膨胀性粘土缺乏细料部分，故必须添加其它骨料。
The lack of fine fractions in the expanded clay necessitates the addition of other aggregates.
分析认为，膨胀性粘土的存在是影响低渗透油藏渗流特性的关键因素；
The study shows that the swelling clay is the key factor that affects considerably the percolation feature of low permeability reservoir.
由于软岩为强度低、孔隙度大、胶结程度差、含有大量膨胀性粘土矿物的松散、软弱岩层。
Because soft rocks have low strength and high porosity and contain large amount of expansive clay minerals, the freezing-thawing process of soft rock is complicated.
软地层、粘地层、膨胀性粘土地层的总称术语，通常在海洋钻井时的表层钻遇，或者在近海陆地钻井时的沉积盆地时钻遇。
A generic term for soft, sticky, swelling clay formations that are frequently encountered in surface holes offshore or in sedimentary basins onshore near seas.
通过防止泥页岩水化膨胀的粘土稳定性能研究，讨论了它们的分子结构对抑制性的影响。
The effect of molecular structure of polymer to anti-swell ability are studied by analysing clay stabilization capabilities investigated.
文中还讨论了压实的膨胀粘土结构对膨胀性的影响。
The paper also has a discussion on the influence of the soil fabric of compacted clay on swelling characteristics.
文中还讨论了压实的膨胀粘土结构对膨胀性的影响。
The paper also has a discussion on the influence of the soil fabric of compacted clay on swelling characteristics.
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