CN114197456A - Self-locking ground pile and upright post integrated pipe and construction method thereof - Google Patents
Self-locking ground pile and upright post integrated pipe and construction method thereof Download PDFInfo
- Publication number
- CN114197456A CN114197456A CN202111667252.6A CN202111667252A CN114197456A CN 114197456 A CN114197456 A CN 114197456A CN 202111667252 A CN202111667252 A CN 202111667252A CN 114197456 A CN114197456 A CN 114197456A
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- ground pile
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000004568 cement Substances 0.000 claims abstract description 74
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000805 composite resin Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000027455 binding Effects 0.000 description 2
- 238000009739 binding Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- 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
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- 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
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
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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 invention discloses a self-locking ground pile and upright post integrated pipe and a construction method thereof, and the self-locking ground pile and upright post integrated pipe is characterized by comprising a pipe body, wherein a ground pile pouring gate is arranged on the pipe body and is used for communicating an inner cavity of the pipe body with an underground hole, the ground pile pouring gate is lower than the hole edge of the hole, the hole is used for inserting the pipe body, the pipe body is divided into a ground pile part and an upright post part along the axial direction, the ground pile pouring gate is arranged on the ground pile part, and the upright post part extends out of the ground. The ground pile part is automatically locked in the cement in the hole, and the arrangement of a reinforcement cage is omitted, so that the construction efficiency is improved, and the pile forming cost is reduced. In addition, the ground pile part and the upright post part are formed on the integrated pipe body, so that the connection between the ground pile part and the upright post part is omitted, the construction efficiency is improved, and the structure is simplified. In addition, cement is poured into the column part of the pipe body, so that the bending resistance of the column part is improved.
Description
Technical Field
The invention relates to the field of ground piles and upright columns, in particular to a self-locking ground pile and upright column integrated pipe and a construction method thereof.
Background
In the prior art, a ground cage woven by steel bars is used as a ground pile, and the pile forming method has complex procedures and high pile forming cost.
Therefore, how to simplify the pile-forming process and reduce the pile-forming cost is a critical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to simplify the pile forming process and reduce the pile forming cost. In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a self-locking ground stake stand integration pipe, includes the body, it irritates the runner to be provided with the ground stake on the body, the ground stake is irritated the runner and is used for the intercommunication the inner chamber and the underground hole of body, the ground stake is irritated the runner and is less than the hole of hole is followed, the hole supplies the body inserts.
Preferably, a plurality of ground pile pouring gates are arranged along the axial direction of the pipe body; and a plurality of ground pile pouring gates are arranged around the circumference of the pipe body.
Preferably, the ground pile pouring gate is a round hole type ground pile pouring gate or a waist hole type ground pile pouring gate.
Preferably, the tube body is provided with a reinforcing rib extending along the radial direction, and the reinforcing rib is embedded in cement between the tube body and the hole.
Preferably, the reinforcing ribs are arranged in pairs, two reinforcing ribs in a pair are symmetrically arranged about the axis of the pipe body, a plurality of pairs of reinforcing ribs are arranged along the axis of the pipe body, and two adjacent pairs of reinforcing ribs are arranged in a staggered manner in the circumferential direction.
Preferably, the pipe body is divided into a ground pile portion and a pillar portion in the axial direction, the ground pile pouring gate is provided on the ground pile portion, and the pillar portion protrudes above the ground.
Preferably, the upright post part is provided with an upright post pouring gate, and the upright post pouring gate is used for communicating the inner cavity of the tube body with the outside.
Preferably, the pipe body is pultruded from a fibre reinforced resin based composite material.
Preferably, the pipe body is a rectangular pipe, a square pipe or a circular pipe.
The invention also provides a construction method of the self-locking ground pile and upright post integrated pipe, which comprises the following steps:
s1: drilling a hole with the inner diameter larger than the diameter of the pipe body by a preset size, and pouring a pouring gate into the hole along the ground pile higher than the top of the hole;
s2: inserting the tube into the hole;
s3: pouring cement so that the cement surface in the hole and the cement surface in the pipe body are flush with the ground;
s4: and pouring cement into the upright post part of the tube body through the upright post pouring gate.
