CN113969578A - Sectional type foundation pile and construction method thereof - Google Patents
Sectional type foundation pile and construction method thereof Download PDFInfo
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- CN113969578A CN113969578A CN202111517793.0A CN202111517793A CN113969578A CN 113969578 A CN113969578 A CN 113969578A CN 202111517793 A CN202111517793 A CN 202111517793A CN 113969578 A CN113969578 A CN 113969578A
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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
- E02D5/52—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
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- 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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Abstract
The invention provides a sectional type 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 tube is abutted against the main body part of the separated pile tip; the split part is annular and is sleeved outside the lower section pile pipe; the lower end of the upper section of pile pipe is sleeved outside the upper end of the lower section of pile pipe, and the lower end of the upper section of pile pipe is abutted against the split part of the separated pile tip. The upper end of the upper section pile pipe is filled with an upper concrete body for plugging 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 which is used 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 plugging the lower end of the lower section pile pipe. The invention also provides a construction method of the sectional type foundation pile, which remarkably reduces the construction difficulty by piling in sections and is not easy to have the conditions of deflection, pile breakage and the like.
Description
Technical Field
The invention relates to the field of building construction, in particular to a sectional type foundation pile and a construction method thereof.
Background
There is unstable soil layer under the building, need during the construction many foundation piles of embedding at the construction ground bottom, and the foundation pile passes through soft high compressibility soil layer or water, transmits the load that bears to on harder, more closely knit or the less foundation bearing layer of compressibility to provide stable bearing capacity.
However, the existing foundation pile is in a long strip cylindrical shape, so that the construction difficulty of embedding the whole pile into a soil layer is high, and the time consumption is long. And the condition such as pile breakage, skew appear easily in the pile driving process of foundation pile overlength.
Disclosure of Invention
The invention aims to provide a sectional type 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 tube is abutted against the main body part of the separated pile tip; the split part is annular and is sleeved outside the lower section pile pipe; the lower end of the upper section of pile pipe is sleeved outside the upper end of the lower section of pile pipe, and the lower end of the upper section of pile pipe is abutted against the split part of the separated pile tip.
The upper end of the upper section pile pipe is filled with an upper concrete body for plugging 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 which is used 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 plugging the lower end of the lower section pile pipe.
Another objective of the present invention is to provide a construction method of a segmental foundation pile, comprising the following steps:
providing an upper section of pile pipe, a lower section of pile pipe and a separated pile tip, wherein the upper section of pile pipe and the lower section of pile pipe are hollow pipes, the separated pile tip comprises a main body part and a split part, the main body part of the separated pile tip is provided with a bearing part for bearing the split part, and the split part of the separated pile tip is abutted against the bearing part so that the split part is borne by the main body part;
installing a separated pile tip at the lower end of an upper section of pile pipe, wherein the lower end of the upper section of pile pipe abuts against a part of the separated pile tip;
pressing the upper section of pile pipe to press the upper section of pile pipe, the split part of the separated pile tip and the main body part into the ground with a first depth;
placing the lower section of pile pipe into the upper section of pile pipe, wherein the lower end of the lower section of pile pipe is abutted against the main body part of the separated pile tip;
and pressing the lower pile pipe to press the lower pile pipe and the main body part of the separated pile tip into the ground at a second depth, wherein the second depth is greater than the first depth.
Thereby achieving the segmental piling.
The sectional type 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; through the sectional piling, the construction difficulty is obviously reduced. And the upper section of pile pipe is sleeved outside the lower section of pile pipe, and when the lower section of pile pipe is constructed, the pipe body of the upper section of pile pipe of the lower section of pile pipe is pressed into the ground as a guide, so that the situations 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 an upper section of pile pipe is constructed, the separated pile tip is used as the pile tip of the upper section of pile pipe and is pressed into the ground together with the upper section of pile pipe; when constructing the lower pile pipe, the main body part of the separable pile tip is separated from the split part, and the pile tip as the lower pile pipe is pressed into the ground together with the lower pile pipe. The separated pile tip of the technical scheme can be repeatedly used in the process of piling in sections, the penetration capacity to the soil layer is increased when the upper section pile pipe and the lower section pile pipe are pressed, and the pile breaking is prevented.
