CN114775588B - Sectional foundation pile and construction method thereof - Google Patents
Sectional foundation pile and construction method thereof Download PDFInfo
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- CN114775588B CN114775588B CN202210489680.2A CN202210489680A CN114775588B CN 114775588 B CN114775588 B CN 114775588B CN 202210489680 A CN202210489680 A CN 202210489680A CN 114775588 B CN114775588 B CN 114775588B
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 72
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 22
- 239000011150 reinforced concrete Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 2
- 230000002787 reinforcement Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application provides a sectional foundation pile which comprises an upper section pile pipe, a lower section pile pipe and a separated pile tip. The separated pile tip comprises a main body part and a split part; the lower end of the lower pile pipe is abutted against the main body part of the separated pile tip; the split part is annular and sleeved outside the lower pile pipe; the lower end of the upper section pile pipe is sleeved outside the upper end of the lower section pile pipe, and the lower end of the upper section pile pipe is propped against the split part of the split pile tip. The upper end of the upper section pile pipe is filled with an upper concrete body for blocking the upper end of the upper section pile pipe; the lower end of the upper section pile pipe is filled with a middle concrete body for plugging the lower end of the upper section pile pipe and cementing the lower end of the upper section pile pipe and the upper end of the lower section pile pipe together; the lower end of the lower section pile pipe is filled with a lower concrete body for blocking the lower end of the lower section pile pipe. The application also provides a construction method of the sectional foundation pile, which obviously reduces construction difficulty by sectional piling and is not easy to cause conditions of deflection, pile breakage and the like.
Description
Technical Field
The application relates to the field of building construction, in particular to a sectional foundation pile and a construction method thereof.
Background
An unstable soil layer exists under a building, a plurality of foundation piles are needed to be embedded in the construction ground during construction, the foundation piles penetrate through the soft high-compressibility soil layer or water, and the born load is transferred to a harder, denser or less-compressibility foundation bearing layer, so that stable bearing capacity is provided.
However, the existing foundation pile is in a long cylindrical shape, the construction difficulty of embedding the whole pile into a soil layer is high, and the time consumption is long. And the foundation pile is overlong in the piling process, so that the pile breaking, the skew and the like are easy to occur.
Disclosure of Invention
The application aims to provide a sectional foundation pile which comprises an upper section pile pipe, a lower section pile pipe and a separated pile tip, wherein the upper section pile pipe and the lower section pile pipe are hollow pipes.
The separated pile tip comprises a main body part and a split part; the lower end of the lower pile pipe is abutted against the main body part of the separated pile tip; the split part is annular and sleeved outside the lower pile pipe; the lower end of the upper section pile pipe is sleeved outside the upper end of the lower section pile pipe, and the lower end of the upper section pile pipe is propped against the split part of the split pile tip.
The upper end of the upper section pile pipe is filled with an upper concrete body for blocking the upper end of the upper section pile pipe; the lower end of the upper section pile pipe is filled with a middle concrete body for plugging the lower end of the upper section pile pipe and cementing the lower end of the upper section pile pipe and the upper end of the lower section pile pipe together; the lower end of the lower section pile pipe is filled with a lower concrete body for blocking the lower end of the lower section pile pipe.
The application further provides a construction method of the sectional foundation pile, which comprises the following steps:
providing an upper pile pipe, a lower pile pipe and a separated pile tip, wherein the upper pile pipe and the lower pile pipe are hollow pipes, the separated pile tip comprises a main body part and a separated part, a bearing part for bearing the separated part is arranged on the main body part of the separated pile tip, and the separated part of the separated pile tip is abutted against the bearing part so that the separated part is borne by the main body part;
mounting the separated pile tip at the lower end of the upper pile pipe, wherein the lower end of the upper pile pipe is propped against the split part of the separated pile tip;
pressing the upper pile pipe to press the upper pile pipe, the split part of the split pile tip and the main body part into the ground with the first depth;
placing the lower section pile pipe into the upper section pile pipe, wherein the lower end of the lower section pile pipe is propped against the main body part of the separated pile tip;
the lower pile pipe is pressed to press the lower pile pipe and the main body part of the separated pile tip into the ground at a second depth together, wherein the second depth is larger than the first depth.