Preferably, the step S3 specifically includes:
pouring cement into the ground pile part of the pipe body from the ground pile pouring gate at the top until the cement surface of the hole and the cement surface in the inner cavity of the pipe body reach the ground pile pouring gate at the top;
and pouring cement into the hole, so that the cement surface in the hole and the cement surface in the pipe body are flush with the ground.
Preferably, the step S3 is specifically: and pouring cement into the hole until the cement surface in the hole and the cement surface in the pipe body are flush with the ground.
Preferably, cement is poured into the hole, and simultaneously, the cement is poured into the pipe body through the ground pile pouring gate at the top until the cement surface in the hole and the cement surface in the pipe body are flush with the ground.
According to the technical scheme, the self-locking ground pile and upright post integrated pipe has the following beneficial effects:
firstly, the ground pile part is automatically locked in the cement of the hole, so that the arrangement of a reinforcement cage is omitted, the construction efficiency is improved, and the pile forming cost is reduced;
secondly, the ground pile part and the upright post part are formed on the integrated pipe body, so that the connection between the ground pile part and the upright post part is omitted, the construction efficiency is improved, and the structure is simplified;
thirdly, reinforcing ribs are arranged outside the ground pile part of the pipe body, so that the uplift resistance of the ground pile part is improved;
fourthly, cement is poured into the column part of the pipe body, so that the bending resistance of the column part is improved;
fifth, the method comprises the following steps: the pipe body is formed by pultrusion of fiber reinforced resin matrix composite materials, and has the advantages of light weight, high tensile strength, corrosion resistance, non-conductivity and the like.
Drawings
In order to more clearly illustrate the solution of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive efforts.
Fig. 1 is a front view of a self-locking ground pile and upright post integrated pipe according to an embodiment of the present invention;
fig. 2 is a top view of a self-locking ground pile and column integrated pipe according to an embodiment of the present invention;
fig. 3 is a perspective view of a self-locking ground pile and column integrated pipe according to an embodiment of the present invention.
Wherein, 1 is the body, 2 is ground stake pouring gate, 3 is stand pouring gate, 4 is the strengthening rib, 5 is ground stake part, 6 is the stand part.
Detailed Description
The invention discloses a self-locking ground pile and upright post integrated pipe which can simplify a pile forming process and reduce pile forming cost. The invention also discloses a construction method of the self-locking ground pile and upright post integrated pipe.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "top," "bottom," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.
The invention discloses a self-locking ground pile and upright post integrated pipe which comprises a pipe body 1, wherein openings are formed in the top end and the bottom end of the pipe body 1. The pipe body 1 is characterized in that a ground pile pouring gate 2 is arranged on the pipe body 1. The ground pile pouring gate 2 is used for communicating the inner cavity of the pipe body 1 with the underground hole. The holes are made in advance before the pipe body 1 is installed. After the pipe body 1 is inserted into the hole, the pile pouring gate 2 is located in the hole, or the pile pouring gate 2 is lower than the edge of the hole. The ground pile pouring gate 2 is communicated with the inner cavity and the holes of the pipe body 1, so that the inner cavity of the pipe body 1, the inner cavity of the holes and the ground pile pouring gate 2 form a communicating device structure. And pouring cement into the hole or the pipe body 1 until the cement surface in the hole and the cement surface in the pipe body 1 are flush with the ground. After the cement is solidified, the pipe body 1 is automatically locked in the cement. Compared with the traditional pile forming mode, the self-locking pile forming mode has simple process and low pile forming cost.
The present invention defines a plurality of ground pile pouring gates 2 arranged along the axial direction of the pipe body 1, and a plurality of ground pile pouring gates 2 are arranged around the circumference of the pipe body 1. Therefore, the connection between the inner cavity of the pipe body 1 and the hole is facilitated when the pile is formed, and the part of the pipe body 1, which is located in the hole, can be ensured to be subjected to uniform locking force in the axial direction and the circumferential direction.
The pile-pouring gate 2 may be a rectangular pile-pouring gate 2 or a pile-pouring gate 2 of another shape. Preferably, the ground pile pouring gate 2 is set to be a round hole type ground pile pouring gate 2 or a waist hole type ground pile pouring gate 2. After solidification, the stress on the cement at the round hole type ground pile pouring gate 2 or the waist hole type ground pile pouring gate 2 is more uniform.
