CN204940374U - For the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg - Google Patents
For the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg Download PDFInfo
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- CN204940374U CN204940374U CN201520753903.7U CN201520753903U CN204940374U CN 204940374 U CN204940374 U CN 204940374U CN 201520753903 U CN201520753903 U CN 201520753903U CN 204940374 U CN204940374 U CN 204940374U
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- grouting pipe
- grouting
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- self
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Abstract
The utility model relates to the equipment preventing Grouting Pipe to be pulled off in self-balancing approach peg process, is specially the anti-breaking device of pile-end post-grouting Grouting Pipe for self-balancing approach peg.It comprises pile body (1), the Grouting Pipe (2) that pile body (1) is inner pre-buried; Described pile body (1) interior lower end is embedded with load box (3), and its inside is also provided with Grouting Pipe (2), and its Grouting Pipe (2) two ends pass load box (3) and pile body (1); Described Grouting Pipe (2) outside is provided with disrance sleeve (4), upper end is provided with steel plug (5), lower end is provided with grouting valve (6), and disrance sleeve (4) upper end passes the top of pile body (1); Its disrance sleeve (4) up and down two ends symmetry be provided with sealing mat (7).Its beneficial effect is: structure is simple, easy to use, utilizes disrance sleeve to be separated by the concrete that Grouting Pipe and pile body are poured into, and after carrying out self-balancing approach peg, can ensure that pre-buried Grouting Pipe is not pulled off at load cell position.
Description
Technical field
The utility model relates to the equipment preventing Grouting Pipe to be pulled off in self-balancing approach peg process, is specially the anti-breaking device of pile-end post-grouting Grouting Pipe for self-balancing approach peg.
Background technology
Self-balancing approach is a kind of static load test method based on seeking to load counter-force in foundation pile inside.Correspondingly, the enforcement technology of this test method, is called " reflexive force method peg technology " or " self-balancing approach peg technology ".According to existing dossier of investigating, by domestic hat with " self-balancing approach " and name stake in pre-buried loading equipemtn carry out the method for pile's bearing properties detection, have AfarVasela company of Israel propose and implement early than generation nineteen sixty.Different from traditional accumulation load method, this technology is placed in bottom pile body by the load box made by the sizing of pile capacity parameter request in work progress, connect exert pressure oil pipe and displacement measuring device in stake top, after concrete curing to valid period of standard, exerted pressure to bottom load box by top high-voltage oil pump, draw the total frictional resistance of bearing capacity of pile tip and stake side.
And foundation pile autobalanced detection method is embedded load case in the middle of pile body, utilize the Balancing relization of stake self counter-force to the loading of pile body, be a kind of test method close to vertical compression, uplift pile actual operating conditions, the utmost tip resistance of single pile vertical resistance pressure, CAPO test and pile soil horizon, the utmost lateral friction of pile-end soil can be determined.Although self-balancing test is widely used, for the test pile of post jacking process, when carrying out self-balancing approach test, pre-buried Grouting Pipe can be broken because of opening of load box, affects later stage slip casting; Time serious, even do over again, add construction period and labour intensity.Therefore, for the problems referred to above we to have developed a kind of structure simple, easy to use, disrance sleeve is utilized to be separated by the concrete that Grouting Pipe and pile body are poured into, after carrying out self-balancing approach peg, the anti-breaking device of pile-end post-grouting Grouting Pipe for self-balancing approach peg that pre-buried Grouting Pipe is not pulled off at load cell position can be ensured.
Utility model content
The purpose of this utility model is for above-described problems of the prior art, there is provided a kind of structure simple, easy to use, disrance sleeve is utilized to be separated by the concrete that Grouting Pipe and pile body are poured into, after carrying out self-balancing approach peg, the anti-breaking device of pile-end post-grouting Grouting Pipe for self-balancing approach peg that pre-buried Grouting Pipe is not pulled off at load cell position can be ensured.
In order to realize described object, the utility model specifically adopts following technical scheme:
For the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg, it comprises pile body 1, the Grouting Pipe 2 that pile body 1 is inner pre-buried.It is characterized in that: described pile body 1 interior lower end is embedded with load box 3, and its inside is also provided with Grouting Pipe 2, its Grouting Pipe 2 two ends pass load box 3 and pile body 1; Be provided with disrance sleeve 4 outside described Grouting Pipe 2, upper end is provided with steel plug 5, and lower end is provided with grouting valve 6, and disrance sleeve 4 upper end passes the top of pile body 1; Its disrance sleeve about 4 two ends symmetry be provided with sealing mat 7.
Described Grouting Pipe 2 upper end passes the top 100cm of pile body 1, and lower end passes the bottom 30cm of pile body 1.
Described disrance sleeve 4 upper end passes the top 50cm of pile body 1, and lower end passes load box 50cm, and disrance sleeve 4 is sealed by sealing mat 7 with the gap of Grouting Pipe 2, and after its sealing, outside is provided with mackintosh.
Described disrance sleeve 4 is made up of PVC material.
The utility model is used for the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg, be provided with disrance sleeve 4 outside described Grouting Pipe 2, upper end is provided with steel plug 5, and lower end is provided with grouting valve 6, and Grouting Pipe 2 upper end passes the top 100cm of pile body 1, lower end passes the bottom 30cm of pile body 1; Disrance sleeve 4 upper end of being made up of PVC material passes the top 50cm of pile body 1, lower end passes load box 50cm, disrance sleeve 4 is sealed by sealing mat 7 with the gap of Grouting Pipe 2, and outside is provided with mackintosh after its sealing, it utilizes disrance sleeve to be separated by the concrete that Grouting Pipe and pile body are poured into, after carrying out self-balancing approach peg, can ensure that pre-buried Grouting Pipe is not pulled off at load cell position, easy to use, any adverse effect can not be produced to later stage slip casting.
Compared with prior art, the beneficial effects of the utility model are: structure is simple, easy to use, disrance sleeve is utilized to be separated by the concrete that Grouting Pipe and pile body are poured into, after carrying out self-balancing approach peg, can ensure that pre-buried Grouting Pipe is not pulled off at load cell position, any adverse effect can not be produced to later stage slip casting.
Accompanying drawing explanation
Fig. 1 is the structural representation before the utility model load box opens.
Fig. 2 is the structural representation after the utility model load box opens.
In figure: pile body 1, Grouting Pipe 2, load box 3, disrance sleeve 4, steel plug 5, grouting valve 6, sealing mat 7.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, accompanying drawing 2, structure of the present utility model and beneficial effect thereof are further illustrated.
Embodiment 1
For the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg, as described in Figure 1, it comprises pile body 1, the Grouting Pipe 2 that pile body 1 is inner pre-buried.Described pile body 1 interior lower end is embedded with load box 3, and its inside is also provided with Grouting Pipe 2, and its Grouting Pipe 2 two ends pass load box 3 and pile body 1; Be provided with disrance sleeve 4 outside described Grouting Pipe 2, upper end is provided with steel plug 5, and lower end is provided with grouting valve 6, and disrance sleeve 4 upper end passes the top of pile body 1; Its disrance sleeve about 4 two ends symmetry be provided with sealing mat 7.
Described Grouting Pipe 2 upper end passes the top 100cm of pile body 1, and lower end passes the bottom 30cm of pile body 1.
Described disrance sleeve 4 upper end passes the top 50cm of pile body 1, and lower end passes load box 50cm, and disrance sleeve 4 is sealed by sealing mat 7 with the gap of Grouting Pipe 2, and after its sealing, outside is provided with mackintosh.
Described disrance sleeve 4 is made up of PVC material.
The concrete that Grouting Pipe 2 and pile body 1 pour into separates by described disrance sleeve 4, after carrying out self-balancing approach peg, can ensure that pre-buried Grouting Pipe 2 is not pulled off in load box 3 position, easy to use, can not produce any adverse effect to later stage slip casting.
During work, the first inner embedded load case 3 of pile body 1, then Grouting Pipe 2 is arranged on disrance sleeve 4 inside composition integral structure, and Grouting Pipe 2 upper end passes disrance sleeve 4 upper end 50cm, lower end passes disrance sleeve 4; Subsequently the Grouting Pipe 2 of integral structure, disrance sleeve 4 are arranged on pile body 1 inside, and it passes load box 3, then carries out slip casting by grouting valve 6, with the shutoff of steel plug 5 after slip casting completes, it is easy to use.
In description of the present utility model, term " on ", D score instruction orientation based on orientation shown in the drawings, be only the utility model instead of require that the utility model must operate with specific orientation for convenience of description, therefore can not be interpreted as restriction of the present utility model.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. for the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg, it comprises pile body (1), the Grouting Pipe (2) that pile body (1) is inner pre-buried; It is characterized in that: described pile body (1) interior lower end is embedded with load box (3), and its inside is also provided with Grouting Pipe (2), its Grouting Pipe (2) two ends pass load box (3) and pile body (1); Described Grouting Pipe (2) outside is provided with disrance sleeve (4), upper end is provided with steel plug (5), lower end is provided with grouting valve (6), and disrance sleeve (4) upper end passes the top of pile body (1); Its disrance sleeve (4) up and down two ends symmetry be provided with sealing mat (7).
2. according to claim 1 for the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg, it is characterized in that: described Grouting Pipe (2) upper end passes the top 100cm of pile body (1), and lower end passes the bottom 30cm of pile body (1).
3. according to claim 1 for the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg, it is characterized in that: described disrance sleeve (4) upper end passes the top 50cm of pile body (1), lower end passes load box 50cm, disrance sleeve (4) is sealed by sealing mat (7) with the gap of Grouting Pipe (2), and after its sealing, outside is provided with mackintosh.
4. according to claim 1 or 2 for the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg, it is characterized in that: described disrance sleeve (4) is made up of PVC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753903.7U CN204940374U (en) | 2015-09-25 | 2015-09-25 | For the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753903.7U CN204940374U (en) | 2015-09-25 | 2015-09-25 | For the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204940374U true CN204940374U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520753903.7U Expired - Fee Related CN204940374U (en) | 2015-09-25 | 2015-09-25 | For the anti-breaking device of pile-end post-grouting Grouting Pipe of self-balancing approach peg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204940374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256845A (en) * | 2015-09-25 | 2016-01-20 | 甘肃省建筑科学研究院 | Pile end post-grouting grouting pipe snapping-prevention device used for measuring pile through self-balancing method |
-
2015
- 2015-09-25 CN CN201520753903.7U patent/CN204940374U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256845A (en) * | 2015-09-25 | 2016-01-20 | 甘肃省建筑科学研究院 | Pile end post-grouting grouting pipe snapping-prevention device used for measuring pile through self-balancing method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20170925 |