Abstract

Global Geology 2015, 18(3) 183-187 DOI: ISSN: 1673-9736 CN: 22-1371/P

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	Keywords
	calcareous sand
	compaction test
	direct shear test
	mechanical property
	Authors
	PubMed

Mechanical property of calcareous sand under action of compaction

JIANG Lu��FAN Jianhua��WANG Zhengjin and HUO Zhensheng

1�� College of Construction Engineering��Jilin University��Changchun 130026��China;
2�� Marine Engineering Design and ��esearch Institute��Beijing 102202��China

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��

Keywords�� calcareous sand compaction test direct shear test mechanical property

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