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。
There are gravelly soil distributed grain diameter widely in Jiangjia Ravine, the mechanical behavior of gravelly soil is important for initiation of debris-flows.
蒋家沟泥石流内广泛分布级配宽广的砾石土，砾石土的力学性状对于泥石流的起动发生有重要影响。
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。
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