CN203668938U - Post grouting side wall grouting and guniting annular valve structure - Google Patents
Post grouting side wall grouting and guniting annular valve structure Download PDFInfo
- Publication number
- CN203668938U CN203668938U CN201320896169.0U CN201320896169U CN203668938U CN 203668938 U CN203668938 U CN 203668938U CN 201320896169 U CN201320896169 U CN 201320896169U CN 203668938 U CN203668938 U CN 203668938U
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- Prior art keywords
- grouting
- annular valve
- valve body
- guniting
- pipe
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- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 8
- 239000004567 concrete Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000007569 slipcasting Methods 0.000 description 9
- 239000011440 grout Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a post grouting side wall grouting and guniting annular valve structure which comprises a valve body communicated with the bottom end of each grouting pipe. The valve body is annular. The annular valve body is composed of a flexible pipe and is made of a PVC pipe with reinforcing bars or a PVC pipe with steel wires. The annular valve body is connected with tee joints with the number and the positions identical to those of the grouting pipes. An elbow is connected between each tee joint and the corresponding grouting pipe. Multiple guniting holes are evenly distributed in the outer wall of the annular valve body in the circumferential direction. Each guniting hole is provided with a sealing rubber ring. The annular valve can contract or expand and the post grouting side wall grouting and guniting annular valve structure has the advantages that manufacture and installation are simple and convenient, a steel reinforcement cage is easy to place, grouting valves are well attached to the hole walls, concrete is gunited evenly, the sealing performance is good, the grouting valves can be opened easily in the guniting process, and the effect is good in actual application.
Description
Technical field
The utility model relates to a kind of parts of realizing castinplace pile post grouting process, relates in particular to a kind of valve body structure that is arranged on grout outlet.
Background technology
Castinplace pile Post Grouting Technique is to certain hour after bored pile piling, by the stake end, the stake side grouting valve injected water mud that are preset in the grouting pipe in pile body and be attached thereto, be that the stake end stake side soil body (comprising sediment and mud skin) is reinforced, thereby improve bearing capacity of single pile, reduce sedimentation.Can play the effect of two aspects: the one, reinforce pile bottom sediment and stake sidewall mud skin; The 2nd, the soil body at the bottom of stake and in stake side certain limit is played to reinforcement effect by infiltrating (coarse-grained soil), splitting (fine grained soils) and densification (unsaturation loose ground) slip casting, thereby strengthen pile side resistance and end resistance.At present, the basic technology of pile-end post-grouting and slip casting is comparatively ripe, and Grouting Pipe is fixed on reinforcing cage, and grout outlet adopts 30～50cm in one-way throttle valve pressure pile subsoil.Adopt one-way throttle valve to make grout outlet, carry out pile concrete while building slurries can not pour in valve, slip casting also can not reflux slurries, slip casting success rate reaches more than 97%, and pressure is relatively stable, slip casting effect is remarkable.
Rear mud jacking technique is widely used in diaphragm wall and bored pile now, can effectively play and reduce stake side mud skin and sediment of the hole bottom negative interaction, can promote pile side friction and bearing capacity of pile tip simultaneously, thereby reach raising pile capacity, reduce the effect of cost, rear mud jacking bored pile is as the improvement stake type of bored pile, be widely used at present in highrise building, rear mud jacking technique is mainly pile end grouting and stake side wall grouting and combining form thereof, the valve body that is arranged on grout outlet is the critical piece that is applied to rear mud jacking technique, and the slip casting of stake side is as the technique that further develops of post grouting process, its grouting valve structure also constantly grope improve in.
Utility model content
For above-mentioned prior art, the utility model provide a kind of after the mud jacking side wall grouting annular valve arrangement of whitewashing, possess that fabrication and installation are easy, reinforcing cage is easily laid, grouting valve and hole wall stickiness is good, whitewashing evenly, the advantage such as easily open in good airproof performance, whitewashing, can receive in actual applications good effect.
In order to solve the problems of the technologies described above, the mud jacking side wall grouting annular valve arrangement of whitewashing after the utility model one, comprise the valve body being communicated with Grouting Pipe bottom, described valve body is annular valve body, described annular valve body is formed by flexible pipe, connects the threeway consistent with Grouting Pipe quantity and position difference on described annular valve body, between described threeway and described Grouting Pipe, is connected with elbow, on the lateral wall of described annular valve body, be uniformly distributed circumferentially multiple gunniting holes, each gunniting hole is provided with sealing rubber ring.
The mud jacking side wall grouting annular valve arrangement of whitewashing after the utility model, wherein, described annular valve body adopts reinforcement pvc pipe to make or adopts steel wire pvc pipe to make.
Compared with prior art, the beneficial effects of the utility model are: the utility model annular plate valve is that flexible material is made, collapsible or spreading, possess that fabrication and installation are easy, reinforcing cage is easily laid, grouting valve and hole wall stickiness is good, whitewashing evenly, the advantage such as easily open in good airproof performance, whitewashing, can receive in actual applications good effect.
Accompanying drawing explanation
Fig. 1 is provided with the whitewash pile body schematic diagram of annular valve arrangement of mud jacking side wall grouting after the utility model;
Fig. 2 is the sectional drawing of annular valve body installment state shown in A-A position in Fig. 1;
Fig. 3 is the sectional drawing of annular valve body open configuration shown in A-A position in Fig. 1;
Fig. 4 is I portion structure enlarged drawing in Fig. 3.
