Preparation method of elastic clay

An elastic and clay technology, applied in the field of soil mechanics research, can solve problems such as the large difference between the experimental results and the theory, and achieve the effect of improving the accuracy

Pending Publication Date: 2017-07-07
GUANGXI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for preparing elastic soil, so as to overcome the shortcomings of the large difference between the experimental results and the theory when performing soil mechanics related experiments

Method used

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  • Preparation method of elastic clay

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Embodiment Construction

[0021] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0022] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0023] A preparation method of elastic soil, comprising the following steps:

[0024] (1) Take a natural clay soil sample, and measure the pre-consolidation pressure p c ;

[0025] (2) Carry out saturation treatment to clay soil sample with pumping saturation method, make its saturation greater than 95%;

[0026] (3) Put the saturated clay in a confinement container, and load the clay in stages, and the loading amount of...

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Abstract

The invention discloses a preparation method of elastic clay. The preparation method comprises the following steps of (1) sampling a clay sample, and measuring the early cementing pressure pc of the clay sample; (2) saturating the clay sample; (3) putting the saturated clay into a lateral confinementlimiting container, loading the clay by stages, standing after loading of each stage, stabilizing the deformation of the clay sample, and drawing a stress-strain relationship curve of the clay; (4) unloading by stages until all loads are unloaded, standing after unloading of each stage, stabilizing the deformation of the clay sample, and drawing a stress-strain relationship curve of the clay; (5) repeating the steps (3) and (4), until the reloading curve in the stress-strain relationship curve of the clay is approximate to one straight line, so as to obtain the elastic clay. The elastic clay prepared by the preparation method has the advantages that when the elastic clay is used for the theoretical study of soil mechanics, the experiment result is successfully consistent with the theory, so as to obtain more accurate experiment structure, namely mutual demonstration of experiment and theory; the experiment accuracy is improved.

Description

technical field [0001] The invention relates to the field of soil mechanics research, in particular to a method for preparing elastic soil, which is used for scientific research experiments related to soil mechanics. Background technique [0002] Civil engineering is a highly practical profession. Geotechnical engineering is an important branch of civil engineering, and its research results are of great significance and even decisive factors to the feasibility and safety of production practice. Nowadays, more and more engineering safety accidents are attributed to people's incomplete research on the properties of soil. Soil is a material with three phases of solid, liquid and gas coexisting and has a complex structure. Pure theoretical research cannot accurately explain its various properties. Especially when it comes to the study of mechanical properties and consolidation properties of soil, scientific research experiments are particularly important. The relationship bet...

Claims

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Application Information

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IPC IPC(8): G01N1/28
CPCG01N1/286
Inventor 梅国雄张振徐美娟赵艳林
Owner GUANGXI UNIV
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