Many indexes can be used to reflect character of expanded soil. They are divided into mineral composition and engineering behavior.
反映膨胀土土质与土体特性的指标很多，可分为反映矿物组成和工程特性的指标两大类。
The behavior of pile raft foundation in soft soil is a very important problem in geotechnical engineering.
软弱地基中桩筏基础的研究一直是岩土工程中的一个重要课题，也是土木工程设计的一项关键技术。
Author go over the number of papers about engineering behavior of embankment fill, summarize and analysis the mechanism of compacted soil.
作者查阅了国内外大量填方土体的工程性状研究文献，在前人基础上，总结分析了压实土的强度机理。
As a product of geological history, rock and soil media process their special compositions and fabric structures so that their engineering behavior is very complicated.
岩土体是地质历史的产物，有着特定的物质组分和结构构造，从而表现出复杂的工程力学性质。
A soil engineering classification derived from the piezocone penetration test(CPTU) involves the uncertainty of correlation between soil composition and soil mechanical behavior.
采用孔压静力触探（CPTU）测试资料进行土的工程分类时，在土成分和力学性状等相关性方面会产生很多不确定性。
How to evaluate the effects of soil structure on mechanical behavior for natural sedimentary soils is an important issue in geotechnical engineering.
如何评价土结构性对天然沉积饱和土的力学性状的影响是一个非常重要的研究课题。
Unsaturated soil from a geotechnical engineering viewpoint has different behavior from the soils that are saturated.
作为一种岩土工程材料，土在非饱和状态下的工程性质与其在饱和状态下是不同的。
Unsaturated soil from a geotechnical engineering viewpoint has different behavior from the soils that are saturated.
作为一种岩土工程材料，土在非饱和状态下的工程性质与其在饱和状态下是不同的。
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