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; the lower end of the upper section pile pipe is plugged by filling a middle concrete body, and the lower end of the upper section pile pipe and the upper end of the lower section pile pipe are glued together; the lower end of the lower pile pipe is sealed by filling the lower concrete body. The bearing requirement of the foundation pile can be met without filling the whole upper section pile pipe and the lower section pile pipe, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of a segmental foundation pile of the present invention.
Fig. 2 to 6 are schematic structural views illustrating a construction process of a segmental foundation pile according to the present invention.
Detailed Description
The application scheme is further described below with reference to the accompanying drawings:
referring to the attached drawings 1-6, the sectional type 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 separate point 3 includes a main body portion 31 and a separate body portion 32. The lower end of the lower pile tube 2 abuts against the body 31 of the separable pile tip 3. The split part 32 is annularly sleeved outside the lower pile tube 2; the lower end of the upper section pile pipe 1 is sleeved outside the upper end of the lower section pile pipe 2, and the lower end of the upper section pile pipe 1 is abutted against the split part 32 of the separated pile tip 3.
The sectional type 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; through the sectional piling, the construction difficulty is obviously reduced. And the upper section of pile pipe 1 is sleeved outside the lower section of pile pipe 2, when the lower section of pile pipe 2 is constructed, the pipe body of the upper section of pile pipe 1 of the lower section of pile pipe 2 is pressed into the ground as the guide, so that the situations 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 split portion 32. According to the technical scheme, the bearing part 311 is arranged so that when the split part 32 of the separated pile tip 3 is driven into the ground by the upper-section pile pipe 1, the main body part 31 is driven into the ground through the contact transmission of the split part 32 of the separated pile tip 3 and the bearing part 311.
The pile tip of the technical scheme is a separated pile tip 3, and when an upper section of pile pipe 1 is constructed, the separated pile tip 3 is used as the pile tip of the upper section of pile pipe 1 and is pressed into the ground together with the upper section of pile pipe 1; when constructing the lower pile tube 2, the main body 31 of the separable pile toe 3 is separated from the separate part 32, and the toe of the lower pile tube 2 is pressed into the ground together with the lower pile tube 2. The separated pile tip 3 of the technical scheme is repeatedly used in the process of piling in sections, the penetration capacity to the soil layer is improved when the upper section pile pipe 1 and the lower section pile pipe 2 are pressed, and the effect of preventing pile breakage is achieved.
The upper end of the upper section pile pipe 1 is filled with an upper concrete body 4 for plugging the upper end of the upper section pile pipe 1. The lower end of the upper section pile pipe 1 is filled with a middle concrete body 5 which is used for plugging the lower end of the upper section pile pipe 1 and cementing the lower end of the upper section pile pipe 1 and the upper end of the lower section pile pipe 2 together. The lower end of the lower pile tube 2 is filled with a lower concrete body 6 for plugging the lower end of the lower pile tube 2.
The upper section pile pipe 1 and the lower section pile pipe 2 of the technical scheme are both hollow pipes, and the upper end of the upper section pile pipe 1 is sealed by filling an upper concrete body 4; the lower end of the upper section pile pipe 1 is sealed and plugged 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 plugged by filling the lower concrete body 6. The bearing requirement of the foundation pile can be met without filling the whole upper section pile pipe 1 and the lower section pile pipe 2, and the cost is saved.
The main body 31 of the separable pile toe 3 blocks the lower end of the lower pile tube 2, and the main body 31 of the separable pile toe 3 has a connecting part 312 inserted into the lower end of the lower pile tube 2; the lower concrete body 6 is also used for cementing the lower end of the lower pile tube 2 and the connecting part 312 of the main body part 31 of the separated pile tip 3; the diameter of the lower section pile pipe 2 is smaller than that of the upper section pile pipe 1.
According to the technical scheme, the main body part 31 of the separated pile tip 3 is fixed through the lower concrete body 6 for plugging the lower end of the lower section pile pipe 2, secondary construction is not needed for fixing, and the device is high in efficiency and low in cost.
