CN112227353A - Assembled integral static pressure pile - Google Patents
Assembled integral static pressure pile Download PDFInfo
- Publication number
- CN112227353A CN112227353A CN202011289263.0A CN202011289263A CN112227353A CN 112227353 A CN112227353 A CN 112227353A CN 202011289263 A CN202011289263 A CN 202011289263A CN 112227353 A CN112227353 A CN 112227353A
- Authority
- CN
- China
- Prior art keywords
- pile
- column
- static pressure
- pile body
- hydrostatic
- 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.)
- Pending
Links
- 230000003068 static effect Effects 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 claims 8
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 239000002689 soil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011440 grout Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/72—Pile shoes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Abstract
The invention discloses an assembled integral type static pressure pile, which comprises a pile guide device, a pile body, a static pressure stress sleeve column and a bearing platform conversion layer, wherein the pile guide device is arranged on the pile body; the pile guide device is arranged at the bottom of the pile body; the bearing platform conversion layer is connected with the pile body and the static pressure stressed sleeve column; the static pressure stressed sleeve column comprises an inner column and an outer column, and a concrete grouting space is reserved between the inner column and the outer column. The invention adopts the square pile column, is prefabricated in factories, can directly carry out static pressure on the integrated pile column to the corresponding position, saves the construction time and labor, reduces the construction process and increases the bearing capacity of the pile body. The invention is suitable for building structures such as an assembled integral building foundation, an assembled integral vertical underground parking garage, an assembled integral underground space, an assembled integral river retaining dam and the like.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an assembled integral type static pressure pile.
Background
With the development of economic society, the demands of high-rise buildings and underground spaces and foundation reinforcement technology are the key points and focuses in the fields of civil engineering, traffic engineering and the like. The method is simple in process, easy to operate, high in construction speed, capable of achieving the purposes of saving materials, free of vibration, free of noise, small in construction stress and free of environment pollution, and can objectively reflect the bearing force conditions of a base layer and a single pile in real time by utilizing construction termination pressure.
The pile part of the assembled integral static pressure pile belongs to a soil squeezing pile, the soil squeezing effect is obvious, on one hand, the soil squeezing effect can improve the side friction resistance of the engineering pile and increase the bearing capacity of a single pile, particularly, in areas with widely distributed soft soil, a hardened sand layer with certain thickness is mixed in a reinforced foundation, the pile is difficult to sink, the pile end cannot reach the designed elevation, and the application and popularization of the static pressure pile reinforced foundation are limited to a great extent. Therefore, there is a need to develop a new pile sinking construction process for static pressure piles which is safe, reliable, convenient to construct and effective in water resistance.
Disclosure of Invention
In order to solve the problems, the invention provides the assembled integral type static pressure pile which is safe and reliable, is convenient to construct, can effectively reduce the soil squeezing effect in the construction of the static pressure pile and can reduce the adverse effects on surrounding buildings and the environment.
The technical scheme adopted by the invention is as follows: an assembled integral type static pressure pile comprises a pile guide device, a pile body, a static pressure stress sleeve column and a bearing platform conversion layer; the pile guide device is arranged at the bottom of the pile body; the bearing platform conversion layer is connected with the pile body and the static pressure stressed sleeve column; the static pressure stressed sleeve column comprises an inner column and an outer column, and a concrete grouting space is reserved between the inner column and the outer column.
Further, the pile guide device is a square pointed cone and comprises a steel pile tip and a concrete pile, and the pile tip is pre-embedded at the end part of the concrete pile; the pile tip and the concrete pile are fixedly connected through a steel bar embedded part.
Furthermore, the pile body is a rigid stressed framework formed by binding longitudinal stressed steel bars and transverse stirrups, longitudinal grouting pipes and oblique grouting pipe branches are bound in the framework, and concrete is poured through a mould for forming.
Furthermore, the grouting pipe is arranged in the middle of four sides of the pile body and is made of seamless high-pressure steel pipes.
