CN105649074A - Tubular pile expansion concrete stiffened composite pile and construction method thereof - Google Patents

Tubular pile expansion concrete stiffened composite pile and construction method thereof Download PDF

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Publication number
CN105649074A
CN105649074A CN201610163410.7A CN201610163410A CN105649074A CN 105649074 A CN105649074 A CN 105649074A CN 201610163410 A CN201610163410 A CN 201610163410A CN 105649074 A CN105649074 A CN 105649074A
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Prior art keywords
pile
cast
pile tube
squeezed
place concrete
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CN201610163410.7A
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CN105649074B (en
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沙焕焕
邓亚光
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沙焕焕
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/50Piles comprising both precast concrete portions and concrete portions cast in situ
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • E02D5/385Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0018Cement used as binder
    • E02D2300/002Concrete

Abstract

The invention discloses a tubular pile expansion concrete stiffened composite pile and a construction method thereof. The tubular pile expansion concrete stiffened composite pile comprises a peripheral cement soil pile; a cast-in-place concrete pile molded through extrusion is arranged in the peripheral cement soil pile; a prefabricated tubular pile is arranged in the cast-in-place concrete pile molded through extrusion; and a one-way valve for closing the pile end and capable of being downwards opened is arranged at the pile end of the prefabricated tubular pile. The tubular pile expansion concrete stiffened composite pile is convenient for construction, higher in pressure resistance, drawing resistance and horizontal force resistance, excellent in stability and high in integration degree.

Description

The squeezed concrete stiff composite pile of pile tube and construction method thereof
Technical field
The present invention relates to a kind of composite pile and construction method thereof.
Background technology
, there is construction inconvenience, the problems such as composite pile system service behaviour is undesirable, it is necessary to improved further in existing composite pile.
Summary of the invention
It is an object of the invention to provide a kind of rational in infrastructure, easy construction, the squeezed concrete stiff composite pile of effective pile tube and construction method thereof.
The technical solution of the present invention is:
A kind of squeezed concrete stiff composite pile of pile tube, it is characterized in that: include peripheral cement earth pile, arranging the Cast-in-place concrete stake of squeezed molding in peripheral cement earth pile, arrange prefabricated tubular pile in the Cast-in-place concrete stake of squeezed molding, the stake end of prefabricated tubular pile arranges the unidirectional valve closed by stake end and can open downwards.
The length of prefabricated tubular pile more than, less than or equal to the length of peripheral cement earth pile.
The construction method of the squeezed concrete stiff composite pile of a kind of pile tube, is characterized in that: comprise the following steps:
(1) the peripheral cement earth pile of construction;
(2) unidirectional valve closed by stake end and can open downwards is set at pipe pile end;
(3) press-in pile tube in peripheral cement earth pile;
(4) after pile tube is forced into designed elevation, pile tube is promoted;
(5) while promoting pile tube, from pile tube inner chamber, Cast-in-place concrete is irrigated high to stake top mark, back-pressure pile tube, between squeezed to peripheral for Cast-in-place concrete cement earth pile and pile tube, the Cast-in-place concrete stake of squeezed molding will be formed;
Or pile tube is repeatedly lifted up, back-pressure, and from pile tube inner chamber, irrigate Cast-in-place concrete simultaneously, between squeezed to peripheral for Cast-in-place concrete concrete stake and pile tube, the Cast-in-place concrete stake of squeezed molding will be formed;
When pile tube promotes, unidirectional valve is opened downwards; When pile tube is downward, pipe pile end is closed by unidirectional valve.
Easy construction of the present invention, has higher resistance to compression, resistance to plucking, horizontal force resistant performance, good stability, and integrated degree is high; Intensity is big, and frictional force is big. The bond stress between soil cement and Cast-in-place concrete, pile tube, frictional force and adhesion strength can be increased substantially, be conducive to pile soil common action, even integration.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation of one embodiment of the invention.
Detailed description of the invention
The construction method of the squeezed concrete stiff composite pile of a kind of pile tube, comprises the following steps:
(1) the peripheral cement earth pile of construction;
(2) unidirectional valve (flap valve provides hinge means to be connected with pipe pile end or other suitable methods connect) closed by stake end and can open downwards is set at pipe pile end;
(3) press-in pile tube in peripheral cement earth pile;
(4) after pile tube is forced into designed elevation, pile tube is promoted;
(5) while promoting pile tube, from pile tube inner chamber, Cast-in-place concrete is irrigated high to stake top mark, back-pressure pile tube, between squeezed to peripheral for Cast-in-place concrete cement earth pile and pile tube, the Cast-in-place concrete stake of squeezed molding will be formed;
Or pile tube is repeatedly lifted up, back-pressure, and from pile tube inner chamber, irrigate Cast-in-place concrete simultaneously, between squeezed to peripheral for Cast-in-place concrete concrete stake and pile tube, the Cast-in-place concrete stake of squeezed molding will be formed;
When pile tube promotes, unidirectional valve is opened downwards; When pile tube is downward, pipe pile end is closed by unidirectional valve.
The soil cement formed, squeezed concrete, pile tube composite pile, including peripheral cement earth pile 1, arranging the Cast-in-place concrete stake 2 of squeezed molding in peripheral cement earth pile, arrange prefabricated tubular pile 3 in the Cast-in-place concrete stake of squeezed molding, the stake end of prefabricated tubular pile arranges the unidirectional valve 4 closed by stake end and can open downwards.
The length of prefabricated tubular pile more than, less than or equal to the length of peripheral cement earth pile.
Described pile tube is steel pipe pile tube or the hollow square pile of high intensity or intensity adjustable; Can top being steel pipe pile tube, bottom be common pile tube;
Concrete core (when resistance to plucking requires high, fill out microdilatancy concrete and steel strand wires resistance to plucking) can be filled out inside pile tube; Concrete in-core also can put steel pipe, steel reinforcement cage, shaped steel further.
Peripheral cement earth pile, Cast-in-place concrete stake, pile tube three length can be different.
Outside the earth diameter that dewaters is identical with pile tube diameter, Cast-in-place concrete layer can push up in stake, in stake, expanding at the bottom of stake.

