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Experimental method of simulating dynamic and static load and device thereof

A test device and model test technology, applied in the direction of measuring device, using electric device, using stable tension/pressure to test material strength, etc., can solve the problems of disturbed soil, small test strain, difficult operation, etc., and achieve large inertia The effect of damping

Inactive Publication Date: 2011-07-13
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

The test strain of the resonant column test is small, which can provide the index of small strain for the analysis of the ground dynamic response; the dynamic torsional shear instrument can simulate the stress condition on site, and is an ideal instrument for measuring the dynamic index. However, the instrument has a complex structure and is difficult to operate. Can only be used as disturbed soil

Method used

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  • Experimental method of simulating dynamic and static load and device thereof
  • Experimental method of simulating dynamic and static load and device thereof
  • Experimental method of simulating dynamic and static load and device thereof

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Embodiment Construction

[0058] The present invention is further described below in conjunction with accompanying drawing:

[0059] 1. Test device for simulating dynamic and static loads

[0060] (1) Overall

[0061] Such as figure 1 , figure 2 , the device includes a model test platform 1, a model test box 2, a load transfer lever 3, a static load system 4, a dynamic load system 5, a dynamic signal test system 6, a data acquisition system 7 and a computer 8;

[0062] The model test platform 1, the model test box 2, and the load transmission lever 3 are connected in sequence;

[0063] The load transmission lever 3 is respectively connected with the static load system 4 and the dynamic load system 5;

[0064] The static load system 4 and the dynamic load system 5 are respectively connected with the dynamic signal test system 6;

[0065] The dynamic signal testing system 6, the data acquisition system 7 and the computer 8 are connected in sequence.

[0066] (2) Function block

[0067] 1. Model t...

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Abstract

The invention discloses an experimental method of simulating dynamic and static load and a device thereof, relating to indoor model experimental technique of geotechnical engineering. The structure of the device is as follows: a model experimental platform (1), a model experimental box (2) and a load transmitting lever (3) are sequentially connected; the load transmitting lever (3) is respectively connected with a static load system (4) and a dynamic load system (5) which are respectively connected with a dynamic signal testing system (6); the dynamic signal testing system (6), a data acquisition system (7) and a computer (8) are sequentially connected. The device caries out dynamic and static load experiments on different structure models, and can monitor and collect non-linear properties of deformation and stress of gneiss under complex load condition in real time. The device has intuitional testing principle, simple structure, high precision, good stability, easy operation, convenient detachment and no high technical requirement to mounting and testing workers.

Description

technical field [0001] The invention relates to indoor model test technology of geotechnical engineering, in particular to a test method and device for simulating dynamic and static loads. Background technique [0002] Dynamic and static loads often exist in foundation deformation and structural stability analysis, such as: gravity load, earthquake load, wind load and explosion on high-rise buildings, hydrodynamic pressure on dams, waves on coasts and offshore oil production The impact of the platform, the impact of vehicles on road operations, etc. The properties of soil and structures have changed greatly under the action of dynamic and static loads, so the research on the properties of soil and structures under the action of dynamic and static loads is an important work in the field of geotechnical engineering. At present, there are not many studies on the response characteristics of soil and structures to dynamic and static loads. [0003] According to the dynamic load...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/00G01N3/08G01B7/02G01L9/00
Inventor 孟庆山胡明鉴汪稔孔令伟杨超徐东生
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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