| 沙漠与沙漠化 |
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| Research on Engineering Properties of Desert Sands in Taklimakan Desert |
YU Yuan-feng1, ZHANG Xi-fa1, JIAO Qing-xian2, ZHAO Yi-min2 |
| 1.Beijing Shougang Geological Exploration Institute, Beijing 100041, China; 2.College of Construction Engineering, Jilin University, Changchun 130026, China; 3.Daqing Oil Field Construction and Design of Research Institute, Daqing 163712, Heilongjiang, China |
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Abstract The desert sands in central Taklimakan Desert have peculiar engineering properties. On the basis of a large amount of laboratory simulation test in large medium tank and field in-situ tests, we set up relationship between the indexes of cone penetration test and standard penetration test and engineering properties. Moreover the paper tabulated some experiential formula. And based on the test of desert sand, we can get useful research results. It will get conservative estimate when we evaluate desert sand compactness by the present criterion of standard penetration N. The internal friction angle of desert sand is affected by compactness and moisture. It will increase by the accretion of compactness and moisture of unsaturated sand.
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Received: 16 December 2005
Published: 20 May 2007
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2007, Vol. 27 