The upper end of the lower section pile pipe 2 is opened to form an upper end pipe orifice of the lower section pile pipe 2, and the upper end of the lower section pile pipe 2 is covered with a sealing cover plate 21 for plugging the upper end pipe orifice of the lower section pile pipe 2; the middle concrete body 5 covers the sealing cover plate 21.
The middle concrete body 5 of the technical scheme covers the sealing cover plate 21 to strengthen the sealing of the upper end of the lower pile tube 2.
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 tube 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 and includes an upper reinforced concrete structure 41 and an upper concrete structure 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 in strengthening; the upper end of the upper steel structure body 41 penetrates out of the upper end of the upper pile tube 1 to be used for connecting other building components.
In this embodiment, before the upper concrete structure 43 is poured, the upper steel structure 41 and the supporting plate 42 that are welded together are placed inside the upper end of the upper pile pipe 1, the upper end of the steel structure that penetrates out of the upper end of the upper pile pipe 1 is used to fix the upper steel structure 41, 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 section pile pipe 1, so that the periphery of the supporting plate 42 is tightly attached to the inner wall of the upper section pile pipe 1, and the phenomenon that the concrete falls to the lower end of the upper section pile pipe 1 when the upper section concrete structure 43 is poured is avoided.
The middle concrete body 5 is also a reinforced concrete structure and includes a middle reinforced concrete body 51 and a middle concrete body 52, and the middle reinforced concrete body 51 falls on the sealing cover plate 21. The middle concrete structure 52 is filled above the sealing cover plate 21 from the gap between the lower end of the upper pile tube 1 and the upper end of the lower pile tube 2, and completely covers the middle steel bar structure 51.
In this embodiment, before pouring the middle concrete structure 52, the middle steel structure 51 is placed on the sealing cover plate 21.
A construction method of a sectional type foundation pile comprises the following steps:
the upper section pile pipe 1, the lower section pile pipe 2 and the separated type pile tip 3 are provided, the upper section pile pipe 1 and the lower section pile pipe 2 are hollow pipes, the separated type pile tip 3 comprises a main body part 31 and a separated part 32, a bearing part 311 used for bearing the separated part 32 is arranged on the main body part 31 of the separated type pile tip 3, and the separated part 32 of the separated type pile tip 3 is abutted against the bearing part 311 so that the separated part 32 is borne by the main body part 31.
As shown in fig. 2, the separated pile tip 3 is installed at the lower end of the upper section pile pipe 1, and the lower end of the upper section pile pipe 1 abuts against the split part 32 of the separated pile tip 3; the upper pile pipe 1 is pressed so that the upper pile pipe 1, the split part 32 of the separable toe 3, and the main body 31 are collectively pressed into the ground at the first depth L1.
As shown in fig. 3, the lower pile tube 2 is inserted into the upper pile tube 1, and the lower end of the lower pile tube 2 abuts against the body 31 of the separable pile toe 3.
The lower end of the lower section pile pipe 2 is poured with concrete to form a lower concrete body 6. Wherein the main body 31 of the separable pile tip 3 blocks the lower end of the lower pile tube 2, and the main body 31 of the separable pile tip 3 has a connecting part 312 inserted into the lower end of the lower pile tube 2; the lower concrete body 6 is also used to bond the lower end of the lower pile tube 2 to the connection portion 312 of the body 31 of the detachable pile tip 3.
The upper end of the lower section pile pipe 2 is opened to form an upper end pipe orifice of the lower section pile pipe 2; providing a sealing cover plate 21, and overlapping the sealing cover plate 21 on the upper end of the lower pile pipe 2 to seal the upper pipe orifice of the lower pile pipe 2.
As shown in fig. 4, lower pile tube 2 is pressed to push lower pile tube 2 and main body 31 of split point 3 into the ground at a second depth L2, wherein second depth L2 is greater than first depth L1 and second depth L2 differs from first depth L1 by less than the length of lower pile tube 2.
As shown in fig. 5, concrete is poured into the lower end of the upper pile tube 1 to form a middle concrete body 5.
