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Rapid consolidation treatment method for silt soft foundation

A treatment method and soft foundation technology, which can be used in infrastructure engineering, soil protection, geotextiles, etc., and can solve problems such as unsatisfactory effects and inconsistent detonation effects.

Pending Publication Date: 2022-03-01
INST OF IND TECH GUANGZHOU & CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these methods all have inconsistent detonation effects at different sites, and the effect is not ideal.

Method used

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  • Rapid consolidation treatment method for silt soft foundation
  • Rapid consolidation treatment method for silt soft foundation
  • Rapid consolidation treatment method for silt soft foundation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0019] A kind of rapid consolidation processing method for silt soft foundation, comprises the following steps:

[0020] A1. Buried blasting pipes: Embedding hollow blasting pipes in the soft foundation;

[0021] B1: Monitor the settlement of the silt soft foundation, and the time when the settlement rate tends to be stable after detonation is the blasting interval;

[0022] B2. Multiple blasting: Multiple blasting is carried out in the blasting tube at the same blasting interval, and after each blasting, the drainage is drawn out through the blasting tube.

[0023] Multiple blastings are carried out in the blasting pipe without flying mud or blast pits. The foundation settles evenly during drainage. Multiple blastings are carried out according to the same blasting interval, which can not only shorten the entire construction time, but also ensure that each time The effect of blasting drainage can greatly shorten the time of consolidation treatment when the overall drainage vo...

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PUM

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Abstract

The invention discloses a rapid consolidation treatment method for a silt soft foundation. The rapid consolidation treatment method comprises the following steps that A1, a blasting pipe is buried, specifically, the hollow blasting pipe is buried in the soft bottom foundation; and B2, multiple times of blasting, wherein multiple times of blasting are conducted in the blasting pipe according to the same blasting interval time. The method has the advantages that the drainage consolidation time can be greatly shortened, the construction period is shortened, the process is controllable, mud flying and pit explosion are avoided, and operation is easy.

Description

technical field [0001] The invention relates to the technical field of soft soil foundation treatment Background technique [0002] The soft soil in my country's coastal tidal flat areas is widely distributed, with poor engineering properties and a thick burial depth, generally exceeding 20 meters. This type of soil foundation has high water content, low shear strength, poor bearing capacity, low permeability, high compressibility, and porosity. Features such as large ratio. However, the traditional soft soil foundation treatment methods, including vacuum preloading, surcharge preloading, vacuum combined surcharge preloading, etc., usually take more than half a year for drainage and consolidation, which has the disadvantage of a long construction period. [0003] In order to speed up the consolidation treatment of soft soil foundations, some people have also proposed a quick method of combined cycle blasting for foundation treatment on the basis of surcharge preloading, see ...

Claims

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Application Information

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IPC IPC(8): E02D3/10F42D1/00F42D3/00
CPCE02D3/10F42D1/00F42D3/00E02D2300/0085E02D2450/102
Inventor 丁桦周秋萍盛国强
Owner INST OF IND TECH GUANGZHOU & CHINESE ACADEMY OF SCI
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