Furthermore, one end of the grouting pipe branch line is connected with the grouting pipe, and a pipeline plugging hinge is arranged at the other end facing the pile tip.
Furthermore, a reinforcing steel bar penetrating hole is reserved in the side face of the bearing platform conversion layer.
Furthermore, a cup mouth for connecting the inner column is reserved at the top end of the pile body and is connected through a tongue-and-groove, and the stressed steel bar inside the inner column is connected with the pile body.
Furthermore, a lower slurry inlet and a upper slurry outlet are arranged on the outer column.
Furthermore, beam plate preformed grooves are formed in the static pressure stress sleeve columns.
The invention has the following beneficial effects: the invention adopts the square pile column, is prefabricated in factories, can directly carry out static pressure on the integrated pile column to the corresponding position, saves the construction time and labor, reduces the construction process and increases the bearing capacity of the pile body. The invention is suitable for building structures such as an assembled integral building foundation, an assembled integral vertical underground parking garage, an assembled integral underground space, an assembled integral river retaining dam and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a schematic diagram of a beam slab groove reservation structure;
in the figure: the method comprises the following steps of 1-pile guiding device, 101-pile tip, 102-steel bar embedded part, 103-concrete pile, 2-pile body, 201-grouting pipe branch line, 202-grouting pipe, 203-stressed steel bar, 204-stirrup, 3-inner column, 4-outer column, 401-grouting space, 402-lower grouting hole, 403-upper grouting overflow hole, 5-beam plate reserved groove, 6-steel bar crossing hole, 7-rabbet and 8-bearing platform conversion layer.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 3, the invention is an assembled integral type static pressure pile, which comprises a pile guide device 1, a pile body 2, a static pressure stressed sleeve column and a bearing platform conversion layer 8; the pile guide device 1 is arranged at the bottom of the pile body 2; the bearing platform conversion layer 8 is connected with the pile body 2 and the static pressure stressed sleeve column; the static pressure stress sleeve column comprises an inner column 3 and an outer column 4, and the inner column 3 is higher than the outer column 4 so as to facilitate the connection of the inner column 3. A concrete grouting space 401 is left between the inner column 3 and the outer column 4.
In the invention, the pile guide device 1 comprises a quadrangular pyramid-shaped pile tip 101 and a concrete pile 103, wherein the pile tip 101 is manufactured by welding steel plates, the pile tip 101 is anchored at the end part of the concrete pile 103 through a steel bar embedded part 102, and the maximum width of the cone body of the pile guide device 1 is the same as that of the pile body 2.
The pile body 2 is a rigid stressed framework formed by binding a longitudinal stressed steel bar 203 and a transverse stirrup 204, a longitudinal grouting pipe 202 and an oblique grouting pipe branch line 201 are bound in the framework, and concrete is poured and formed through a mould after the pile body is concealed and accepted. The whole pile body 2 can be processed and manufactured in a factory. As shown in fig. 2, the grouting pipe 202 is arranged in the middle of four sides of the pile body 2 and is made of seamless high-pressure steel pipe. One end of the grouting pipe branch line 201 is connected with a grouting pipe 202, the other end facing the pile tip 1 position is provided with a pipeline plugging hinge, when the pile is subjected to static pressure to a designated position, pressure grouting is carried out, and pressure grouting can be carried out after the plugging cover is jacked open.
The top end of the pile body 2 is reserved with a cup mouth connected with the inner column 3 and a right joint, the cup mouth is connected with the groove 7, and the stressed steel bar inside the inner column 3 is connected with the pile body 2.
A reinforcing steel bar penetrating hole 6 is reserved in the side face of the bearing platform conversion layer at the top of the pile body 2, and when the bearing platform conversion layer is manufactured, the bearing platform pressed reinforcing steel bars can penetrate through the pile body, so that the load of the pile is increased.
