CN112227349A - Construction method of forced-expansion pile - Google Patents
Construction method of forced-expansion pile Download PDFInfo
- Publication number
- CN112227349A CN112227349A CN202011151805.8A CN202011151805A CN112227349A CN 112227349 A CN112227349 A CN 112227349A CN 202011151805 A CN202011151805 A CN 202011151805A CN 112227349 A CN112227349 A CN 112227349A
- Authority
- CN
- China
- Prior art keywords
- pile
- soil
- pipe
- expansion
- cement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
-
- 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
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
Landscapes
- 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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a construction method of a forced-expansion pile, which comprises the construction of a peripheral pile and a core pile, wherein the peripheral pile is an in-situ non-soil-taking cement-soil pile, an in-situ partial soil-taking cement-soil pile or an in-situ full soil-taking and cement-soil re-filling pile; the core pile is a precast pile or a cast-in-place pile. The core pile construction comprises the steps of positioning, pipe sinking and pouring forming, wherein the pipe sinking adopts an outer pipe and an inner pipe which are alternately pressurized, and a pipe sinking system is sunk to a set depth. The invention has the advantages of convenient construction, good environmental protection performance, good construction quality and high cost performance.
Description
Technical Field
The invention relates to a construction method of a forced expanded pile.
Background
The defects of the traditional stiff composite pile in the aspects of cement soil pile forming technology, synchronous detection technology, core inserting technology, bottom sealing technology, bottom expanding technology, sinking control and the like need to be further improved.
Disclosure of Invention
The invention aims to provide a construction method of a strong expanded pile, which is convenient to construct and good in quality.
The technical solution of the invention is as follows:
a construction method of a forced expansion pile comprises the construction of a peripheral pile and a core pile, and is characterized in that: the peripheral piles are in-situ non-soil-taking cement-soil piles, in-situ partial soil-taking cement-soil piles or in-situ full soil-taking and cement-soil re-filling piles; the core pile is a precast pile or a cast-in-place pile;
the construction method of the peripheral pile comprises the following steps:
(1) moving the machine in place: moving equipment, namely positioning the drill rod on the set pile position;
(2) spinning and sinking: spinning and sinking the drill rod to a set depth;
(3) pulling and lifting by screwing: the drill rod is rotated and pulled, and meanwhile, the curing agent is injected into the soil body and is rotated and pulled to a set height;
(4) repeating the steps (2) and (3) until the first pile meets the set requirement;
the construction of the core pile comprises the steps of positioning, sinking the pipe and pouring, wherein the sinking pipe adopts an outer pipe and an inner pipe which are alternately pressurized, and a sinking pipe system is sunk to a set depth; the specific method comprises the following steps:
a) the hydraulic pressure holding pile clamping device on the chassis or the vertical frame reversely pulls the inner pipe to the lower immersed pipe by a stroke through the ramming disc on the inner pipe through the steel wire ropes connected together to extrude out the soil body below the inner pipe; b) the hydraulic pressure holding pile clamping device on the chassis or the vertical frame holds and presses the outer pipe to sink the pipe by one stroke along the inner pipe; c) and c), alternating the steps a) and b) until the inner pipe and the outer pipe are immersed to a set depth.
The core pile body has one or more of the same diameter or variable diameter forms of top expansion, diameter expansion, bottom expansion, full thread, full straight line, mutual thread and straight line.
The building materials for constructing the peripheral pile adopt dry and wet cement soil, cement mortar, solidified soil and loose particles.
The curing agent is a liquid or powder soil reinforcing material which takes cement as a main material and is matched with one or more of mineral powder, fly ash, an expansion component, an alkaline excitation component, a surfactant, an early strength agent, a retarder and rubber powder.
The invention has the advantages of convenient construction, good environmental protection performance, good construction quality and high cost performance.
The present invention will be further described with reference to the following examples.
Detailed Description
A construction method of a forced expansion pile comprises the construction of a peripheral pile and a core pile, wherein the peripheral pile is an in-situ non-soil-borrowing cement-soil pile, an in-situ partial soil-borrowing cement-soil pile or an in-situ full soil-borrowing and then back-filling cement-soil pile; the core pile is a precast pile or a cast-in-place pile;
the construction method of the peripheral pile comprises the following steps:
(1) moving the machine in place: moving equipment, namely positioning the drill rod on the set pile position;
(2) spinning and sinking: spinning and sinking the drill rod to a set depth;
(3) pulling and lifting by screwing: the drill rod is rotated and pulled, and meanwhile, the curing agent is injected into the soil body and is rotated and pulled to a set height;
(4) repeating the steps (2) and (3) until the first pile meets the set requirement;
the construction of the core pile comprises the steps of positioning, sinking the pipe and pouring, wherein the sinking pipe adopts an outer pipe and an inner pipe which are alternately pressurized, and a sinking pipe system is sunk to a set depth; the specific method comprises the following steps:
a) the hydraulic pressure holding pile clamping device on the chassis or the vertical frame reversely pulls the inner pipe to the lower immersed pipe by a stroke through the ramming disc on the inner pipe through the steel wire ropes connected together to extrude out the soil body below the inner pipe; b) the hydraulic pressure holding pile clamping device on the chassis or the vertical frame holds and presses the outer pipe to sink the pipe by one stroke along the inner pipe; c) and c), alternating the steps a) and b) until the inner pipe and the outer pipe are immersed to a set depth.
