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UNSATURATED SOIL MECHANICS:PITFALLS IN FUNDAMENTAL PRINCIPLES AND ENGINEERING RELEVANCE

机译:非饱和土力学:基本原理中的小数与工程关系

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The last two to three decades have seen significant advances in the mechanics of unsaturated soils.It is now widely recognized that the fundamental principles in soil mechanics should cover both saturated and unsaturated soils.Nevertheless,there is still a great deal of uncertainties amongst the geotechnical community about how well-established soil mechanics principles for saturated soils can be extended to unsaturated soils.There is sometimes even uncertainty about the necessity of such extension in engineering practice.This paper discusses some common pitfalls related to the fundamental principles that govern the volume change,shear strength and hydro-mechanical behaviour of unsaturated soils.It also discusses the relevance of these principles in engineering practice,in attempt to answer some of the critical questions that are often raised in the geotechnical community.
机译:在过去的两到三十年中,非饱和土的力学取得了重大进展。现已广泛认识到,土壤力学的基本原理应涵盖饱和土和非饱和土。然而,岩土工程中仍然存在很多不确定性关于如何将已建立的饱和土力学原理扩展到非饱和土的问题,社区有时甚至不确定是否需要在工程实践中进行这种扩展。本文讨论了一些与控制体积变化的基本原理有关的常见陷阱此外,还讨论了这些原理在工程实践中的相关性,试图回答岩土工程界经常提出的一些关键问题。

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