CN212772306U - Device for improving vertical compression-resistant bearing capacity of steel pipe anchor rod static pressure pile - Google Patents
Device for improving vertical compression-resistant bearing capacity of steel pipe anchor rod static pressure pile Download PDFInfo
- Publication number
- CN212772306U CN212772306U CN202020956269.8U CN202020956269U CN212772306U CN 212772306 U CN212772306 U CN 212772306U CN 202020956269 U CN202020956269 U CN 202020956269U CN 212772306 U CN212772306 U CN 212772306U
- Authority
- CN
- China
- Prior art keywords
- pile
- steel pipe
- static pressure
- bearing capacity
- slip casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an improve device of vertical resistance to compression bearing capacity of steel pipe stock static pressure pile, including seting up the pressure stake hole on the raft board and sinking the steel pipe stock static pressure pile of pressing to the ground direction through the pressure stake hole, steel pipe stock static pressure bottom opening, and peg graft in it and be provided with the slip casting galvanized pipe, follow upwards setting gradually rubble section and expanded concrete core filling section down in the steel pipe stock static pressure pile, the integral type is provided with a plurality of injected holes on the stake end outer wall of the steel pipe stock static pressure pile that is located the rubble section. The utility model discloses a slip casting galvanized pipe and slip casting hole that set up realize squeezing into the stake end bottom with the thick liquid through the slip casting pipe to soil layer infiltration around outside stake end from the slip casting hole, thereby carry out the slip casting to steel pipe pile end and stake week soil body and consolidate, hinder with the end in order to improve the soil layer side, thereby improve the vertical resistance to compression bearing capacity of single pile.
Description
Technical Field
The utility model belongs to the technical field of the construction of building foundation, concretely relates to improve device of vertical resistance to compression bearing capacity of steel pipe stock static pressure pile.
Background
Compared with other pile body materials, the steel pipe anchor rod static pressure pile has the advantages of high pile body strength, strong penetrating power and the like, and is widely applied to the engineering fields of pile foundation quality accident reinforcement of new construction, settlement stopping and deviation rectifying of high-rise buildings with overlarge settlement and the like. The vertical compression-resistant bearing capacity of the single pile mainly depends on two aspects, namely the side resistance and the end resistance of the soil layer and the strength of the pile body. If the frictional resistance provided by the soil layer is not matched with the strength bearing capacity of the pile body, the advantage of high strength of the steel pipe pile is not obvious, and the steel pipe pile is not economical.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide an improve device of the vertical resistance to compression bearing capacity of steel pipe stock static pressure stake. After the device is used for construction, the side resistance and the end resistance of the soil layer can be effectively improved, so that the vertical compression-resistant bearing capacity of the single pile is improved.
The utility model discloses a following technical scheme realizes:
the device for improving the vertical compression-resistant bearing capacity of the steel pipe anchor rod static pressure pile comprises a pile pressing hole formed in a raft plate and the steel pipe anchor rod static pressure pile sinking to the foundation direction through the pile pressing hole, and is characterized in that the bottom of the steel pipe anchor rod static pressure pile is open, a grouting galvanized pipe is inserted into the steel pipe anchor rod static pressure pile, a broken stone section and an expanded concrete core filling section are sequentially arranged in the steel pipe anchor rod static pressure pile from bottom to top, and a plurality of grouting holes are integrally formed in the outer wall of the pile end of the steel pipe anchor rod static pressure pile located in the broken stone section.
The device for improving the vertical compression-resistant bearing capacity of the steel pipe anchor rod static pressure pile is characterized in that the throwing height of the gravel section is 2300-2700 mm.
The device for improving the vertical compression-resistant bearing capacity of the steel pipe anchor rod static pressure pile is characterized in that a pile shoe is welded on the outer portion of the lower portion of the pile end of the steel pipe anchor rod static pressure pile.
The device for improving the vertical compression-resistant bearing capacity of the steel pipe anchor rod static pressure pile is characterized in that the pile shoe is a thick steel plate with the height of 200mm and the wall thickness of 10 mm.
The device for improving the vertical compression-resistant bearing capacity of the steel pipe anchor static pressure pile is characterized in that two grouting galvanized pipes are symmetrically arranged in the steel pipe anchor static pressure pile, the bottoms of the grouting galvanized pipes are flush with the bottom of the steel pipe anchor static pressure pile, and the other ends of the grouting galvanized pipes extend to the upper portion of a raft and then are connected with a grouting pump.