As shown in fig. 4, since the outer column 4 is installed outside the inner column 3, and is vertically aligned and filled with more than one grade of grout than concrete, and needs to be filled from bottom to top, a lower grout inlet 402 and an upper grout outlet 403 are formed in the outer column 4, and are filled in the grouting space 401 until the upper grout outlet 403 overflows.
Be equipped with beam slab preformed groove 5 on the static pressure atress socle that is formed by interior post 3 and outer post 4 combination, during actual construction according to drawing deepening and design beam slab thickness confirm the height of beam slab preformed groove 5 for install the beam slab on outer post 4 top and with the interior tension reinforcing bar anchor of beam slab on interior post 3.
By applying the invention to the assembly integral type building, the engineering quality can be effectively improved, and the construction period can be effectively shortened. Various changes or modifications may be made in the integrated techniques of assembly in the field without departing from the general concept of the invention and shall fall within the scope of the claims.
Claims (9)
1. The utility model provides an assemble integral static pressure stake which characterized in that: the pile comprises a pile guide device, a pile body, a static pressure stress sleeve column and a bearing platform conversion layer; the pile guide device is arranged at the bottom of the pile body; the bearing platform conversion layer is connected with the pile body and the static pressure stressed sleeve column; the static pressure stressed sleeve column comprises an inner column and an outer column, and a concrete grouting space is reserved between the inner column and the outer column.
2. The assembled monolithic hydrostatic pile of claim 1, wherein: the pile guide device is a square pointed cone and comprises a steel pile tip and a concrete pile, and the pile tip is embedded in the end part of the concrete pile; the pile tip and the concrete pile are fixedly connected through a steel bar embedded part.
3. The assembled monolithic hydrostatic pile of claim 1, wherein: the pile body is a rigid stressed framework formed by binding longitudinal stressed steel bars and transverse stirrups, longitudinal grouting pipes and oblique grouting pipe branches are bound in the framework, and concrete is poured and formed through a mold.
4. An assembled monolithic hydrostatic pile according to claim 3, characterized in that: the grouting pipe is arranged in the middle of four sides of the pile body and is made of seamless high-pressure steel pipes.
5. An assembled monolithic hydrostatic pile according to claim 3, characterized in that: one end of the grouting pipe branch line is connected with the grouting pipe, and a pipeline plugging hinge is arranged at the other end facing the pile tip.
6. The assembled monolithic hydrostatic pile of claim 1, wherein: and a reinforcing steel bar penetrating hole is reserved on the side surface of the bearing platform conversion layer.
7. The assembled monolithic hydrostatic pile of claim 1, wherein: the top end of the pile body is reserved with a cup mouth connected with the inner column and connected through a tongue-and-groove, and the stressed steel bar inside the inner column is connected with the pile body.
8. The assembled monolithic hydrostatic pile of claim 1, wherein: and the outer column is provided with a lower slurry inlet and a slurry inlet overflow hole.
9. The assembled monolithic hydrostatic pile of claim 1, wherein: and the static pressure stress sleeve column is provided with a beam plate preformed groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233142 | 2020-11-06 | ||
| CN2020112331424 | 2020-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112227353A true CN112227353A (en) | 2021-01-15 |
Family
ID=74123643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011289263.0A Pending CN112227353A (en) | 2020-11-06 | 2020-11-18 | Assembled integral static pressure pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112227353A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942316A (en) * | 2021-01-29 | 2021-06-11 | 江苏地基工程有限公司 | Prefabricated square pile and construction process thereof |
| CN115522560A (en) * | 2022-10-12 | 2022-12-27 | 国网江苏省电力有限公司南通供电分公司 | Factory prefabricated foundation of cement pole foundation |
-
2020
- 2020-11-18 CN CN202011289263.0A patent/CN112227353A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942316A (en) * | 2021-01-29 | 2021-06-11 | 江苏地基工程有限公司 | Prefabricated square pile and construction process thereof |
| CN115522560A (en) * | 2022-10-12 | 2022-12-27 | 国网江苏省电力有限公司南通供电分公司 | Factory prefabricated foundation of cement pole foundation |
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