Thereby to achieve segmented piling.
The sectional foundation pile comprises an upper section pile pipe and a lower section pile pipe, wherein the upper section pile pipe is pressed into the ground with a first depth during construction, and then the lower section pile pipe is placed into the upper section pile pipe and pressed into the ground with a second depth; the construction difficulty is remarkably reduced by sectional piling. And the upper section pile pipe is sleeved outside the lower section pile pipe, and when the lower section pile pipe is constructed, the lower section pile pipe is pressed into the ground by the pipe body of the upper section pile pipe in a guiding way, so that the conditions of deflection, pile breakage and the like are not easy to occur.
The pile tip of the technical scheme is a separated pile tip, and when the upper section pile pipe is constructed, the separated pile tip is taken as the pile tip of the upper section pile pipe and is pressed into the ground together with the upper section pile pipe; when the lower pile pipe is constructed, the main body part of the separated pile tip is separated from the separated part, and the pile tip serving as the lower pile pipe is pressed into the ground together with the lower pile pipe. The separated pile tip of the technical scheme is recycled in the segmented pile driving process, so that the penetrating capacity of the pile pipe at the upper section and the pile pipe at the lower section on a soil layer is improved when the pile pipe at the upper section and the pile pipe at the lower section are pressed, and the pile breaking prevention effect is realized.
The upper section pile pipe and the lower section pile pipe of the technical scheme are hollow pipes, and the upper end of the upper section pile pipe is plugged by filling an upper concrete body; plugging the lower end of the upper section pile pipe by filling the middle concrete body and cementing the lower end of the upper section pile pipe and the upper end of the lower section pile pipe together; and the lower end of the lower section pile pipe is blocked by filling the lower concrete body. The loading requirements of the foundation pile are met without filling the whole upper section pile pipe and the whole lower section pile pipe, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of a sectional foundation pile according to the present application.
Fig. 2-6 are schematic structural diagrams of the construction process of the sectional foundation pile of the present application.
Detailed Description
The scheme of the application is further described with reference to the accompanying drawings:
referring to fig. 1-6, a sectional foundation pile comprises an upper section pile pipe 1, a lower section pile pipe 2 and a separated pile tip 3, wherein the upper section pile pipe 1 and the lower section pile pipe 2 are hollow pipes.
The split pile tip 3 includes a main body 31 and a split 32. The lower end of the lower pile pipe 2 abuts against the main body 31 of the split pile toe 3. The split part 32 is annular and sleeved outside the lower pile pipe 2; the lower end of the upper pile pipe 1 is sleeved outside the upper end of the lower pile pipe 2, and the lower end of the upper pile pipe 1 is abutted against the split part 32 of the split pile tip 3.
The sectional foundation pile comprises an upper section pile pipe 1 and a lower section pile pipe 2, wherein the upper section pile pipe 1 is pressed into the ground with a first depth during construction, and then the lower section pile pipe 2 is placed into the upper section pile pipe 1 and pressed into the ground with a second depth; the construction difficulty is remarkably reduced by sectional piling. And the upper pile pipe 1 is sleeved outside the lower pile pipe 2, so that when the lower pile pipe 2 is constructed, the lower pile pipe 2 is pressed into the ground by the pipe body of the upper pile pipe 1 in a guiding way, and the conditions of deflection, pile breakage and the like are not easy to occur.
The main body 31 of the separable pile tip 3 is provided with a bearing portion 311 for bearing the separable part 32. In the technical scheme, the bearing part 311 is arranged so that when the upper pile pipe 1 drives the split part 32 of the split pile tip 3 into the ground, the split part 32 of the split pile tip 3 is contacted with the bearing part 311 for transmission to drive the main body part 31 into the ground.
