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Study on gas permeability of the unsaturated bentonites
Author(s): 
Pages: 26-29,25
Year: Issue:  6
Journal: HYDROGEOLOGY AND ENGINEERING GEOLOGY

Keyword:  气体渗透不饱和膨润土渗透系数;
Abstract: 作者对不饱和膨润土中气体渗透情况进行了研究,对实验所使用的膨润土和砂进行了密度、容重、粒度、孔隙度及含水率等特性的表征.实验所建立的气体渗透研究装置可用于测定气体渗透系数,并将其作为材料气体渗透性能的表征.实验结果表明:膨润土的孔隙度和含水率对其渗透系数有十分显著的影响.
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