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Geotechnical model test system based on macro-micro mechanics as well as elaboration test method

A technology of model test and geotechnical mechanics, which is applied in scientific instruments, optical devices, surface/boundary effects, etc., can solve the problems of inability to observe and test the mesoscopic structure of soil samples, and achieve the effect of simple and compact structure and easy realization.

Inactive Publication Date: 2011-06-01
SHANGHAI MARITIME UNIVERSITY
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Problems solved by technology

The field test method can observe the physical quantity of the field prototype, but it cannot carry out the mesoscopic structure observation test of the soil sample, obtain the mesoscopic mechanical parameters of the soil sample, and carry out the refined test

Method used

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  • Geotechnical model test system based on macro-micro mechanics as well as elaboration test method
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  • Geotechnical model test system based on macro-micro mechanics as well as elaboration test method

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Embodiment Construction

[0032] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0033] The method provided by the invention is implemented based on a model test system, and its specific structure is as follows: figure 1 shown.

[0034] Rock and soil mechanics model test system based on macro and micro mechanics, the system includes a model test box 100, a model test loading device 200, a load measuring device 300, a basic model, a digital camera 400, a stereo microscope 500, a computer 600, and a news light 700 .

[0035] Wherein the model test box 100 is the whole test center, and the test soil sample is arranged inside it, and its side for observation is transparent, and the observation side can be made of glass. The basic model in the system is closely attached to the inner side of the observation surface of the model ...

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Abstract

The invention discloses a geotechnical model test system based on macro-micro mechanics as well as an elaboration test method. The test system analyzes and processes shot digital images in a model test box in real time through two analysis systems in a computer. The test method organically integrates an indoor model test, field soil observation analysis of foundation soil, partial microscopic observation analysis, numerical value simulation of microscopic mechanics and continuous-discrete coupled numerical value simulation. The invention is suitable for the test research of geotechnical engineering such as building engineering, road engineering, bridge engineering, harbor engineering, river-coast engineering and coastal engineering, can solve common engineering problems and can upgrade the understanding level and the research level to important key problems, such as the influence on extreme environmental conditions of key project construction projects and engineering catastrophes, andthe like.

Description

Technical field: [0001] The invention relates to a geotechnical engineering test research method applied to basic construction projects, in particular to a rock-soil mechanics model test system based on macro-microscopic mechanics and a corresponding refined test method. Background technique: [0002] At present, model test methods, numerical simulation methods, and field test methods are mostly used in the experimental research of rock and soil mechanics in construction engineering, road engineering, wharf engineering, river coast engineering and offshore engineering. [0003] The model test method generally refers to the phenomenon research of the prototype physical system with a reduced (or enlarged) model under laboratory conditions, and the similarity requirements of the system must be met between the model and the prototype. The model test method can test the macroscopic physical quantity, but cannot test the mesoscopic structure of the soil sample directly observed. ...

Claims

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Application Information

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IPC IPC(8): G01N15/00G01N15/02G01N15/08G01N13/00G01B11/16
Inventor 刘文白周健史旦达邓益兵蒋建平李业勋
Owner SHANGHAI MARITIME UNIVERSITY
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