High-polymer gravel permeable rigid pile and its construction technique

A high-polymer, rigid pile technology, applied in sheet pile walls, infrastructure engineering, construction, etc., can solve the problems of lack of drainage performance, long maintenance time, and difficulty in achieving design strength, shortening the consolidation time, construction The effect of short period and improved drainage efficiency

Inactive Publication Date: 2018-05-15
HOHAI UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

But it also does not have drainage performance, and the maintenance time

Method used

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  • High-polymer gravel permeable rigid pile and its construction technique
  • High-polymer gravel permeable rigid pile and its construction technique

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[0025] The present invention will be further described below in conjunction with the drawings. The following embodiments are only used to explain the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0026] Such as figure 1 As shown, a permeable high polymer crushed stone rigid pile includes crushed stone particles 1. The crushed stone particles 1 are cemented by high molecular polymer 2 to form a pile structure. The mixing ratio of high polymer 2 and crushed stone particles 1 depends on the pile The load-bearing requirements and material characteristics of the pile are determined by tests, but no more than 15:100. The pile structure retains some gaps 3 between the gravel particles 1, and the bottom and outer walls of the pile structure are provided with an inverted filter layer 4. 4 is the anti-filter geotextile with certain elasticity. Crushed stone particles 1 are formed by crushing a master...

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Abstract

The invention discloses a high-polymer gravel permeable rigid pile and its construction technique. The construction technique includes steps of stirring certain graded gravel grains with a high-molecular polymer at a certain ratio according to the design requirement; after stirring evenly, pouring in a pile hole; gluing the gravel grains to be a whole body by means of the high-molecular polymer.;through proper compaction and vibration, forming a rigid pile while reserving a part of gap between the gravel grains; forming a vesicular structure and arranging reverse filter layers at the outsideand the bottom part of the pile body. The high-polymer gravel permeable rigid pile is simple in construction technique, controllable in quality, short in construction term and low in cost.

Description

technical field [0001] The invention relates to a polymer gravel permeable rigid pile and its construction technology, belonging to the technical field of foundation treatment. Background technique [0002] The gravel pile is a composite foundation reinforcement pile made of crushed stone as the main material. As a technology for soft soil foundation treatment, gravel pile composite foundation is widely used in soft soil areas because of its simple equipment, simple operation, easy quality control, and certain drainage effect. However, the bearing capacity of its single pile is low, and the settlement after construction is large, which is prone to uneven settlement. [0003] Grouting gravel pile is a new type of pile developed in recent years. Cement or high polymer is injected into the gravel pile to fill all the gaps in the gravel, and the gravel is bonded together to form a pile body. It has a certain bearing capacity but does not have a drainage effect, so it is diffic...

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Application Information

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IPC IPC(8): E02D5/46
CPCE02D5/46
Inventor 谭慧明陈福茂陈佳
Owner HOHAI UNIV
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