CN212582661U - Manual hole digging pile for overhead line - Google Patents
Manual hole digging pile for overhead line Download PDFInfo
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- CN212582661U CN212582661U CN202021214786.4U CN202021214786U CN212582661U CN 212582661 U CN212582661 U CN 212582661U CN 202021214786 U CN202021214786 U CN 202021214786U CN 212582661 U CN212582661 U CN 212582661U
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- grouting
- reinforced concrete
- retaining wall
- annular reinforced
- concrete retaining
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Abstract
The utility model discloses a built on stilts manual hole digging pile of using of circuit, including annular reinforced concrete dado, annular reinforced concrete dado inside is provided with the slip casting body with the periphery, corresponds the slip casting body is provided with the slip casting pipe, the slip casting pipe be used for to inject cement paste in the slip casting body, the slip casting body is used for solidifying and stagnant water with the loose soil layer of annular reinforced concrete dado periphery and bottom. And (3) with the follow-up of the annular reinforced concrete retaining wall, cement slurry is injected into the grouting body through the grouting pipe, and loose soil layers at the periphery and the bottom of the annular reinforced concrete retaining wall are solidified and water is stopped. And then do not need a large amount of groundwater of extraction, also do not need large-scale high pressure jet grouting form stagnant water curtain, increased pile side frictional resistance, increased pile foundation soil body end resistance, can effectively reduce pile foundation length, solved the stagnant water problem and the hidden danger in hole collapse.
Description
Technical Field
The utility model relates to a road construction technical field, concretely relates to built on stilts manual hole digging pile of circuit.
Background
A highway and an urban road generally adopt a jacking underground road bridge to penetrate a railway roadbed, a D-shaped temporary beam is generally adopted to perform overhead reinforcement on a railway line during the jacking construction of the underground road bridge, and a manual hole digging pile foundation is adopted as a D-shaped side beam fulcrum. When the hole digging pile passes through loose soil layers such as loose fill layers, gravel layers and the like, accidents such as hole collapse and the like easily occur. Especially, when the pile passes through a water-rich loose fill layer and a gravel layer, the manual hole digging pile is difficult to form a hole.
In the traditional technology, a steel casing or a retaining wall follow-up mode is generally adopted, and when underground water is abundant, a large amount of underground water must be extracted to form holes. Accidents such as circuit sinking and hole collapse can be caused after a large amount of underground water is pumped, and the railway driving safety is seriously threatened.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, proposed following technical scheme:
in a first aspect, the embodiment of the utility model provides a built on stilts manual hole digging pile of circuit, including annular reinforced concrete dado, annular reinforced concrete dado inside is provided with the slip casting body with the periphery, corresponds the slip casting body is provided with the slip casting pipe, the slip casting pipe be used for to inject cement paste in the slip casting body, the slip casting body is used for solidifying and stagnant water with the loose soil layer of annular reinforced concrete dado periphery and bottom.
By adopting the implementation mode, cement slurry is injected into the grouting body through the grouting pipe along with the follow-up of the annular reinforced concrete retaining wall, and loose soil layers at the periphery and the bottom of the annular reinforced concrete retaining wall are solidified and water is stopped. And then need not take out groundwater in a large number, also need not large-scale high pressure jet grouting dress stagnant water curtain, increased pile side frictional resistance, increased pile foundation soil body end resistance, can effectively reduce pile foundation length, solved the hidden danger in stagnant water problem and hole collapse.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the grouting pipes include a first vertical grouting pipe and a first oblique grouting pipe, the first vertical grouting pipe is used for grouting a grouting body inside the annular reinforced concrete retaining wall, and the first oblique grouting pipe is used for grouting a grouting body on the periphery of the outside of the annular reinforced concrete retaining wall.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, a plurality of first vertical grouting pipes are provided, the plurality of first vertical grouting pipes are uniformly distributed in the annular reinforced concrete retaining wall, and each first vertical grouting pipe uniquely corresponds to grouting in one annular reinforced concrete retaining wall.
With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, a plurality of first oblique grouting pipes are arranged, the plurality of first oblique grouting pipes are arranged around the annular reinforced concrete retaining wall, and each first oblique grouting pipe uniquely corresponds to grouting outside one annular reinforced concrete retaining wall.
With reference to the first aspect, in a fourth possible implementation manner of the first aspect, a plurality of annular reinforced concrete retaining walls are provided, and the number of the annular reinforced concrete retaining walls is gradually increased according to the excavation depth of the pile soil.
With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, a grouting body is disposed at a pile bottom corresponding to the last section of the annular reinforced concrete retaining wall.
With reference to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the pile bottom is provided with a second vertical grouting pipe and a second oblique grouting pipe, and the second vertical grouting pipe and the second oblique grouting pipe are used for grouting a grouting body at the pile bottom.
With reference to the sixth possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, the second vertical grouting pipes and the second oblique grouting pipes are provided in plural, the plural second vertical grouting pipes are uniformly distributed and arranged in an annular region of the last section of the annular reinforced concrete retaining wall, and the plural second oblique grouting pipes are uniformly arranged around a peripheral region of the last section of the annular reinforced concrete retaining wall.