The device for improving the vertical compression-resistant bearing capacity of the steel pipe anchor rod static pressure pile is characterized in that the grouting holes are formed in the outer wall of a 200mm pipe pile at the lowest part of the steel pipe anchor rod static pressure pile, and the grouting holes are uniformly distributed in a quincunx shape.
The utility model discloses a slip casting galvanized pipe and slip casting hole that set up realize squeezing into the stake end bottom with the thick liquid through the slip casting pipe to soil layer infiltration around outside stake end from the slip casting hole, thereby carry out the slip casting to steel pipe pile end and stake week soil body and consolidate, hinder with the end in order to improve the soil layer side, thereby improve the vertical resistance to compression bearing capacity of single pile.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure, 1-raft, 2-pile pressing holes, 3-steel pipe anchor rod static pressure piles, 4-grouting galvanized pipes, 5-gravel sections, 6-expanded concrete core filling sections and 7-pile shoes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, and specific embodiments will be given.
The utility model relates to a device for improving vertical compression resistance bearing capacity of a steel pipe anchor rod static pressure pile, the concrete structure of which is shown in figure 1, comprising a pile pressing hole arranged on a raft plate and the steel pipe anchor rod static pressure pile sinking towards the foundation direction through the pile pressing hole, wherein the bottom of the steel pipe anchor rod static pressure pile is opened, and a thick steel plate pile shoe with the height of 200mm and the wall thickness of 10mm is welded on the outer part of the lower part of the pile end of the steel pipe anchor rod static pressure pile for improving the pile body strength of the pile end and preventing distortion; the steel pipe anchor rod static pressure pile is internally provided with a grouting galvanized pipe in an inserting mode, a broken stone section and an expansion concrete core filling section are sequentially arranged in the steel pipe anchor rod static pressure pile from bottom to top, and a plurality of grouting holes are integrally formed in the outer wall of the pile end of the steel pipe anchor rod static pressure pile located at the broken stone section, so that slurry can be conveniently seeped outwards.
Furthermore, the two grouting galvanized pipes are symmetrically arranged in the steel pipe anchor rod static pressure pile, the bottoms of the grouting galvanized pipes are flush with the bottom of the steel pipe anchor rod static pressure pile, the other ends of the grouting galvanized pipes extend to the upper portion of the raft plate and then are connected with a grouting pump, the throwing height of the grouting galvanized pipes and crushed stone sections in the steel pipe anchor rod static pressure pile is 2300 plus 2700mm, grouting holes are formed in the outer wall of the 200 mm-lower pipe pile of the steel pipe anchor rod static pressure pile, and the grouting holes are uniformly distributed in a quincunx shape.
The utility model discloses the construction step is seted up the pressure stake hole on the raft, the steel pipe sinks to press, sink to press and carry out the clearance of the soil stopper in the steel pipe after target in place, the clearance finishes transferring the bottom of slip casting galvanized pipe until the steel pipe, then put in rubble and concrete, put in the back that finishes, pour into the steel pipe bottom through the grouting pump with slip casting galvanized pipe connection after passing through the slip casting galvanized pipe with the thick liquid, the slip casting galvanized pipe that will expose the raft after the slip casting is accomplished cuts the back from raft position and encapsulates.
The utility model discloses a plum blossom shape slip casting hole that sets up at the stake end, the processing thick liquid oozes to the foundation soil layer from the direction of difference in to the realization carries out the slip casting to steel-pipe pile tip and stake week soil body and consolidates, further improves the soil layer side and hinders with the end, improves the vertical resistance to compression bearing capacity of single pile.
Claims (6)
1. The utility model provides a device of vertical resistance to compression bearing capacity of improvement steel pipe stock static pressure pile, is including seting up in pile pressing hole (2) on raft board (1) and steel pipe stock static pressure pile (3) through pile pressing hole (2) to the ground direction sinking pressure, its characterized in that steel pipe stock static pressure pile (3) bottom opening, steel pipe stock static pressure pile (3) interpolation is provided with slip casting galvanized pipe (4), from upwards setting gradually rubble section (5) and inflation concrete core section (6) down in steel pipe stock static pressure pile (3), be located on the stake of steel pipe stock static pressure pile (3) of rubble section (5) and hold the outer wall on the integral type be provided with a plurality of slip casting holes.
2. The device for improving the vertical compression bearing capacity of the steel pipe anchor rod static pressure pile as claimed in claim 1, wherein the throwing height of the gravel section (5) is 2300 and 2700 mm.
3. The apparatus for improving the vertical compression bearing capacity of the steel pipe anchor static pile according to claim 1, wherein the pile shoe (7) is welded on the outer part of the lower part of the pile end of the steel pipe anchor static pile (3).