Claims (3)

1. the squeezed concrete stiff composite pile of pile tube, it is characterized in that: include peripheral cement earth pile, arranging the Cast-in-place concrete stake of squeezed molding in peripheral cement earth pile, arrange prefabricated tubular pile in the Cast-in-place concrete stake of squeezed molding, the stake end of prefabricated tubular pile arranges the unidirectional valve closed by stake end and can open downwards.
2. the squeezed concrete stiff composite pile of pile tube according to claim 1, is characterized in that: the length of prefabricated tubular pile more than, less than or equal to the length of peripheral cement earth pile.
3. a construction method for the squeezed concrete stiff composite pile of pile tube described in claim 1, is characterized in that: comprise the following steps:
(1) the peripheral cement earth pile of construction;
(2) unidirectional valve closed by stake end and can open downwards is set at pipe pile end;
(3) press-in pile tube in peripheral cement earth pile;
(4) after pile tube is forced into designed elevation, pile tube is promoted;
(5) while promoting pile tube, from pile tube inner chamber, irrigate Cast-in-place concrete to designed elevation, back-pressure pile tube, between squeezed to peripheral for Cast-in-place concrete concrete stake and pile tube, the Cast-in-place concrete stake of squeezed molding will be formed;
Or pile tube is repeatedly lifted up, back-pressure, and from pile tube inner chamber, irrigate Cast-in-place concrete simultaneously, between squeezed to peripheral for Cast-in-place concrete cement earth pile and pile tube, the Cast-in-place concrete stake of squeezed molding will be formed;
When pile tube promotes, unidirectional valve is opened downwards; When pressing under pile tube, pipe pile end is closed by unidirectional valve.
CN201610163410.7A 2016-03-22 2016-03-22 The squeezed concrete stiff composite pile of tubular pole and its construction method Active CN105649074B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610163410.7A CN105649074B (en) 2016-03-22 2016-03-22 The squeezed concrete stiff composite pile of tubular pole and its construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610163410.7A CN105649074B (en) 2016-03-22 2016-03-22 The squeezed concrete stiff composite pile of tubular pole and its construction method

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CN105649074A true CN105649074A (en) 2016-06-08
CN105649074B CN105649074B (en) 2019-09-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107859027A (en) * 2017-11-15 2018-03-30 广西瑞宇建筑科技有限公司 A kind of method of lime pile consolidation Tailings Dam
CN108978641A (en) * 2018-08-17 2018-12-11 江苏劲桩基础工程有限公司 The construction method of compound strength stake
CN110847158A (en) * 2019-11-19 2020-02-28 广州供电局有限公司 Piling device and piling method
CN113481979A (en) * 2021-08-01 2021-10-08 尹杰 Anti-pulling tubular pile

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107859027A (en) * 2017-11-15 2018-03-30 广西瑞宇建筑科技有限公司 A kind of method of lime pile consolidation Tailings Dam
CN107859027B (en) * 2017-11-15 2020-03-06 广西瑞宇建筑科技有限公司 Method for consolidating tailing pond by lime piles
CN108978641A (en) * 2018-08-17 2018-12-11 江苏劲桩基础工程有限公司 The construction method of compound strength stake
CN110847158A (en) * 2019-11-19 2020-02-28 广州供电局有限公司 Piling device and piling method
CN110847158B (en) * 2019-11-19 2021-06-22 广东电网有限责任公司广州供电局 Piling device and piling method
CN113481979A (en) * 2021-08-01 2021-10-08 尹杰 Anti-pulling tubular pile

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