With reference to the seventh possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the grout at the pile bottom is disposed at a position 100cm to 110cm below the pile bottom.
With reference to the first aspect or any one of the first to the eighth possible implementation manners of the first aspect, in a ninth possible implementation manner of the first aspect, the length of the annular reinforced concrete retaining wall is 50cm to 55 cm.
Drawings
Fig. 1 is a schematic structural view of a line overhead manual hole digging pile provided in an embodiment of the present invention;
fig. 2 is a top view of a line overhead manual hole digging pile provided in an embodiment of the present invention;
in fig. 1-2, the symbols are represented as:
1-annular reinforced concrete retaining wall, 2-grouting body, 3-first vertical grouting pipe, 4-first oblique grouting pipe, 5-second vertical grouting pipe and 6-second oblique grouting pipe.
Detailed Description
The present invention will be described with reference to the accompanying drawings and embodiments.
Fig. 1 is the utility model provides a built on stilts manual hole digging pile's of circuit structure schematic diagram that uses, refer to fig. 1, the embodiment of the utility model provides a built on stilts manual hole digging pile of circuit includes: the annular reinforced concrete retaining wall comprises an annular reinforced concrete retaining wall 1, wherein grouting bodies 2 are arranged inside and on the periphery of the annular reinforced concrete retaining wall 1, grouting pipes are arranged corresponding to the grouting bodies 2 and used for injecting cement paste into the grouting bodies 2, and the grouting bodies 2 are used for solidifying and stopping loose soil layers on the periphery and at the bottom of the annular reinforced concrete retaining wall 1.
The annular reinforced concrete retaining walls 1 are arranged in a plurality, and the number of the annular reinforced concrete retaining walls 1 is gradually increased according to the excavation depth of pile soil. The length of the annular reinforced concrete retaining wall 1 is 50cm-55 cm.
The grouting pipes comprise a first vertical grouting pipe 3 and a first inclined grouting pipe 4, the first vertical grouting pipe 3 is used for grouting the grouting body 2 inside the annular reinforced concrete retaining wall 1, and the first inclined grouting pipe 4 is used for grouting the grouting body 2 on the periphery outside the annular reinforced concrete retaining wall 1.
Referring to fig. 2, a plurality of first vertical grouting pipes 3 are arranged, the plurality of first vertical grouting pipes 3 are uniformly distributed in the annular reinforced concrete retaining wall 1, and each first vertical grouting pipe 3 only corresponds to the grouting body 2 in one annular reinforced concrete retaining wall 1.
The number of the first inclined grouting pipes 4 is multiple, the first inclined grouting pipes 4 are arranged around the annular reinforced concrete retaining wall 1, and each first inclined grouting pipe 4 only corresponds to the grouting body 2 outside one annular reinforced concrete retaining wall 1.
Further referring to fig. 1, a grouting body 2 is arranged at the pile bottom corresponding to the last section of the annular reinforced concrete retaining wall 1. The pile bottom is provided with a second vertical grouting pipe 5 and a second inclined grouting pipe 6, the second vertical grouting pipe 5 and the second inclined grouting pipe 6 are used for grouting the grouting body 2 at the pile bottom, and the grouting body 2 at the pile bottom is arranged at the position of 100cm-110cm below the pile bottom.
The second vertical grouting pipes 5 and the second inclined grouting pipes 6 are arranged in plurality, the second vertical grouting pipes 5 are uniformly distributed in the annular region of the last section of the annular reinforced concrete retaining wall 1, and the second inclined grouting pipes 6 are uniformly arranged in the peripheral region of the last section of the annular reinforced concrete retaining wall 1 in a surrounding manner.
The embodiment of the utility model provides an in, annular reinforced concrete dado is according to the whole follow-up of a lesson every 50cm-55cm, after every follow-up a lesson annular reinforced concrete dado, squeeze into first slant slip casting pipe 4 to the stake week, squeeze into first vertical slip casting pipe 3 downwards, it injects grout injection slip casting body 2 and forms the stake soil complex body to impress the slip casting pipe again, solidify and the stagnant water with the loose soil layer of stake week and pile bottom, dig 50cm-55cm pile body soil body downwards again, follow-up downwards with annular reinforced concrete dado again, squeeze into first slant slip casting pipe 4 to the stake week, squeeze into first vertical slip casting pipe 3 cyclic operation downwards, progressively pore-forming to the pile bottom, dig into second slant slip casting pipe 6 again after the pile bottom, squeeze into second vertical slip casting pipe 5 and slip casting downwards, pour the pile body concrete.
The use method of the overhead manual hole digging pile for the line provided by the embodiment comprises the following steps:
and S1, the whole process is followed by adopting an annular reinforced concrete retaining wall, the retaining wall adopts a section of 50-55 cm, 50-55 cm is adopted when each earth is dug, and the annular reinforced concrete retaining wall is followed by 50-55 cm.