4. A device for increasing the vertical compressive bearing capacity of a steel pipe anchor static pile according to claim 3, wherein the pile shoe (7) is a thick steel plate with a height of 200mm and a wall thickness of 10 mm.
5. The device for improving the vertical compression-resistant bearing capacity of the steel pipe anchor static pile according to claim 1, wherein two grouting galvanized pipes (4) are symmetrically arranged in the steel pipe anchor static pile (3), the bottoms of the grouting galvanized pipes are flush with the bottom of the steel pipe anchor static pile (3), and the other ends of the grouting galvanized pipes (4) extend to the upper part of the raft (1) and then are connected with a grouting pump.
6. The device for improving the vertical compression bearing capacity of the steel pipe anchor static pressure pile according to claim 1, wherein the grouting holes are arranged on the outer wall of the 200mm pipe pile at the lowest part of the steel pipe anchor static pressure pile (3), and the grouting holes are uniformly arranged in a quincunx shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020956269.8U CN212772306U (en) | 2020-05-31 | 2020-05-31 | Device for improving vertical compression-resistant bearing capacity of steel pipe anchor rod static pressure pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020956269.8U CN212772306U (en) | 2020-05-31 | 2020-05-31 | Device for improving vertical compression-resistant bearing capacity of steel pipe anchor rod static pressure pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212772306U true CN212772306U (en) | 2021-03-23 |
Family
ID=75071252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020956269.8U Active CN212772306U (en) | 2020-05-31 | 2020-05-31 | Device for improving vertical compression-resistant bearing capacity of steel pipe anchor rod static pressure pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212772306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115522536A (en) * | 2022-08-23 | 2022-12-27 | 广西大学 | Preparation method of self-reinforced frictional resistance implanted pile and implanted pile manufactured by same |
-
2020
- 2020-05-31 CN CN202020956269.8U patent/CN212772306U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115522536A (en) * | 2022-08-23 | 2022-12-27 | 广西大学 | Preparation method of self-reinforced frictional resistance implanted pile and implanted pile manufactured by same |
| CN115522536B (en) * | 2022-08-23 | 2023-09-01 | 广西大学 | Preparation method of self-reinforced friction resistance implantation pile and implantation pile manufactured by same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7201540B2 (en) | Construction process for composite pile foundation | |
| CN105155551B (en) | Pressure compensation type foundation pit supporting structure and construction method | |
| CN107090860B (en) | Deviation rectifying and reinforcing structure of shallow foundation building and construction method thereof | |
| CN105201514B (en) | A kind of water-bearing stratum shaft wall structure and construction method | |
| CN101736738B (en) | Production method of pressure resistance and pull-out resistance grouted gravel pile | |
| CN207727600U (en) | Plugging dewatering well device | |
| CN208763204U (en) | A kind of vertical connecting structure of low layer assembled architecture prefabricated panel | |
| CN111519618A (en) | Post-grouting device for prestressed pipe pile and construction method thereof | |
| CN111794216A (en) | Construction method of uplift carrier pile | |
| CN212772306U (en) | Device for improving vertical compression-resistant bearing capacity of steel pipe anchor rod static pressure pile | |
| CN101936004A (en) | Precast expanding pile as well as construction method and construction mechanical equipment thereof | |
| CN113789779A (en) | Pile foundation structure applied to soft soil foundation and coral sand foundation and construction method | |
| CN1072746C (en) | Head and side grouting method for cast-in-situ pile | |
| CN112227353A (en) | Assembled integral static pressure pile | |
| CN111472363A (en) | Construction method of foundation pit enclosure structure located in underground space of existing building | |
| CN218597130U (en) | Side expands resistance to plucking rubble pile foundation structure that slip casting combines | |
| CN106677162A (en) | Stiff composite precast sheet pile envelope structure | |
| CN101545255B (en) | Method for manufacturing a PHC tubular pile in soft soil region through chambering and grouting | |
| CN207619975U (en) | A kind of prefabricated steel-pipe pile of Novel variable-section | |
| CN216586511U (en) | High-strength concrete bearing body with reserved hole and pressure type anti-floating pile | |
| CN108643215A (en) | Anchor pier formula foundation construction method after a kind of churning indentation variable cross-section | |
| CN212561545U (en) | Rear reinforcement support pile structure | |
| CN105951874B (en) | A kind of retaining wall reinforcement structure and its construction method | |
| CN210086236U (en) | Bearing capacity lifting device of cast-in-place pile and cast-in-place pile | |
| CN111894036B (en) | Construction method for additionally arranging basement on strip-shaped foundation building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |