Shallowing treatment method for liquefiable sand foundation

A sandy soil foundation and treatment method technology, applied in soil protection, infrastructure engineering, construction, etc., can solve the problems of long construction period, difficult construction, high project cost, etc., to reduce construction difficulty, shorten construction period, and improve project benefits Effect

Active Publication Date: 2018-11-16
长江岩土工程有限公司
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Problems solved by technology

[0007] At present, the treatment principle for the liquefiable sandy soil foundation of important buildings is to treat the sandy soil within the range of all liquefiable depths and enter the underlying non-liquefiable soil layer to a certain depth, so that, especially in the case of deep liquefiable sand layers, There are disadvantages such as high project cost, difficult construction and long construction period

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  • Shallowing treatment method for liquefiable sand foundation
  • Shallowing treatment method for liquefiable sand foundation

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Embodiment Construction

[0051] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation to the present invention, and are only examples. At the same time, the advantages of the present invention are clearer and easier to understand through the description.

[0052] Referring to the accompanying drawings, it can be seen that the deep liquefaction shallow treatment method applied to the liquefiable sand foundation includes the following steps:

[0053] Step 1: Theoretical analysis;

[0054] Step 2: Determine the critical treatment depth for sandy foundation liquefaction treatment;

[0055] Step 3: Determine the actual treatment depth of sand foundation liquefaction treatment;

[0056] Step 4: Determine the critical value of the width of the outside of the foundation;

[0057] Step 5: Determine the actual processing width outside the foundation;

[0058] Step 6: Determine the sand liquefaction...

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Abstract

The invention discloses a shallowing treatment method for a liquefiable sand foundation. The shallowing treatment method includes the steps of theoretical analysis; determination of critical treatment depth in liquification of the sand foundation; determination of actual treatment depth in liquification of the sand foundation; determination of critical treatment width of the outside of the sand foundation; determination of actual treatment width of the outside of the sand foundation; determination of sand liquification zone according to the actual treatment depth and the actual treatment width. The shallowing treatment method has the advantages of reducing cost for treatment of the sand foundation, reducing construction difficulty and shortening construction period greatly.

Description

technical field [0001] The invention relates to the technical fields of water conservancy and hydropower engineering and geotechnical engineering, more specifically, it is a deep liquefaction shallow treatment method applied to liquefiable sand foundations. Background technique [0002] With the continuous and rapid development of my country's economy, the scale of infrastructure construction in my country's coastal areas has been unprecedented in recent years. In order to solve the problems of land use for ports, buildings, highways, transportation and other projects, in recent years Tianjin, Wenzhou, Lianyungang, Xiamen, Guangzhou Nansha and Shenzhen A large number of land reclamation projects have been carried out in areas such as Yantian. [0003] Most of these projects are carried out on the silted tidal flats to hydraulically fill waste silt, fine sand, silt and other materials, and then carry out foundation reinforcement treatment; due to the unprecedented scale of lan...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/00
CPCE02D3/00
Inventor 张延仓马贵生蔡耀军赵鑫朱瑛洁李少雄阳云华高志林苏传洋
Owner 长江岩土工程有限公司
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