In order to improve the pulling resistance of the pipe body 1, the invention provides a reinforcing rib 4 on the pipe body 1, wherein the reinforcing rib 4 extends along the horizontal direction or the radial direction of the pipe body 1. After the cement is poured, the reinforcing ribs 4 are embedded in the cement between the pipe body 1 and the holes.
In order to ensure that the pipe body 1 has uniform and firm pulling resistance, the invention is designed as follows: the reinforcing ribs 4 are provided in pairs, and the two reinforcing ribs 4 in the pair are arranged symmetrically with respect to the axis of the pipe body 1. A plurality of pairs of reinforcing ribs 4 are arranged along the axis of the pipe body 1, and two adjacent pairs of reinforcing ribs 4 are arranged in a staggered manner in the circumferential direction. For example, two adjacent pairs of ribs 4 form a cross-shaped structure when viewed from above.
The self-locking principle of the pipe body 1 is described above, and the integrated features of the ground pile and the upright post of the pipe body 1 are described as follows: along the axial direction of the pipe body 1, the pipe body 1 is divided into a ground pile portion 5 and a pillar portion 6. The pile pouring gate 2 is provided on the pile portion 5. The column part 6 projects above the ground.
In the prior art, the ground pile and the upright post are split, and after the pile is formed, the upright post is connected to the ground pile in a binding mode, a welding mode and the like. So not only make the structure of ground stake stand complicated, the efficiency of construction of extension simultaneously.
In the invention, the upright post and the ground pile are integrated, so that the connecting part of the ground pile and the upright post is omitted, the structure is simplified, and the construction efficiency is improved.
The column part 6 of the pipe body 1 is connected with other parts through the restraint modes of hoops, bindings, bolt anchoring and the like. The column portion 6 of the tubular body 1 is required to have a high bending resistance. Therefore, the invention is designed as follows: an upright post pouring gate 3 is arranged on an upright post part 6 of the tube body 1, and the upright post pouring gate 3 is used for communicating the inner cavity of the upright post part 6 of the tube body 1 with the outside. After the pile is formed, the inner cavity of the ground pile part 5 of the pipe body 1 is filled with cement, and then the cement is poured into the pipe body 1 through the upright post pouring gate 3 so as to improve the bending resistance of the upright post part 6 of the pipe body 1.
In order to ensure that the inner cavity of the column part 6 of the tubular body 1 can be filled with sufficient cement, the present invention defines that the column filling gate 3 is arranged close to the top of the tubular body 1. It should be noted that the height of the cement paste with respect to the column part 6 depends on the bending resistance requirement of the column part 6.
In the prior art, the ground pile is usually made of steel, but the steel ground pile is easy to rust in the working environment of salinization of soil and moist soil. According to the invention, the material of the pipe body 1 is preferably fiber reinforced resin matrix composite material, and the pipe body 1 is processed by a pultrusion process. The pipe body 1 made of the fiber reinforced resin matrix composite material has the advantages of light weight, high tensile strength, corrosion resistance, non-conductivity and the like.
Regarding the concrete structure of the pipe body 1, the pipe body 1 may be a square pipe, a rectangular pipe, or a circular pipe. The structure of the pipe body 1 is not particularly limited, and the pipe body falls into the protection range of the text as long as the functions of self-locking and integration of the ground pile and the upright post can be realized.
In conclusion, the self-locking ground pile and upright post integrated pipe has the following beneficial effects:
firstly, the ground pile part 5 is automatically locked in the cement of the hole, so that the arrangement of a reinforcement cage is omitted, the construction efficiency is improved, and the pile forming cost is reduced;
secondly, the ground pile part 5 and the upright post part 6 are formed on the integrated pipe body 1, so that the connection between the ground pile part 5 and the upright post part 6 is omitted, the construction efficiency is improved, and the structure is simplified;
thirdly, reinforcing ribs 4 are arranged outside the ground pile part 5 of the pipe body 1, so that the pulling resistance of the ground pile part 5 is improved;
fourthly, cement is poured into the column part 6 of the pipe body 1, so that the bending resistance of the column part 6 is improved;
fifth, the method comprises the following steps: the pipe body 1 is formed by pultrusion of fiber reinforced resin matrix composite materials, and the pipe body 1 has the advantages of light weight, high tensile strength, corrosion resistance, non-conductivity and the like.
