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A device and construction method for layered reinforcement of ultra-soft soil foundation

An ultra-soft soil and foundation technology, applied in soil protection, infrastructure engineering, construction, etc., can solve the problems of difficulty in controlling the location of lateral drainage channels and difficult to set up.

Active Publication Date: 2021-04-09
南通大学技术转移中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of drainage body has the following problems: Since the lateral drainage channel and the vertical drainage channel are driven into the soil together, there are problems such as difficulty in drilling, and difficulty in controlling the location of the lateral drainage channel. It is suitable for shallow soil

Method used

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  • A device and construction method for layered reinforcement of ultra-soft soil foundation
  • A device and construction method for layered reinforcement of ultra-soft soil foundation
  • A device and construction method for layered reinforcement of ultra-soft soil foundation

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Embodiment Construction

[0030] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, or in a specific orientation. construction and o...

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Abstract

The invention discloses a device and a construction method for layering and reinforcing supersoft ground. The core of the present invention is a multi-layer drainage body. The multi-layer drainage body includes a drainage pipe, a main pipe with several outlet holes arranged on the pipe body, and a lower pipe frame for sending the drainage pipe into the soil in layers. The pipe body of the drainage pipe extending horizontally into the soil body is covered with small holes and the surface is wrapped with filter cloth. The invention carries out vacuum preloading reinforcement on supersoft soil through multi-layer drainage body, which solves the problem that only one layer of hard shell can be formed in conventional vacuum preloading reinforcement of supersoft soil, and has simple structure, easy operation, high efficiency and low cost.

Description

technical field [0001] The invention belongs to the field of geotechnical engineering, and in particular relates to a device and a construction method for layer-by-layer reinforcement of ultra-soft ground. Background technique [0002] As a precious limited resource, land provides ecological service functions for the regulation, purification, circulation and buffering of urban and rural environments. Human beings must fully and rationally develop and utilize every inch of land. In the process of land development and utilization, it is inevitable to encounter the geological conditions of ultra-soft soil foundation. Ultra-soft soil is mostly distributed in coastal areas, middle and lower reaches of rivers or near lakes, and has high natural water content, large void ratio, high compressibility, Low permeability and other characteristics. In recent years, reclamation projects and dredging projects have been increasing. Compared with naturally deposited soft clay, it has higher...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D3/10
CPCE02D3/10
Inventor 孙召花谢仁杰阮晨成石智玮姚言飞周文博
Owner 南通大学技术转移中心有限公司