The pile tip of the technical scheme is a separated pile tip 3, and when the upper section pile pipe 1 is constructed, the separated pile tip 3 is taken as the pile tip of the upper section pile pipe 1 and is pressed into the ground together with the upper section pile pipe 1; when the lower pile pipe 2 is constructed, the body 31 of the separable pile tip 3 is separated from the split part 32, and the pile tip serving as the lower pile pipe 2 is pushed into the ground together with the lower pile pipe 2. According to the technical scheme, the separated pile tip 3 is recycled in the segmented pile driving process, the penetrating capacity of the upper pile pipe 1 and the lower pile pipe 2 on a soil layer is increased when pressure is applied, and the pile breaking prevention effect is achieved.
The upper end of the upper pile pipe 1 is filled with an upper concrete body 4 for blocking the upper end of the upper pile pipe 1. The lower end of the upper pile pipe 1 is filled with a middle concrete body 5 for sealing the lower end of the upper pile pipe 1 and cementing the lower end of the upper pile pipe 1 and the upper end of the lower pile pipe 2 together. The lower end of the lower pile pipe 2 is filled with a lower concrete body 6 for blocking the lower end of the lower pile pipe 2.
According to the technical scheme, the upper section pile pipe 1 and the lower section pile pipe 2 are hollow pipes, and the upper end of the upper section pile pipe 1 is blocked by filling an upper concrete body 4; the lower end of the upper section pile pipe 1 is blocked by filling the middle concrete body 5, and the lower end of the upper section pile pipe 1 and the upper end of the lower section pile pipe 2 are glued together; the lower end of the lower pile pipe 2 is blocked by filling the lower concrete body 6. The loading requirements of the foundation pile are met without filling the whole upper-section pile pipe 1 and the whole lower-section pile pipe 2, and the cost is saved.
The main body 31 of the separated pile tip 3 seals the lower end of the lower pile pipe 2, and the main body 31 of the separated pile tip 3 is provided with a connecting part 312 inserted into the lower end of the lower pile pipe 2; the lower concrete body 6 is also used for cementing the lower end of the lower pile pipe 2 and the connecting part 312 of the main body part 31 of the separated pile tip 3 together; the diameter of the lower pile pipe 2 is smaller than that of the upper pile pipe 1.
According to the technical scheme, the main body 31 of the separated pile tip 3 is fixed through the lower concrete body 6 of the lower end of the plugging lower-section pile pipe 2, secondary construction fixation is not needed, and the efficiency is high and the cost is low.
The upper end of the lower pile pipe 2 is opened to form an upper end pipe orifice of the lower pile pipe 2, and a sealing cover plate 21 for sealing the upper end pipe orifice of the lower pile pipe 2 is arranged on the upper end cover of the lower pile pipe 2; the middle concrete body 5 covers the sealing cover plate 21.
The middle concrete body 5 of the technical scheme is covered on the sealing cover plate 21, so that the upper end of the lower pile pipe 2 is sealed.
In this embodiment, the sealing cover plate 21 is fixed on the upper pipe orifice of the lower pile pipe 2 in advance before construction.
The upper end of the upper pile pipe 1 is provided with a supporting plate 42 for supporting the upper concrete body 4. The upper concrete body 4 is a reinforced concrete structure body and comprises an upper reinforced concrete structure body 41 and an upper concrete structure body 43; the lower end of the upper steel bar structure 41 is welded with the supporting plate 42, so that the upper steel bar structure 41 and the supporting plate 42 are integrated into a whole to play a role of reinforcement; the upper end of the upper reinforcing bar structure 41 is penetrated out of the upper end of the upper pile pipe 1 for connection with other building elements.
In this embodiment, before the upper concrete structure 43 is poured, the upper steel bar structure 41 and the supporting plate 42 welded into a whole are placed into the upper end of the upper pile pipe 1, then the upper steel bar structure 41 is fixed by the upper end of the steel bar structure penetrating out of the upper end of the upper pile pipe 1, and finally the upper concrete structure 43 is poured.
The diameter of the supporting plate 42 is equal to the inner diameter of the upper pile pipe 1, so that the periphery of the supporting plate 42 is tightly attached to the inner wall of the upper pile pipe 1, and the phenomenon that the concrete falls to the lower end of the upper pile pipe 1 when the upper concrete structure 43 is poured is avoided.
