CN218405376U - H-shaped steel plate pile with hydraulic auxiliary pile-forming automatic pile-hole compacting function - Google Patents
H-shaped steel plate pile with hydraulic auxiliary pile-forming automatic pile-hole compacting function Download PDFInfo
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- CN218405376U CN218405376U CN202222866832.4U CN202222866832U CN218405376U CN 218405376 U CN218405376 U CN 218405376U CN 202222866832 U CN202222866832 U CN 202222866832U CN 218405376 U CN218405376 U CN 218405376U
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Abstract
The utility model discloses a supplementary H shaped steel sheet pile who becomes automatic closely knit stake hole of stake of water conservancy. The hydraulic cavity comprises an H-shaped steel body, wherein the H-shaped steel body is vertically arranged and comprises a web plate and flange plates, the web plate is positioned between the flange plates on two sides, one side of the web plate of the H-shaped steel body is fixedly connected with a side web plate, the side web plate is parallel to the web plate of the H-shaped steel body, a gap is reserved between the side web plate and the web plate, and the gap forms a hydraulic cavity; the height of the side web plate is lower than that of the web plate, the top end of the hydraulic cavity is provided with a water injection pipe, the water injection pipe comprises a joint pipe and a transition pipe, the transition pipe is a triangular flat pipe, the joint pipe is fixedly connected to the reducing end of the transition pipe, and the expanding end of the transition pipe is communicated with the hydraulic cavity. The utility model avoids disturbing the soil outside the steel sheet pile in the pile sinking process, the sectional area of the hydraulic cavity is large, the pile sinking efficiency is improved, and the safety is improved; when the pile is pulled out, the hydraulic cavity is utilized to fill slurry, so that the pile pulling efficiency is improved, and the construction period is shortened.
Description
Technical Field
The utility model relates to a foundation ditch supporting construction, especially a water conservancy is supplementary to be become H shaped steel sheet pile in automatic closely knit stake hole.
Background
In the foundation pit construction, a steel sheet pile is usually adopted to support a foundation pit, and the steel sheet pile foundation pit support is constructed in some hard cohesive soil, silt and partial gravel layers, so that the condition that the steel sheet pile cannot be driven in place frequently occurs. For the stratum with higher standard penetration number, the construction difficulty is always higher. The construction unit often takes some measures of leading holes to construct the steel sheet pile in place, and because the hole leading equipment generally forms a round hole, soil bodies on two sides of the steel sheet pile, particularly soil bodies behind the steel sheet pile, are disturbed to form a loose structure and deform easily, particularly in rainy seasons or under the condition of underground water, water and soil loss is easily caused, and a void phenomenon is formed behind a supporting structure, so that the safety of the whole supporting structure is influenced.
Chinese utility model that the bulletin number is CN205591205U discloses a steel sheet pile foundation pit supporting construction, this utility model is located the wrong side welding in both ends and has two seamless steel pipes at straight web, and the upper end of seamless steel pipe is connected with supplementary high pressure and penetrates the water subassembly. The utility model discloses a seamless steel pipe hugs closely the inner wall of flange plate, and the water spray is concentrated, disturbs the soil body in the steel sheet pile outside very easily, influences whole supporting construction's safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem to a H shaped steel sheet pile in stake automatic compaction stake hole is made in supplementary stake of water conservancy is provided, improves the efficiency of construction, improves supporting construction's security.
The utility model provides a its technical problem, the technical scheme of adoption is:
a hydraulic auxiliary pile-forming H-shaped steel sheet pile capable of automatically compacting pile holes comprises an H-shaped steel body, wherein the H-shaped steel body is vertically arranged and comprises a web plate and flange plates, the web plate is located between the flange plates on two sides, one side of the web plate of the H-shaped steel body is fixedly connected with a side web plate, the side web plate is parallel to the web plate of the H-shaped steel body, a gap is reserved between the side web plate and the web plate, and the gap forms a hydraulic cavity; the height of the side web plate is lower than that of the web plate, the top end of the hydraulic cavity is provided with a water injection pipe, the water injection pipe comprises a joint pipe and a transition pipe, the transition pipe is a triangular flat pipe, the joint pipe is fixedly connected to the reducing end of the transition pipe, and the expanding end of the transition pipe is communicated with the hydraulic cavity.
Adopt above-mentioned technical scheme the utility model discloses compare with prior art, beneficial effect is:
the hydraulic chamber formed by the web plate and the side web plate assists in hydraulic pile forming, avoids disturbing soil outside the steel sheet pile in the pile sinking process, has large sectional area, improves pile sinking efficiency and improves safety; when the pile is pulled out, the hydraulic cavity is utilized to fill slurry, so that the pile pulling efficiency is improved, and the construction period is shortened.