The invention also discloses a construction method of the self-locking ground pile and upright post integrated pipe, which comprises the following steps:
s1: a hole with the inner diameter larger than the diameter of the pipe body 1 by a preset size is formed by the pile driver, the depth of the hole is also required, and a ground pile pouring gate 2 with the hole edge higher than the top of the pipe body 1 needs to be met.
S2: the tube 1 is inserted into the hole.
S3: and pouring cement to enable the cement surface in the hole and the cement surface in the pipe body 1 to be flush with the ground. After the cement is cured, the ground pile part 5 of the pipe body 1 is automatically locked in the cement.
S4: cement is poured into the column part 6 of the pipe body 1 through the column pouring gate 3 so that the column part 6 has high bending strength.
The specific operation regarding step S3 includes three ways:
the first irrigation mode is as follows: and pouring cement into the ground pile part 5 of the pipe body 1 from the ground pile pouring gate 2 at the top until the cement surface of the hole and the cement surface in the inner cavity of the pipe body 1 reach the ground pile pouring gate 2 at the top. And then pouring cement into the hole or from the outside of the pipe body 1, so that the cement surface in the hole and the cement surface in the pipe body 1 are flush with the ground.
The second irrigation mode is as follows: and pouring cement into the hole or from the outside of the pipe body 1, wherein the cement can enter the inner cavity of the ground pile part 5 through the ground pile pouring gate 2 until the cement surface in the hole and the cement surface in the pipe body 1 are flush with the ground.
The third irrigation mode is as follows: pouring cement into the hole, and pouring cement into the pipe body 1 through the ground pile pouring gate 2 at the top until the cement surface in the hole and the cement surface in the pipe body 1 are flush with the ground.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. The utility model provides a self-locking ground stake stand integration pipe, a serial communication port, including the body, it irritates the runner to be provided with the ground stake on the body, the ground stake is irritated the runner and is used for the intercommunication the inner chamber and the underground hole of body, the ground stake is irritated the runner and is less than the hole edge of hole, the hole supplies the body inserts.
2. The self-locking ground pile and stand column integrated pipe as recited in claim 1, wherein a plurality of ground pile pouring gates are arranged along an axial direction of the pipe body; and a plurality of ground pile pouring gates are arranged around the circumference of the pipe body.
3. The self-locking ground pile and upright post integrated pipe as recited in claim 2, wherein the ground pile pouring gate is a round hole type ground pile pouring gate or a waist hole type ground pile pouring gate.
4. The self-locking ground pile and column integrated pipe as recited in claim 1, wherein the pipe body is provided with radially extending reinforcing ribs embedded in cement between the pipe body and the hole.
5. The self-locking ground pile and column integrated pipe according to claim 4, wherein the reinforcing ribs are provided in pairs, two reinforcing ribs in a pair are arranged symmetrically with respect to the axis of the pipe body, a plurality of pairs of reinforcing ribs are arranged along the axis of the pipe body, and two adjacent pairs of reinforcing ribs are arranged in a circumferentially staggered manner.
6. The self-locking ground pile-column integrated pipe according to claim 1, wherein the pipe body is divided into a ground pile portion and a column portion in an axial direction, the ground pile pouring gate is provided on the ground pile portion, and the column portion protrudes above the ground.
7. The self-locking ground pile and upright post integrated pipe as recited in claim 6, wherein the upright post part is provided with an upright post pouring gate, and the upright post pouring gate is used for communicating the inner cavity of the pipe body with the outside.
8. The self-locking ground pile-upright post integrated tube as recited in claim 1, wherein the tube body is pultruded from fiber reinforced resin based composite material.
9. The self-locking ground pile and upright post integrated pipe as recited in claim 1, wherein the pipe body is a rectangular pipe, a square pipe or a circular pipe.
