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Global Geology 2013, 16(1) 54-58 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Comprehensive tests on rising height of capillary water for coarse grained soil |
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GUO Qingsong1, LI Xin1 and LI Min2 |
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1�� College of Construction Engineering��Jilin University��Changchun 130026��China; 2�� Institute for Higher Education��Jilin University��Changchun 130012��China |
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Abstract:
According to the comprehensive tests on the rising height of capillary water for seven kinds of different coarse grained soil by use of the method of standpipe��the relationship between the rising height of capillary water and time was obtained��and the influencing factors and rules were analyzed�� The data of the steady rising height of capillary water were obtained��and the regression equation of coarse grained soil on steady height and physical indexes ( effective grain d10 and porosity n) was found�� Compared with Hazen's and other expressions that could estimate the steady height of capillary water of coarse grained soil��the proposed method is satisfactory and the defects of the latter were pointed out�� |
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Keywords:
method of standpipe
coarse grained soil
rising height of capillary water
degree of compaction
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