膨胀粘土

山西组成矿系列主要有煤，其次是膨胀粘土矿、菱铁矿。

The minerogenetic series of the Shanxi Formation mainly includes coal beds , followed by expanded clay and siderite .

击实膨胀粘土变形曲线特征的研究

Research on Characteristics of Deformation Curve of Compacted Swelling Clay

浅谈立井井筒深厚冻结膨胀粘土层的安全施工

The Simple Discussion on the Safe Construction of Deep Thick Swelling Clay Layer of Vertical Shaft

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 .

研究结果表明，尽管膨胀粘土的膨胀、收缩过程有很多相似特征，但两者并非是完全可逆的过程，其吸水膨胀速度远比失水收缩速度快。

The research results show that although the swelling and contraction process of swelling clay are of much similar characteristics , both processes can not be inversed , and the water absorption swelling speed is quicker than the water loss contraction speed .

通过采用XRD技术对粘土矿物定量测试，表明主要膨胀性粘土矿物为中等混层比的I/S混层矿物。

By advanced clay test technology-XRD , it is disclosed that the expansive clays mainly consist of mixed-layer mineral I / S with middle mixed-layer ratio .

膨胀性粘土改性后的物理力学性质试验研究

Experiment on the mechanical property of the modified swelling clay soils

粘土和泥页岩的比表面积是其水化特征和膨胀性粘土矿物含量的表征，泥页岩比表面积大小可作为泥页岩分类的重要依据。

Specific surface area is an important property of clay and shale .

一种超高膨胀力粘土岩的工程地质研究

Engineering geological research of the excess expansion pressure clayrock

结果表明，2：1膨胀性粘土矿物含量对膨润值影响较大；

The result indicated that the 2:1 content of expanding clay influenced the swelling value largely .

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 .

商业用膨润土矿中的膨胀性粘土，钠蒙脱石在数量和质量上变化很大。

Commercial bentonite ores vary widely in amount and quality of the swelling clay , sodium montmorillonite .

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 .

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 .

蒙脱石作为一种能够自然发生膨胀的粘土矿物，在很多工业过程发挥着重要的作用。

Montmorillonite is a naturally occurring clay mineral that exhibits ability to swell . It plays very important roles in many industrial processes .

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 .

当有粘土存在时，还可使膨胀的粘土收缩，从而提高气体的有效渗透率，恢复气井生产能力。

Alcohol treatment also causes shrinkage of swollen clay , so that the effective permeability of gas may be increased and the production ability of the gas well may be restored .

南水北调中线工程上第三系膨胀性硬粘土的工程地质特性研究

Engineering geological properties of Neogene hard clay along the middle line of the North-South diversion water project in China

膨胀型石墨和粘土作为PP/IFR共混物的阻燃协效剂，有望在提高阻燃性能的同时，增强材料的力学性能，是阻燃PP发展的方向。

Intumescent graphite and nano-clay cooperate with IFR , hopeful to increase fire retardance , meantime increase mechanical properties of PP / IFR composite , is the direction of fire retardant PP development .

膨胀性高岭土质粘土地基症害分析及预防处理技术

Analysis on Defects of Expanding Kaolin Clay Foundation and Protection Measures

饱和粘土受扰动易重塑，受挤压则产生膨胀，在饱和粘土地基中实施挤土桩，如果处理方法不恰当，就达不到预期的承载力。

Saturated clay is easily remolded by turbulence , and dilated by squeeze . If the management is not proper , it can not achieve the desirable results of bearing capacity as we carry out extrusion soil pile in saturated clay ground .

自由膨胀条件下高压密膨胀粘土微观结构随吸力变化特征

Microstructural changing characteristics of densely compacted bentonite with suction under unconfined hydrating conditions