The central concrete body 5 is also a reinforced concrete structure and comprises a central reinforcing structure 51 and a central concrete structure 52, the central reinforcing structure 51 falling above the sealing cover 21. The middle concrete body 52 is filled above the sealing cover plate 21 from the gap between the lower end of the upper pile pipe 1 and the upper end of the lower pile pipe 2, and completely covers the middle reinforcement body 51.
In this embodiment, the middle reinforcement structure 51 is placed on the sealing cover 21 before the middle concrete structure 52 is poured.
A construction method of a sectional foundation pile comprises the following steps:
an upper pile pipe 1, a lower pile pipe 2 and a split pile tip 3 are provided, the upper pile pipe 1 and the lower pile pipe 2 are hollow pipes, the split pile tip 3 comprises a main body part 31 and a split part 32, a bearing part 311 for bearing the split part 32 is arranged on the main body part 31 of the split pile tip 3, and the split part 32 of the split pile tip 3 is abutted against the bearing part 311, so that the split part 32 is borne by the main body part 31.
As shown in fig. 2, the split pile tip 3 is mounted at the lower end of the upper pile pipe 1, and the lower end of the upper pile pipe 1 is abutted against the split part 32 of the split pile tip 3; the upper pile pipe 1 is pressed so that the upper pile pipe 1, the split portion 32 of the split pile tip 3, and the main body portion 31 are pressed together into the ground at the first depth L1.
As shown in fig. 3, the lower pile pipe 2 is put into the upper pile pipe 1, and the lower end of the lower pile pipe 2 abuts against the main body 31 of the split pile tip 3.
Concrete is poured at the lower end of the lower pile pipe 2 to form a lower concrete body 6. Wherein the main body 31 of the split pile tip 3 seals the lower end of the lower pile pipe 2, and the main body 31 of the split pile tip 3 has a connecting portion 312 inserted into the lower end of the lower pile pipe 2; the lower concrete body 6 is also used for cementing the lower end of the lower pile tube 2 with the connecting portion 312 of the main body portion 31 of the split pile toe 3.
The upper end of the lower pile pipe 2 is opened to form an upper pipe orifice of the lower pile pipe 2; a sealing cover plate 21 is provided, and the sealing cover plate 21 is overlapped on the upper end of the lower-section pile pipe 2 to seal the upper end pipe orifice of the lower-section pile pipe 2.
As shown in fig. 4, the lower pile pipe 2 is pressed to press the lower pile pipe 2 and the main body 31 of the split pile tip 3 together into the ground at a second depth L2, wherein the second depth L2 is greater than the first depth L1, and the second depth L2 is only different from the first depth L1 by less than the length of the lower pile pipe 2.
As shown in fig. 5, concrete is poured into the lower end of the upper pile pipe 1 to form a middle concrete body 5.
Wherein, the middle concrete body 5 covers the sealing cover plate 21, and the middle concrete body 5 seals the lower end of the upper section pile pipe 1 and bonds the lower end of the upper section pile pipe 1 and the upper end of the lower section pile pipe 2 together.
The middle concrete body 5 is a reinforced concrete structure body and includes a middle reinforced concrete body 51 and a middle concrete body 52, and the middle reinforced concrete body 51 falls above the sealing cover plate 21. The middle concrete body 52 is filled above the sealing cover plate 21 from the gap between the lower end of the upper pile pipe 1 and the upper end of the lower pile pipe 2, and completely covers the middle reinforcement body 51.
In this embodiment, the middle reinforcement structure 51 is placed on the sealing cover 21 before the middle concrete structure 52 is poured.
