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首页> 外文会议>New advances in geotechnical engineering >PHYSICO-CHEMICAL AND MECHANICAL PROPERTIES OF CEMENT/LIME LIGHTLY TREATED CLAYEY SOILS
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PHYSICO-CHEMICAL AND MECHANICAL PROPERTIES OF CEMENT/LIME LIGHTLY TREATED CLAYEY SOILS

机译：水泥/石灰轻处理的黏土的理化和力学性能

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摘要

Some of physico-chemical and mechanical properties of lime and cement lightly treated Ariake clay and dredged mud from an estuary were investigated.The amounts of the lime or the cement added were 2％ ～ 8％ by dry weight.For physico-chemical properties,mainly the grain size distribution,pH value of the mixture and micro-structure from the image of scanning electron microscopy (SEM) were studied,and for mechanical properties,shear strength (Su) by unconfined compression test and consolidation behavior were analyzed.When the cement additive is less than 4％ or 2％ for lime,there are obvious changes in particle size distribution but insignificant change for Su value and consolidation yielding stress.There is a shift from predominant clay particles to silt and fine sand particles with the increase of the additives.The further analysis using the images of SEM indicates that the change of the mechanical properties is related to the change of microstructure of the soils.
机译：研究了石灰和水泥对河口轻度处理的Ariake粘土和疏mud泥的一些理化和力学性能。石灰或水泥的添加量为干重的2％〜8％。主要从扫描电子显微镜（SEM）的图像中研究了混合物的晶粒尺寸分布，混合物的pH值和微观结构，并通过无侧限压缩试验的力学性能，抗剪强度（Su）和固结行为进行了分析。水泥添加剂小于石灰的4％或2％，粒径分布有明显变化，但Su值和固结屈服应力的变化不明显。随的增加，从主要的粘土颗粒向粉砂和细砂颗粒转变。利用SEM图像进一步分析表明，力学性能的变化与土壤微观结构的变化有关。

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