The core pile body has one or more of the same diameter or variable diameter forms of top expansion, diameter expansion, bottom expansion, full thread, full straight line, mutual thread and straight line.
The building materials for constructing the peripheral pile adopt dry and wet cement soil, cement mortar, solidified soil and loose particles.
The curing agent is a liquid or powder soil reinforcing material which takes cement as a main material and is matched with one or more of mineral powder, fly ash, an expansion component, an alkaline excitation component, a surfactant, an early strength agent, a retarder and rubber powder.
Claims (4)
1. A construction method of a forced expansion pile comprises the construction of a peripheral pile and a core pile, and is characterized in that: the peripheral piles are in-situ non-soil-taking cement-soil piles, in-situ partial soil-taking cement-soil piles or in-situ full soil-taking and cement-soil re-filling piles; the core pile is a precast pile or a cast-in-place pile;
the construction method of the peripheral pile comprises the following steps:
(1) moving the machine in place: moving equipment, namely positioning the drill rod on the set pile position;
(2) spinning and sinking: spinning and sinking the drill rod to a set depth;
(3) pulling and lifting by screwing: the drill rod is rotated and pulled, and meanwhile, the curing agent is injected into the soil body and is rotated and pulled to a set height;
(4) repeating the steps (2) and (3) until the first pile meets the set requirement;
the construction of the core pile comprises the steps of positioning, sinking the pipe and pouring, wherein the sinking pipe adopts an outer pipe and an inner pipe which are alternately pressurized, and a sinking pipe system is sunk to a set depth; the specific method comprises the following steps:
a) the hydraulic pressure holding pile clamping device on the chassis or the vertical frame reversely pulls the inner pipe to the lower immersed pipe by a stroke through the ramming disc on the inner pipe through the steel wire ropes connected together to extrude out the soil body below the inner pipe; b) the hydraulic pressure holding pile clamping device on the chassis or the vertical frame holds and presses the outer pipe to sink the pipe by one stroke along the inner pipe; c) and c), alternating the steps a) and b) until the inner pipe and the outer pipe are immersed to a set depth.
2. A method of constructing a driven-expansion pile according to claim 1, wherein: the core pile body has one or more of the same diameter or variable diameter forms of top expansion, diameter expansion, bottom expansion, full thread, full straight line, mutual thread and straight line.
3. A method of constructing a driven-out pile according to claim 1 or 2, wherein: the building materials for constructing the peripheral pile adopt dry and wet cement soil, cement mortar, solidified soil and loose particles.
4. A method of constructing a driven-expansion pile according to claim 3, wherein: the curing agent is a liquid or powder soil reinforcing material which takes cement as a main material and is matched with one or more of mineral powder, fly ash, an expansion component, an alkaline excitation component, a surfactant, an early strength agent, a retarder and rubber powder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151805.8A CN112227349A (en) | 2020-10-26 | 2020-10-26 | Construction method of forced-expansion pile |
| PCT/CN2020/124398 WO2021189840A1 (en) | 2020-10-26 | 2020-10-28 | Construction method and construction apparatus for static-pressure tube-sinking pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151805.8A CN112227349A (en) | 2020-10-26 | 2020-10-26 | Construction method of forced-expansion pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112227349A true CN112227349A (en) | 2021-01-15 |
Family
ID=74110021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011151805.8A Withdrawn CN112227349A (en) | 2020-10-26 | 2020-10-26 | Construction method of forced-expansion pile |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112227349A (en) |
| WO (1) | WO2021189840A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000493B (en) * | 2021-11-17 | 2023-04-18 | 民航机场建设集团西南设计研究院有限公司 | Dynamic compaction replacement foundation treatment method and device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644269A (en) * | 2012-05-04 | 2012-08-22 | 朱建新 | Non-earth-borrowing composite pile and construction method thereof |
| CN103821138B (en) * | 2012-07-02 | 2016-09-07 | 朱建新 | The construction method of composite pile |
| CN102733376B (en) * | 2012-07-02 | 2019-09-17 | 朱建新 | Composite pile and its construction method |
| JP5988458B1 (en) * | 2015-03-24 | 2016-09-07 | 三和地下工事株式会社 | Ground improvement method and equipment |
| CN106049465B (en) * | 2016-06-06 | 2018-07-06 | 朱建新 | A kind of construction method of |
| CN207812448U (en) * | 2018-01-19 | 2018-09-04 | 朱建新 | Static pressure built pile machine |
| CN108118698A (en) * | 2018-01-19 | 2018-06-05 | 朱建新 | The construction method of stake and special Static pressure pile driver |
| CN109853565A (en) * | 2019-04-08 | 2019-06-07 | 王磊 | The construction method of hidden pipe pile |
| CN112240022A (en) * | 2020-10-26 | 2021-01-19 | 姚锋祥 | Construction method and construction equipment for static pressure immersed tube pile |
-
2020
- 2020-10-26 CN CN202011151805.8A patent/CN112227349A/en not_active Withdrawn
- 2020-10-28 WO PCT/CN2020/124398 patent/WO2021189840A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021189840A1 (en) | 2021-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210115 |
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| WW01 | Invention patent application withdrawn after publication |