粉煤灰堆场膨润土改性黄土衬里的击实性能研究 关键词：改性黄土；膨润土；最大干密度；最优含水量 [gap=713]Key words：modified loess soil，bentonite，maximum dry density，optimum water content
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最优含水率 optimum moisture content ; optimum water content 运输含水率 transport moisture content 含水率检验板 moisture content sample board ..
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The optimum water content gradually decreased with the increase of salt content.
最优含水率随含盐量的增加逐渐减小。
参考来源 - 氯盐渍土增湿变形特性研究Compaction test and large direct shear experiment are performed to obtainmaximum dry density, optimum water content, cohesive strength and friction angle.
对试验用土进行击实试验和大型直剪试验，得出土料的最大干密度、最优含水量、黏聚力和内摩擦角。
参考来源 - 土工格栅拉拔特性的试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Soil's optimum water content for crop (sunflower) stages in different salty soil has been get by GA-ANN coupling model.
通过GA-ANN耦合模型的建立求解了不同含盐程度土壤中作物（油料向日葵）的适宜含水率。
Normal test method is employed to explore the relationship between dry density and optimum water content of coal gangue used in daming.
采用标准试验方法求得筑坝用煤矸石的最大干密度和相应的最优含水量。
Effects on optimum water content and maximum dry density of grit-clay mixture by grit content, as well as compaction characteristics are obtained.
得到砂砾石含量对混合料的最佳含水量及最大干密度的影响特征，及其不掺土的砂砾石料的击实特性。
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