
- 2017-03-01 CN CN201720190683.0U patent/CN207063226U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106760054A (en) * | 2017-03-01 | 2017-05-31 | 同济大学 | Precast reinforced concrete shear wall |
| CN108867481A (en) * | 2018-07-16 | 2018-11-23 | 广州市市政工程设计研究总院有限公司 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
| CN108867481B (en) * | 2018-07-16 | 2024-01-23 | 广州市市政工程设计研究总院有限公司 | Prefabricated assembled FRP muscle material concrete side anticollision barrier is connected in guardrail grout |
| CN109184021A (en) * | 2018-09-07 | 2019-01-11 | 江苏宇辉住宅工业有限公司 | A kind of prefabricated splicing concrete shear wall |
| CN111395775A (en) * | 2020-04-07 | 2020-07-10 | 中铁十二局集团建筑安装工程有限公司 | Construction method for plugging outer wall base mortar of sandwich insulation board of fabricated building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20190301 |