In figure: 1-Grouting Pipe, 2-reinforcing bar, 3-annular valve body, 4-threeway, 5-elbow, 6-gunniting hole, 7-rubber seal.
The specific embodiment
Below in conjunction with the specific embodiment, the utility model is described in further detail.
The mud jacking side wall grouting annular valve arrangement of whitewashing after the utility model one, comprise the valve body being communicated with Grouting Pipe 1 bottom, described valve body is annular valve body 3, described annular valve body 3 is formed by flexible pipe, on described annular valve body 3, connect the threeway 4 consistent with Grouting Pipe 1 quantity and position difference, between described threeway 4 and described Grouting Pipe 1, be connected with elbow 5, be uniformly distributed circumferentially multiple gunniting holes 6 on the lateral wall of described annular valve body 3, each gunniting hole 6 is provided with sealing rubber ring 7.
The utility model annular plate valve is transformed from material and structure compared with traditional grouting valve.First, the material of annular valve body 3 adopts reinforcement pvc pipe or steel wire pvc pipe material, and fabrication and installation are very easy, and greatly cost-saving; Secondly, annular valve body 3 steel soft and Ji, in the installation course of installation annular plate valve and reinforcing cage (having reinforcing bar 2 to form), this annular valve body 3 is in contraction state, as shown in Figure 2, therefore, in reinforcing cage installation course, can not produce owing to causing grouting valve structural failure or reinforcing cage to lay difficult problem to scratching of stake hole, in filling concrete process, under the effect of filling concrete pressure, after this annular valve body 3 is fully expanded, fit tightly hole wall, as shown in Figure 3, greatly promoted slip casting effect; Again, it is on annular valve body 3, to be uniformly distributed gunniting hole 6 that the structure of stake sidewall sprinkler is changed into, and on gunniting hole 6, be provided with high-tension rubber seal 7, as shown in Figure 4, therefore in installation course, gunniting hole 6 is closed state, thereby guarantee the seal before slip casting, when slip casting, break through gunite after sealing by fluid pressure.
Although the utility model is described in conjunction with figure above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the situation that not departing from the utility model aim, can also make a lot of distortion, within these all belong to protection of the present utility model.
Claims (3)
1. the mud jacking side wall grouting annular valve arrangement of whitewashing after a kind, comprise the valve body being communicated with Grouting Pipe (1) bottom, it is characterized in that, described valve body is annular valve body (3), described annular valve body (3) is formed by flexible pipe, the threeway (4) that the upper connection of described annular valve body (3) is consistent with Grouting Pipe (1) quantity and position difference, between described threeway (4) and described Grouting Pipe (1), be connected with elbow (5), multiple gunniting holes (6) on the lateral wall of described annular valve body (3), are uniformly distributed circumferentially, each gunniting hole (6) is provided with sealing rubber ring (7).
According to claim 1 after the mud jacking side wall grouting annular valve arrangement of whitewashing, it is characterized in that, described annular valve body (3) adopts reinforcement pvc pipe to make.
According to claim 1 after the mud jacking side wall grouting annular valve arrangement of whitewashing, it is characterized in that, described annular valve body (3) adopts steel wire pvc pipe to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896169.0U CN203668938U (en) | 2013-12-30 | 2013-12-30 | Post grouting side wall grouting and guniting annular valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896169.0U CN203668938U (en) | 2013-12-30 | 2013-12-30 | Post grouting side wall grouting and guniting annular valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203668938U true CN203668938U (en) | 2014-06-25 |
Family
ID=50965254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320896169.0U Expired - Lifetime CN203668938U (en) | 2013-12-30 | 2013-12-30 | Post grouting side wall grouting and guniting annular valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203668938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926589A (en) * | 2016-06-07 | 2016-09-07 | 中交第二航务工程局有限公司 | Steel pipe pile applicable to coral reef geology and grouting method of steel pipe pile |
| CN107882020A (en) * | 2017-11-24 | 2018-04-06 | 苏州枫石堂工程科技有限公司 | A kind of Trees with Small Diameters pile construction method and cleaning grouting device |
-
2013
- 2013-12-30 CN CN201320896169.0U patent/CN203668938U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926589A (en) * | 2016-06-07 | 2016-09-07 | 中交第二航务工程局有限公司 | Steel pipe pile applicable to coral reef geology and grouting method of steel pipe pile |
| CN105926589B (en) * | 2016-06-07 | 2017-12-05 | 中交第二航务工程局有限公司 | It is adapted to the steel-pipe pile and its grouting method of coral reef geology |
| CN107882020A (en) * | 2017-11-24 | 2018-04-06 | 苏州枫石堂工程科技有限公司 | A kind of Trees with Small Diameters pile construction method and cleaning grouting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300191 No. 428 Hongqi South Road, Tianjin, Nankai District Patentee after: Tianjin survey and Design Institute Group Co.,Ltd. Patentee after: TIANJIN BOCHUAN GEOTECHNICAL ENGINEERING CO.,LTD. Address before: 300191 No. 428 Hongqi South Road, Tianjin, Nankai District Patentee before: TIANJIN INSTITUTE OF GEOTECHNICAL INVESTIGATION & SURVEYING Patentee before: TIANJIN BOCHUAN GEOTECHNICAL ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
|
| CX01 | Expiry of patent term |