S2, before excavating, driving a first inclined grouting pipe 4 and a first vertical grouting pipe 3 to the side of the pile, wherein the length of the first inclined grouting pipe 4 generally driven outside the pile hole is not less than 50cm, and the included angle between the first inclined grouting pipe 4 and the first vertical grouting pipe 3 is 20-30 degrees.
S3, cement slurry is pressed into the first inclined grouting pipe 4 and the first vertical grouting pipe 3, the grouting body 2 is injected, the loose soil body is solidified and water is stopped, and pressure grouting is generally adopted for grouting.
And S4, excavating the soil body in the pile after the grouting road has certain strength, wherein the once excavation depth is as high as that of the annular reinforced concrete retaining wall.
And S5, repeating the steps S2, S3 and S4, and driving a grouting pipe, grouting, excavating soil and following a retaining wall until the designed pile bottom elevation is excavated.
And S6, driving a second inclined grouting pipe 6 and a second vertical grouting pipe 5 into the pile bottom, wherein the grouting body 2 at the bottom generally enters the position which is not smaller than 100cm below the pile bottom, and pressing cement paste in.
And S7, lowering a pile body reinforcement cage, and pouring pile body concrete.
It can be known from the above embodiments that, the present embodiment provides a line overhead manual hole digging pile, and with the follow-up of the annular reinforced concrete retaining wall 1, cement slurry is injected into the grouting body 2 through the grouting pipe, so as to solidify and stop water in loose soil layers around and at the bottom of the annular reinforced concrete retaining wall 1. And then do not need a large amount of groundwater of extraction, also do not need large-scale high pressure jet grouting form stagnant water curtain, increased pile side frictional resistance, increased pile foundation soil body end resistance, can effectively reduce pile foundation length, solved the stagnant water problem and the hidden danger in hole collapse.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and if it is replaced, the present invention is only combined with and described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (10)
1. The manual hole digging pile for the overhead line is characterized by comprising an annular reinforced concrete retaining wall, wherein grouting bodies are arranged inside and at the periphery of the annular reinforced concrete retaining wall, grouting pipes are arranged corresponding to the grouting bodies and used for injecting cement slurry into the grouting bodies, and the grouting bodies are used for solidifying and stopping loose soil layers at the periphery and at the bottom of the annular reinforced concrete retaining wall.
2. The overhead manual hole digging pile for line according to claim 1, wherein the grouting pipes comprise a first vertical grouting pipe and a first oblique grouting pipe, the first vertical grouting pipe is used for grouting the grouting body inside the annular reinforced concrete retaining wall, and the first oblique grouting pipe is used for grouting the grouting body on the periphery outside the annular reinforced concrete retaining wall.
3. The overhead manual hole digging pile according to claim 2, wherein a plurality of the first vertical grouting pipes are arranged and evenly distributed in the annular reinforced concrete retaining wall, and each first vertical grouting pipe only corresponds to grouting in one annular reinforced concrete retaining wall.
4. The overhead manual hole digging pile according to claim 3, wherein a plurality of the first oblique grouting pipes are arranged around the annular reinforced concrete retaining wall, and each first oblique grouting pipe only corresponds to grouting outside one annular reinforced concrete retaining wall.
5. The line overhead manual bored pile according to claim 1, wherein the annular reinforced concrete retaining wall is provided in plurality in an increasing number according to a pile-soil excavation depth.
6. The overhead manual hole digging pile for the line according to claim 5, wherein the corresponding pile bottom of the last section of the annular reinforced concrete retaining wall is provided with a grouting body.
7. The overhead manual hole digging pile for the line according to claim 6, wherein the pile bottom is provided with a second vertical grouting pipe and a second inclined grouting pipe, and the second vertical grouting pipe and the second inclined grouting pipe are used for grouting to the grouting body of the pile bottom.
8. The overhead manual hole digging pile for the line according to claim 7, wherein a plurality of the second vertical grouting pipes and the second inclined grouting pipes are arranged, the plurality of the second vertical grouting pipes are uniformly distributed and arranged in the annular area of the last section of the annular reinforced concrete retaining wall, and the plurality of the second inclined grouting pipes are uniformly arranged around the peripheral area of the last section of the annular reinforced concrete retaining wall.
9. The overhead manual hole digging pile for lines according to claim 7, wherein the grout of the pile bottom is disposed at a position of 100cm to 110cm below the pile bottom.
10. The overhead manual hole digging pile of line according to any one of claims 1 to 9, wherein the length of the annular reinforced concrete retaining wall is 50cm to 55 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214786.4U CN212582661U (en) | 2020-06-28 | 2020-06-28 | Manual hole digging pile for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021214786.4U CN212582661U (en) | 2020-06-28 | 2020-06-28 | Manual hole digging pile for overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212582661U true CN212582661U (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021214786.4U Active CN212582661U (en) | 2020-06-28 | 2020-06-28 | Manual hole digging pile for overhead line |
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|---|---|
| CN (1) | CN212582661U (en) |
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2020
- 2020-06-28 CN CN202021214786.4U patent/CN212582661U/en active Active
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