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Global Geology 2013, 16(3) 154-158 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Variation law of microscopic pore of loess-like soil after several freeze-thaw cycles in seasonal frozen soil region |
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CHEN Zongfang, CHEN Huie and ZHANG Ying |
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College of Construction Engineering��Jilin University��Changchun 130026��China |
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Abstract��
In seasonal frozen soil region��the engineering geological properties of loess-like soil will be deteriorated after freeze-thaw cycles�� Through the freeze-thaw cycle experiment of remolded loess-like soil��under different freezing temperatures��the authors carried out freeze-thaw cycle tests for 3 times and 20 times��respectively�� With mercury intrusion porosimetry and granulometric analysis��from the micro-structure��the authors studied the law that freeze-thaw cycle times and frozen temperature effect on the variation of microscopic pore of loesslike soil�� This result can provide theoretical basis for comprehensive treatment of problems in the construction of the project in seasonal frozen loess-like soil region�� |
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Keywords��
loess-like soil
freeze-thaw cycles
variation law of microscopic pore
granulometric composition
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Received Revised Online: |
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