Further, the utility model discloses an optimization scheme is:
the transition pipe of the water injection pipe is obliquely arranged, and the joint pipe is vertically arranged.
And the side web plate is welded with the flange plate in a sealing way.
And two ends of the upper port of the hydraulic cavity are fixedly connected with a top plate respectively.
The flaring end of the transition pipe is respectively connected with the web plate, the side web plate and the two top plates in a sealing manner.
The bottom of the hydraulic cavity is provided with a check valve.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 1;
fig. 4 is a perspective view of a water injection pipe according to an embodiment of the present invention.
In the figure: an H-shaped steel body 1; a flange plate 1-1; a web 1-2; a side web 2; a hydraulic chamber 3; a top plate 4; a water injection pipe 5; 5-1 of a transition pipe; and 5-2 of a joint pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1-3, the embodiment is an H-shaped steel sheet pile for hydraulic auxiliary pile-forming and automatic pile hole compaction, which mainly comprises an H-shaped steel body 1, a side web 2 and a water injection pipe 5. The H-shaped steel body 1 is composed of a web plate 1-2 and two flange plates 1-1, the web plate 1-2 is located between the flange plates 1-1 on two sides, and the H-shaped steel body 1 is vertically arranged.
The side web plate 2 is welded on the outer side of the web plate 1-2 of the H-shaped steel body 1, the side web plate 2 is parallel to the web plate 1-2 of the H-shaped steel body 1, two ends of the side web plate 2 are respectively welded with the flange plate 1-1 in a sealing mode, the height of the side web plate 2 is lower than that of the web plate 1-2, and the height difference between the side web plate 2 and the web plate 1-2 is 200-500 mm, preferably 300 mm. A gap of 5 mm to 10 mm is reserved between the side web plate 2 and the web plate 1-2 to form a hollow structure, the gap forms a hydraulic chamber 3, and the gap of 5 mm to 10 mm between the side web plate 2 and the web plate 1-2 is convenient for maintaining water pressure. Two top plates 4 are respectively welded at two ends of the upper end opening of the joint pipe 5-2, the upper plate surface of each top plate 4 is flush with the upper end surface of the side web plate 2, and the top plates 4 are respectively welded with the flange plates 1-1, the web plates 1-2 and the side web plates 2 in a sealing mode.
The top end of the hydraulic chamber 3 is provided with a water injection pipe 5 (shown in figure 4), the water injection pipe 5 consists of a transition pipe 5-1 and a joint pipe 5-2, the transition pipe 5-1 is a flat pipe, and the side surface of the transition pipe is triangular. The flaring end of the transition pipe 5-1 is communicated with the hydraulic chamber 3, the flaring end of the transition pipe 5-1 is respectively welded with the web plate 1-2, the side web plate 2 and the two top plates 4 in a sealing way, and the transition pipe 5-1 is obliquely arranged. The joint pipe 5-2 is a circular pipe, the joint pipe 5-2 is welded at the necking end of the transition pipe 5-1, and the joint pipe 5-2 is vertically arranged. The upper end of the side web plate 2 is lower than the upper end of the web plate 1-2, the upper end surface of the joint pipe 5-2 is lower than the upper end surface of the H-shaped steel body 1, and the water injection pipe fitting 5 is located in the space on one side of the H-shaped steel body 1, so that stacking, loading and transportation of the H-shaped steel sheet pile cannot be influenced. The joint pipe 5-2 can be provided with a universal joint or a reducer joint, so that the joint pipe can be conveniently connected with a high-pressure water injection pipe or a grouting pipeline. In order to prevent backflow during filling or grouting, a check valve may be installed at a lower portion of the hydraulic chamber 3. In order to increase the stability of the water filling pipe 5, support rods (not shown) are welded between both sides of the transition pipe 5-1 and the flange plate 1-1.
The construction process of the embodiment is as follows:
pile sinking construction
Firstly, a field is leveled, the position of the H-shaped steel sheet pile is measured and positioned, and a diversion trench and a mud pit are excavated. Then the joint pipe 5-2 is communicated with the high-pressure water injection pipe by a hose, a clamp is arranged on the H-shaped steel sheet pile, the vibration pile sinking machine lifts the H-shaped steel sheet pile by the clamp, a water source is firstly connected after the H-shaped steel sheet pile is lifted, a switch of the high-pressure water injection pipe is turned on, and after water flows out from the bottom end of a hydraulic cavity 3 of the H-shaped steel sheet pile and forms high-pressure water, construction of the H-shaped steel sheet pile is started.
