High-polymer gravel water-permeable composite pile and construction method thereof

A technology of high polymer and gravel piles, which is applied in the direction of sheet pile walls, foundation structure engineering, soil protection, etc., can solve the problems of low bearing capacity of single piles and easy bulge damage on the upper part of the pile, and achieve short construction period , Relieve the dependence on the bearing capacity of the restraint effect, and the effect of low cost

Inactive Publication Date: 2019-04-16
HOHAI UNIV
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  • Abstract
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Problems solved by technology

The pile body mainly relies on the constraints of the surrounding soil to provide bearing capacity, so the bearing capacity of a single pile is low, and the upper part of the pile body is prone to bulge failure

Method used

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  • High-polymer gravel water-permeable composite pile and construction method thereof
  • High-polymer gravel water-permeable composite pile and construction method thereof

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0020] Such as figure 1 and 2 As shown, a high polymer gravel permeable composite pile includes a bottom gravel pile 1, a transition section gravel pile 2 and a high polymer gravel pile 3 poured sequentially from bottom to top.

[0021] The high polymer crushed stone pile 3 is a rigid pile formed by cementing the crushed stone particles 4 through the high molecular polymer 5 , and the high polymer crushed stone retaining wall retains some gaps between the crushed stone particles 4 . The height of the polymer gravel pile 3 is not less than 4 times the diameter of the high polymer gravel permeable composite pile, and the height is not less than 2m. The mixing ratio of high molecular polymer 5 a...

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Abstract

The invention discloses a high-polymer gravel water-permeable composite pile. The composite pile comprises a bottom gravel pile body, a transition section gravel pile body and a high-polymer gravel pile body which are sequentially poured from bottom to top, and the particle size of gravel particles of the transition section gravel pile body is different from that of gravel particles of the bottomgravel pile body. bottom gravel pile. The invention further discloses a corresponding construction method. The composite pile has the advantages that the common gravel pile body and the high-polymer gravel pile body are combined, and the dependence on restraining function bearing capacity provided by surrounding soil layers is reduced; the construction process is simple, the construction period isshort, the quality is controllable, and the cost is low.

Description

technical field [0001] The invention relates to a polymer gravel permeable composite pile and a construction method thereof, belonging to the technical field of foundation treatment. Background technique [0002] my country has a vast territory and soft soils are widely distributed. In the southeast coast and inland plains, soft soil foundations with high natural water content and low shear strength widely exist. As a kind of soft soil foundation treatment technology, gravel pile composite foundation is often used in soft soil foundation because of its convenient material acquisition, simple construction, fast pile formation speed, and good drainage capacity. The pile body mainly relies on the surrounding soil constraints to provide bearing capacity, so the bearing capacity of a single pile is low, and the upper part of the pile body is prone to bulging failure. Contents of the invention [0003] In order to solve the above technical problems, the present invention provid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/08E02D5/34E02D5/72E02D7/18
CPCE02D3/08E02D5/34E02D5/72E02D7/18
Inventor 谭慧明于淙洋陈佳陈福茂陈宁
Owner HOHAI UNIV
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