Wherein, the middle concrete body 5 covers the sealing cover plate 21, the middle concrete body 5 plugs the lower end of the upper section pile pipe 1 and glues 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 and includes a middle reinforced concrete body 51 and a middle concrete body 52, and the middle reinforced concrete body 51 falls on the sealing cover plate 21. The middle concrete structure 52 is filled above the sealing cover plate 21 from the gap between the lower end of the upper pile tube 1 and the upper end of the lower pile tube 2, and completely covers the middle steel bar structure 51.
In this embodiment, before pouring the middle concrete structure 52, the middle steel structure 51 is placed on the sealing cover plate 21.
As shown in fig. 6, after the middle concrete body 5 is formed, concrete is poured to the upper end of the upper pile pipe 1 to form an upper concrete body 4 for blocking the upper end of the upper pile pipe 1;
wherein, the upper end of the upper pile tube 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 and includes an upper reinforced concrete structure 41 and an upper concrete structure 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 in strengthening;
the upper end of the upper steel bar structure body 41 penetrates out of the upper end of the upper section pile pipe 1 to be used for connecting other building components;
in this embodiment, before the upper concrete structure 43 is poured, the upper steel structure 41 and the supporting plate 42 that are welded together are placed inside the upper end of the upper pile pipe 1, the upper end of the steel structure that penetrates out of the upper end of the upper pile pipe 1 is used to fix the upper steel structure 41, 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 section pile pipe 1, so that the periphery of the supporting plate 42 is tightly attached to the inner wall of the upper section pile pipe 1, and the phenomenon that the concrete falls to the lower end of the upper section pile pipe 1 when the upper section concrete structure 43 is poured is avoided.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (10)
1. A sectional type foundation pile which is characterized in that: the pile comprises an upper section of pile pipe, a lower section of pile pipe and a separated pile tip, wherein the upper section of pile pipe and the lower section of 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 tube is abutted against the main body part of the separated pile tip;
the split part is annular and is sleeved outside the lower section pile pipe;
the lower end of the upper section of pile pipe is sleeved outside the upper end of the lower section of pile pipe, and the lower end of the upper section of pile pipe is abutted against the split part of the separated pile tip;
the upper end of the upper section pile pipe is filled with an upper concrete body for plugging 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 which is used 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 plugging the lower end of the lower section pile pipe.
2. The segmented foundation pile of claim 1,
the main body part of the separated pile tip is used for plugging the lower end of the lower section of the pile pipe and is provided with a connecting part inserted into the lower end of the lower section of the pile pipe; the lower concrete body is also used for cementing the lower end of the lower section 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.
3. The segmented foundation pile of claim 1,
the upper end of the lower section of pile pipe is opened to form an upper end pipe orifice of the lower section of pile pipe, and the upper end of the lower section of pile pipe is covered with a sealing cover plate for plugging the upper end pipe orifice of the lower section of pile pipe;
the middle concrete body covers the sealing cover plate.
4. The segmented foundation pile of claim 1,
the upper end of the upper section pile pipe is provided with a supporting plate for supporting an 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 steel bar structure body penetrates out of the upper end of the upper section pile pipe;
the diameter of the supporting plate is equal to the inner diameter of the upper section of the pile pipe.
5. The segmented foundation pile of claim 3,
the middle concrete body is also a reinforced concrete structure body and comprises a middle reinforced steel bar structure body, and the middle reinforced steel bar structure body falls above the sealing cover plate.
6. A segmented foundation pile according to any one of claims 1 to 5,
the main body part of the separated pile tip is provided with a bearing part for bearing the partial body part.
7. A construction method of a sectional type foundation pile is characterized by comprising the following steps:
providing an upper section of pile pipe, a lower section of pile pipe and a separated pile tip, wherein the upper section of pile pipe and the lower section of pile pipe are hollow pipes, the separated pile tip comprises a main body part and a split part, the main body part of the separated pile tip is provided with a bearing part for bearing the split part, and the split part of the separated pile tip is abutted against the bearing part so that the split part is borne by the main body part;
installing a separated pile tip at the lower end of an upper section of pile pipe, wherein the lower end of the upper section of pile pipe abuts against a part of the separated pile tip;
pressing the upper section of pile pipe to press the upper section of pile pipe, the split part of the separated pile tip and the main body part into the ground with a first depth;
placing the lower section of pile pipe into the upper section of pile pipe, wherein the lower end of the lower section of pile pipe is abutted against the main body part of the separated pile tip;
and pressing the lower pile pipe to press the lower pile pipe and the main body part of the separated pile tip into the ground at a second depth, wherein the second depth is greater than the first depth.