As shown in fig. 6, after the middle concrete body 5 is formed, concrete is poured to the upper end of the upper-stage pile pipe 1 to form an upper concrete body 4 for blocking the upper end of the upper-stage pile pipe 1;
wherein, the upper end of the upper pile pipe 1 is provided with a supporting plate 42 for supporting the upper concrete body 4;
the upper concrete body 4 is a reinforced concrete structure body and comprises an upper reinforced concrete structure body 41 and an upper concrete structure body 43;
the lower end of the upper steel bar structure 41 is welded with the supporting plate 42, so that the upper steel bar structure 41 and the supporting plate 42 are integrated into a whole to play a role of reinforcement;
the upper end of the upper reinforcing bar structure 41 penetrates out of the upper end of the upper pile pipe 1 for connecting other building components;
in this embodiment, before the upper concrete structure 43 is poured, the upper steel bar structure 41 and the supporting plate 42 welded into a whole are placed into the upper end of the upper pile pipe 1, then the upper steel bar structure 41 is fixed by the upper end of the steel bar structure penetrating out of the upper end of the upper pile pipe 1, and finally the upper concrete structure 43 is poured.
The diameter of the supporting plate 42 is equal to the inner diameter of the upper pile pipe 1, so that the periphery of the supporting plate 42 is tightly attached to the inner wall of the upper pile pipe 1, and the phenomenon that the concrete falls to the lower end of the upper pile pipe 1 when the upper concrete structure 43 is poured is avoided.
The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present application, and all such technical deductions, substitutions, improvements made on the basis of the same, similar or similar embodiments of the present application should be regarded as the protection scope of the present patent.
Claims (7)
1. A segmented foundation pile, characterized by: the pile comprises an upper section pile pipe, a lower section pile pipe and a separated pile tip, wherein the upper section pile pipe and the lower section pile pipe are hollow pipes;
the separated pile tip comprises a main body part and a split part;
the lower end of the lower pile pipe is abutted against the main body part of the separated pile tip;
the split part is annular and sleeved outside the lower pile pipe;
the lower end of the upper section pile pipe is sleeved outside the upper end of the lower section pile pipe, and the lower end of the upper section pile pipe is propped against the split part of the split pile tip;
the main body part of the separated pile tip is provided with a bearing part for bearing the split part;
the upper end of the upper section pile pipe is filled with an upper concrete body for blocking the upper end of the upper section pile pipe;
the lower end of the upper section pile pipe is filled with a middle concrete body for plugging the lower end of the upper section pile pipe and cementing the lower end of the upper section pile pipe and the upper end of the lower section pile pipe together;
the lower end of the lower section pile pipe is filled with a lower concrete body for blocking the lower end of the lower section pile pipe;
the main body part of the separated pile tip seals the lower end of the lower section pile pipe, and the main body part of the separated pile tip is provided with a connecting part inserted into the lower end of the lower section pile pipe; the lower concrete body is also used for cementing the lower end of the lower pile pipe and the connecting part of the main body part of the separated pile tip together;
the diameter of the lower section pile pipe is smaller than that of the upper section pile pipe;
the upper end of the lower section pile pipe is opened to form an upper end pipe orifice of the lower section pile pipe, and a sealing cover plate for sealing the upper end pipe orifice of the lower section pile pipe is arranged on the upper end cover of the lower section pile pipe; the middle concrete body covers the sealing cover plate.
2. The segmented foundation pile of claim 1, wherein,
the upper end of the upper pile pipe is provided with a supporting plate for supporting the upper concrete body;
the upper concrete body is a reinforced concrete structure body and comprises an upper reinforced concrete structure body and an upper concrete structure body;
the lower end of the upper steel bar structure body is welded with the supporting plate;
the upper end of the upper reinforcing steel bar structure body penetrates out of the upper end of the upper pile pipe;
the diameter of the supporting plate is equal to the inner diameter of the upper section pile pipe.
3. The segmented foundation pile of claim 1, wherein,
the middle concrete body is also a reinforced concrete structure body and comprises a middle reinforced structure body which falls above the sealing cover plate.
