Study on the Colapse Resistance of Unsaturated Sand
碩士 === 國立交通大學 === 土木工程研究所 === 82 === In order to understand how degree of saturation affects the collapse resistance of sands, undrained cyclic saturated and unsaturated triaxail tests were carried out on both Ottawa and Toyoura sand with t...
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
1994
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| Online Access: | http://ndltd.ncl.edu.tw/handle/92079634431976564065 |
| Summary: | 碩士 === 國立交通大學 === 土木工程研究所 === 82 === In order to understand how degree of saturation affects the
collapse resistance of sands, undrained cyclic saturated and
unsaturated triaxail tests were carried out on both Ottawa and
Toyoura sand with the same relative density of 50% under the
confining pressure 0.5 kgf/cm^2. Due to the compressibility of
the pore air of unsaturated specimens, a volumme change
surveying system was developed to get the degree of saturation.
The result show that : (1) The collapse resistance increased
with a decrease in degree of saturation. (2) The degree of
saturation affects the collapse resistance of Ottawa sand more
than that of Toyoura sand.
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