10. A construction method of a self-locking ground pile and upright post integrated pipe is based on the self-locking ground pile and upright post integrated pipe of claim 6, and is characterized by comprising the following steps:
s1: drilling a hole with the inner diameter larger than the diameter of the pipe body by a preset size, and pouring a pouring gate into the hole along the ground pile higher than the top of the hole;
s2: inserting the tube into the hole;
s3: pouring cement so that the cement surface in the hole and the cement surface in the pipe body are flush with the ground;
s4: and pouring cement into the upright post part of the tube body through the upright post pouring gate.
11. The construction method of the self-locking ground pile-upright post integrated pipe as claimed in claim 10, wherein the step S3 specifically comprises:
pouring cement into the ground pile part of the pipe body from the ground pile pouring gate at the top until the cement surface of the hole and the cement surface in the inner cavity of the pipe body reach the ground pile pouring gate at the top;
and pouring cement into the hole, so that the cement surface in the hole and the cement surface in the pipe body are flush with the ground.
12. The construction method of the self-locking ground pile-upright post integrated pipe as claimed in claim 10, wherein the step S3 is specifically: and pouring cement into the hole until the cement surface in the hole and the cement surface in the pipe body are flush with the ground.
13. The method of claim 10, wherein the hole is filled with cement, and the pipe body is filled with cement through the top pile pouring gate until the cement surface in the hole and the cement surface in the pipe body are flush with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111667252.6A CN114197456A (en) | 2021-12-30 | 2021-12-30 | Self-locking ground pile and upright post integrated pipe and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111667252.6A CN114197456A (en) | 2021-12-30 | 2021-12-30 | Self-locking ground pile and upright post integrated pipe and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114197456A true CN114197456A (en) | 2022-03-18 |
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ID=80657703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111667252.6A Pending CN114197456A (en) | 2021-12-30 | 2021-12-30 | Self-locking ground pile and upright post integrated pipe and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114197456A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892666A (en) * | 2010-07-13 | 2010-11-24 | 张家港固耐特围栏系统有限公司 | Ground pile for installing stand column |
| CN203238640U (en) * | 2013-05-23 | 2013-10-16 | 上海强劲地基工程股份有限公司 | Combined type stand column for inner supports of foundation pit support |
| CN103603343A (en) * | 2013-11-07 | 2014-02-26 | 北城致远集团有限公司 | Deep foundation construction support |
| CN204163076U (en) * | 2014-09-02 | 2015-02-18 | 德翰智慧科技有限公司 | The wadding weft variation device for casting at prestressed concrete pipe pile pile extension place |
| CN209779668U (en) * | 2019-02-22 | 2019-12-13 | 北京首航艾启威节能技术股份有限公司 | Two unification pile foundations of heliostat stand and basis |
| CN210127472U (en) * | 2019-01-15 | 2020-03-06 | 山东科技大学 | Anti-pulling prestressed pipe pile |
| CN216689371U (en) * | 2021-12-30 | 2022-06-07 | 中国铁建重工集团股份有限公司 | Self-locking ground pile and upright post integrated pipe |
-
2021
- 2021-12-30 CN CN202111667252.6A patent/CN114197456A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892666A (en) * | 2010-07-13 | 2010-11-24 | 张家港固耐特围栏系统有限公司 | Ground pile for installing stand column |
| CN203238640U (en) * | 2013-05-23 | 2013-10-16 | 上海强劲地基工程股份有限公司 | Combined type stand column for inner supports of foundation pit support |
| CN103603343A (en) * | 2013-11-07 | 2014-02-26 | 北城致远集团有限公司 | Deep foundation construction support |
| CN204163076U (en) * | 2014-09-02 | 2015-02-18 | 德翰智慧科技有限公司 | The wadding weft variation device for casting at prestressed concrete pipe pile pile extension place |
| CN210127472U (en) * | 2019-01-15 | 2020-03-06 | 山东科技大学 | Anti-pulling prestressed pipe pile |
| CN209779668U (en) * | 2019-02-22 | 2019-12-13 | 北京首航艾启威节能技术股份有限公司 | Two unification pile foundations of heliostat stand and basis |
| CN216689371U (en) * | 2021-12-30 | 2022-06-07 | 中国铁建重工集团股份有限公司 | Self-locking ground pile and upright post integrated pipe |
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