8. The construction method according to claim 7, wherein:
before the lower section of pile pipe is pressed, concrete is poured to the lower end of the lower section of pile pipe to form a lower concrete body;
wherein the main body part of the separated pile tip is used for plugging the lower end of the lower section pile pipe and 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 tube and the connecting part of the main body part of the separated pile tip together.
9. The construction method according to claim 8, wherein:
the upper end of the lower section pile pipe is opened to form an upper end pipe orifice of the lower section pile pipe;
providing a sealing cover plate, and before applying pressure to the lower section of pile pipe, overlapping the sealing cover plate on the upper end of the lower section of pile pipe to seal the upper end pipe orifice of the lower section of pile pipe;
pouring concrete to the lower end of the upper pile pipe section to form a middle concrete body;
wherein, the middle concrete body covers the sealing cover plate, plugs the lower end of the upper section pile pipe and glues the lower end of the upper section pile pipe and the upper end of the lower section pile pipe together.
10. The construction method according to claim 9, 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 plugging the upper end of the upper section pile pipe;
wherein, the upper end of the upper section 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 steel bar structure body penetrates out of the upper end of the upper section pile pipe;
the diameter of the supporting plate is equal to the inner diameter of the upper section of the pile pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517793.0A CN113969578A (en) | 2021-12-13 | 2021-12-13 | Sectional type foundation pile and construction method thereof |
| CN202210489680.2A CN114775588B (en) | 2021-12-13 | 2022-05-07 | Sectional foundation pile and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517793.0A CN113969578A (en) | 2021-12-13 | 2021-12-13 | Sectional type foundation pile and construction method thereof |
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| CN113969578A true CN113969578A (en) | 2022-01-25 |
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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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Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1292226A (en) * | 1961-01-30 | 1962-05-04 | Plug, which can be broken down into recoverable elements, for the execution of so-called driven tube foundation piles | |
| DE4439115A1 (en) * | 1994-08-24 | 1996-02-29 | Jossif Dr Ing Ladyshenskij | Foundation pile with reinforcing tube |
| GB2300210B (en) * | 1995-04-24 | 1998-11-04 | Chan Yat S | Piling |
| JP3216048B2 (en) * | 1998-08-27 | 2001-10-09 | 日本鋼管株式会社 | Screw-in type steel pipe pile |
| FI111405B (en) * | 1998-12-14 | 2003-07-15 | Rautaruukki Oyj | Pipe pile surrounded by concrete and piling procedure |
| JP3760316B2 (en) * | 2002-02-04 | 2006-03-29 | 株式会社ウェッジ | Intermediate striking pile and its construction method |
| JP4498798B2 (en) * | 2004-03-30 | 2010-07-07 | 大和ハウス工業株式会社 | Elongated pile and pile driving structure and driving method using the same |
| JP4498348B2 (en) * | 2006-12-26 | 2010-07-07 | Ｊｆｅスチール株式会社 | Screwed steel pipe pile |
| CN102733380A (en) * | 2012-06-17 | 2012-10-17 | 张永忠 | Lag pile and construction method thereof |
| JP6217267B2 (en) * | 2013-09-12 | 2017-10-25 | 株式会社大林組 | Method of rebuilding a structure having an underground structure and underground structure |
| JP6340846B2 (en) * | 2014-03-17 | 2018-06-13 | 新日鐵住金株式会社 | Connection taper pile, connection taper pile construction method 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 |
| CN111350181B (en) * | 2020-03-26 | 2021-06-22 | 上海杰地建筑设计有限公司 | Precast concrete tubular pile only bearing anti-pulling effect |
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2021
- 2021-12-13 CN CN202111517793.0A patent/CN113969578A/en active Pending
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| CN114775588B (en) | 2023-08-18 |
| CN114775588A (en) | 2022-07-22 |
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