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Global Geology 2016, 19(3) 182-186 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Experimental study on simulation test instrument and its penetration performance of soil infiltration clogging |
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LU Jinzhi, YANG Zhishuang and LI Pengfei |
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College of Construction Engineering��Jilin University��Changchun 130026��China |
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Abstract��
The three- dimensional seepage simulation test device for siltation dam foundation soil is a multifunc- tional penetration instrument which is designed for the simulation of infiltration clogging��seepage damage��and dam seepage and so on�� This device is different from the traditional instruments for the rock and soil permeabili- ty�� In order to verify the practicability of the device��the authors collected the soil samples for laboratory pene- tration test��observed the seepage damage phenomenon��and obtained the dynamic change curve of permeability coefficient and isopotential map of water pressure�� At the same time��the Geostudio finite element software is used to simulate the steady seepage of the test device�� By contrast of the isopotential maps between simulation and actual water pressures�� it is found that they are approximately the same�� It is proved that the test data of the device is scientific and reliable��reaching the results of the test and design purposes�� The instrument can be used in many aspects of experimental study on soil seepage�� |
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Keywords��
seepage
numerical simulation
penetration performance
soil infiltration clogging
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Received Revised Online: |
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