4. The construction method of the sectional foundation pile is characterized by comprising the following steps of:
providing an upper pile pipe, a lower pile pipe and a separated pile tip, wherein the upper pile pipe and the lower pile pipe are hollow pipes, the separated pile tip comprises a main body part and a separated part, a bearing part for bearing the separated part is arranged on the main body part of the separated pile tip, and the separated part of the separated pile tip is abutted against the bearing part so that the separated part is borne by the main body part;
mounting the separated pile tip at the lower end of the upper pile pipe, wherein the lower end of the upper pile pipe is propped against the split part of the separated pile tip;
pressing the upper pile pipe to press the upper pile pipe, the split part of the split pile tip and the main body part into the ground with the first depth;
placing the lower section pile pipe into the upper section pile pipe, wherein the lower end of the lower section pile pipe is propped against the main body part of the separated pile tip;
the lower pile pipe is pressed to press the lower pile pipe and the main body part of the separated pile tip into the ground at a second depth together, wherein the second depth is larger than the first depth.
5. The construction method according to claim 4, wherein:
before the lower pile pipe is pressurized, concrete is poured at the lower end of the lower pile pipe to form a lower concrete body;
the main body part of the separated pile tip is provided with a connecting part inserted into the lower end of the lower pile pipe; the lower concrete body is also used for cementing the lower end of the lower pile pipe and the connecting part of the main body part of the separated pile tip together.
6. The construction method according to claim 5, wherein:
the upper end of the lower pile pipe is opened to form an upper pipe orifice of the lower pile pipe;
providing a sealing cover plate, and stacking the sealing cover plate on the upper end of the lower-section pile pipe to seal the pipe orifice at the upper end of the lower-section pile pipe before pressing the lower-section pile pipe;
pouring concrete at the lower end of the upper section pile pipe to form a middle concrete body;
the middle concrete body covers the sealing cover plate, and seals the lower end of the upper section pile pipe and bonds the lower end of the upper section pile pipe and the upper end of the lower section pile pipe together.
7. The construction method according to claim 6, wherein:
after the middle concrete body is formed, pouring concrete to the upper end of the upper section pile pipe to form an upper concrete body for blocking the upper end of the upper section pile pipe;
the upper end of the upper pile pipe is provided with a supporting plate for supporting the upper concrete body;
the upper concrete body is a reinforced concrete structure body and comprises an upper reinforced concrete structure body and an upper concrete structure body;
the lower end of the upper steel bar structure body is welded with the supporting plate;
the upper end of the upper reinforcing steel bar structure body penetrates out of the upper end of the upper pile pipe;
the diameter of the supporting plate is equal to the inner diameter of the upper section pile pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021115177930 | 2021-12-13 | ||
| CN202111517793.0A CN113969578A (en) | 2021-12-13 | 2021-12-13 | Sectional type foundation pile and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114775588A CN114775588A (en) | 2022-07-22 |
| CN114775588B true CN114775588B (en) | 2023-08-18 |
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| CN202111517793.0A Pending CN113969578A (en) | 2021-12-13 | 2021-12-13 | Sectional type foundation pile and construction method thereof |
| CN202210489680.2A Active CN114775588B (en) | 2021-12-13 | 2022-05-07 | Sectional foundation pile and construction method thereof |
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| CN202111517793.0A Pending CN113969578A (en) | 2021-12-13 | 2021-12-13 | Sectional type foundation pile and construction method thereof |
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| JP2015055106A (en) * | 2013-09-12 | 2015-03-23 | 株式会社大林組 | Underground structure, and method of reconstructing building structure with underground skeleton |
| JP2015175193A (en) * | 2014-03-17 | 2015-10-05 | 新日鐵住金株式会社 | Both-end tapered pile, connected tapered pile, construction method of connection tapered pile and liquefaction countermeasure structure |
| CN204000847U (en) * | 2014-08-02 | 2014-12-10 | 柴子栋 | A kind of building foundation pile element |
| CN205077480U (en) * | 2015-07-31 | 2016-03-09 | 中国建筑第八工程局有限公司 | Double cannula bored concrete pile structure |
| CN111350181A (en) * | 2020-03-26 | 2020-06-30 | 上海杰地建筑设计有限公司 | Precast concrete tubular pile only bearing anti-pulling effect |
Also Published As
| Publication number | Publication date |
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| CN114775588A (en) | 2022-07-22 |
| CN113969578A (en) | 2022-01-25 |
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