And aligning the H-shaped steel plate pile to the pile position, and performing vibration pile sinking construction. And in the pile sinking construction process, slurry generated by the hydraulic cavity 3 flows into the slurry pool through the flow guide groove, and is transported out through the slurry transport vehicle after the slurry pool is full. After one steel sheet pile is constructed, the hose and the high-pressure water injection pipe are disassembled, and the other steel sheet pile is connected, and the construction process is repeated. And after the construction is finished, filling and leveling the diversion trench and the mud pit to restore to the original state.
Pile pulling and grouting construction
And after the foundation pit supporting engineering is finished, removing the H-shaped steel plate pile, and recovering the flow guide channel and the mud pit before removing. Water injection pipe spare 5 and slip casting pipeline intercommunication and water, clear away the mud in water injection pipe spare 5 and the hydraulic cavity 3 totally, treat that H shaped steel sheet pile pulls out to adopt again to lead to the thick liquid after promoting 300mm to fill closely knit stake hole, H shaped steel sheet pulls out to stop leading to the thick liquid before the ground surface, pulls out behind the ground surface and changes into to lead to water to wash H shaped steel sheet pile's hydraulic cavity 3, washes cement paste clean, avoids blockking up the pipeline, influences follow-up use. After a steel sheet pile is pulled out, the end part of the grouting pipeline can be provided with a three-way valve for realizing the switching between a slurry pool and a water pool.
The above description is only a preferred and practical embodiment of the present invention, and is not intended to limit the scope of the present invention, which is intended to be encompassed by the present invention, as long as the structural equivalents and modifications made by the contents of the present invention and the attached drawings are covered.
Claims (6)
1. The utility model provides a supplementary H shaped steel sheet pile who becomes automatic closely knit stake hole of stake of water conservancy, includes H shaped steel body, the vertical setting of H shaped steel body, and H shaped steel body includes web and flange board, and the web is located between the flange board of both sides, its characterized in that:
one side of the web plate of the H-shaped steel body is fixedly connected with a side web plate, the side web plate is parallel to the web plate of the H-shaped steel body, a gap is reserved between the side web plate and the web plate, and the gap forms a hydraulic chamber;
the height of the side web plate is lower than that of the web plate, the top end of the hydraulic cavity is provided with a water injection pipe, the water injection pipe comprises a joint pipe and a transition pipe, the transition pipe is a triangular flat pipe, the joint pipe is fixedly connected to the reducing end of the transition pipe, and the expanding end of the transition pipe is communicated with the hydraulic cavity.
2. The H-shaped steel sheet pile for hydraulically assisting in forming the pile hole with automatic compaction is characterized in that: the transition pipe of the water injection pipe is obliquely arranged, and the joint pipe is vertically arranged.
3. The H-shaped steel sheet pile with the hydraulically-assisted pile forming and automatically-compacted pile hole according to claim 1, which is characterized in that: and the side web plate is welded with the flange plate in a sealing way.
4. The H-shaped steel sheet pile for hydraulically assisting in forming the pile hole with automatic compaction is characterized in that: and two ends of the upper port of the hydraulic cavity are fixedly connected with a top plate respectively.
5. The H-shaped steel sheet pile with the hydraulically-assisted pile forming and automatically-compacted pile hole according to claim 1, which is characterized in that: the flaring end of the transition pipe is respectively connected with the web plate, the side web plate and the two top plates in a sealing manner.
6. The H-shaped steel sheet pile for hydraulically assisting in forming the pile hole with automatic compaction is characterized in that: the bottom of the hydraulic cavity is provided with a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222866832.4U CN218405376U (en) | 2022-10-30 | 2022-10-30 | H-shaped steel plate pile with hydraulic auxiliary pile-forming automatic pile-hole compacting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222866832.4U CN218405376U (en) | 2022-10-30 | 2022-10-30 | H-shaped steel plate pile with hydraulic auxiliary pile-forming automatic pile-hole compacting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218405376U true CN218405376U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222866832.4U Active CN218405376U (en) | 2022-10-30 | 2022-10-30 | H-shaped steel plate pile with hydraulic auxiliary pile-forming automatic pile-hole compacting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218405376U (en) |
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2022
- 2022-10-30 CN CN202222866832.4U patent/CN218405376U/en active Active
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