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Global Geology 2015, 18(3) 183-187 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Mechanical property of calcareous sand under action of compaction |
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JIANG Lu，FAN Jianhua，WANG Zhengjin and HUO Zhensheng |
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1． College of Construction Engineering，Jilin University，Changchun 130026，China;
2． Marine Engineering Design and Ｒesearch Institute，Beijing 102202，China |
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Abstract：
Calcareous sand is a kind of special medium which is composed of calcium carbonate and other diffi- cult soluble carbonate substances． Because of its rich in inner pore space and easy crashed，the mechanical property is very different from conventional quartz sand． Based on the compaction test and direct shear test of calcareous sand， by means of data fitting，the coupling relationship between compaction density and mechanical property under different water contents was obtained; meanwhile，the shear strength expression was built on the basis of the relationship between water content and dry density． |
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Keywords：
calcareous sand
compaction test
direct shear test
mechanical property
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Received Revised Online: |
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