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Foundation treatment water drain structure of geotextile filter tube vacuum preloading method

A vacuum preloading method and foundation treatment technology, which is applied in infrastructure engineering, soil protection, construction, etc., can solve problems such as large impact and loss, high price, and shortage of medium and coarse sand resources, and achieve short construction period and low cost. Low, reduce the effect of loss along the way

Inactive Publication Date: 2009-04-22
CHINA COMM CONSTR FIRST HARBOR CONSULTANTS
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Problems solved by technology

In this way, the vacuum degree is affected and lost by the sand cushion during the whole transmission process.
At present, due to the shortage of medium and coarse sand resources and the high price, it has a great impact on the cost and construction period of the vacuum preloading method

Method used

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  • Foundation treatment water drain structure of geotextile filter tube vacuum preloading method
  • Foundation treatment water drain structure of geotextile filter tube vacuum preloading method
  • Foundation treatment water drain structure of geotextile filter tube vacuum preloading method

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Embodiment Construction

[0014] The application of the drainage structure of the geotextile filter tube vacuum preloading method foundation treatment of the present invention will be further described below in conjunction with the accompanying drawings.

[0015] The drainage structure of the geotextile filter tube vacuum preloading method ground treatment of the present invention follows the reinforcement mechanism of the traditional vacuum pressure method ground treatment, and the structure is based on the traditional vacuum preloading method ground treatment. Optimized processing.

[0016] The geotextile filter tube vacuum preloading drainage structure of the present invention includes a drainage system and a sealed vacuum system. The drainage system includes a plastic drainage board 1 embedded in the soil, a filter pipe 2 and a plastic drainage system. The plate joints are directly connected, and a layer of geotextile 3 for protecting the filter tube is respectively arranged on the upper and lower ...

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Abstract

The invention provides a drainage structure for geotextile filter tube vacuum preloading foundation treatment. The structure comprises a drainage system and a seal vacuum pumping system, wherein the drainage system comprises a plastic drainage plate buried in the soil, a filter tube is directly connected with a connector of the plastic drainage plate, and the upper side and the lower side of the filter tube are provided with a layer of geotextile protecting the filter tube respectively; the geotextile is coated on the circumferential surface of the filter tube; the geotextile is coated on the connector of the plastic drainage plate; and the filter tube is one of composite tubes of plastic hose, PVC hard tube and iron tube or hose, PVC hard tube and iron tube. The structure can reduce the linear loss in vacuum degree transfer, and compared with the prior vacuum preloading method, has the advantages of low cost and short construction period, and is not limited by the medium coarse sand source, thereby reducing the linear loss of vacuum degree, shortening the consolidation time and improving the consolidation effect.

Description

technical field [0001] The invention relates to the foundation treatment technology in the field of civil engineering construction, in particular to the drainage structure for the foundation treatment of geotextile filter tube vacuum preloading method, which is suitable for the construction field of silt and muddy soil using the preloading drainage consolidation method, and for the lack of medium and coarse sand The regional application of resources is of great significance. Background technique [0002] Since the traditional vacuum preloading method was successfully applied in the late 1980s, a large number of engineering practices have proved that it is an effective method for strengthening soft soils, such as silt and silty soils. It is still the main foundation treatment technology for soft soil foundations. The horizontal drainage and vacuum transmission system of the vacuum preloading method consists of a sand cushion and a filter tube. The transmission process of the ...

Claims

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Application Information

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IPC IPC(8): E02D3/10
Inventor 蔡波王克勤陈占锋刘宏伟唐元松李学艳尹广田朱子平周宝江
Owner CHINA COMM CONSTR FIRST HARBOR CONSULTANTS
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