dilatational strain meaning in English

膨胀变形
膨胀应变
体积应变

Pure non dilatational strain
纯形状应变
Pure dilatational strain
纯体积应变
The dilatational strain of swelling rock is one of the most difficult problems in the field of engineering geology and rock mechanics
膨胀岩问题是工程地质和岩石力学领域中最为复杂的研究难题之一。
At present , many tests on dilatational strain and research on swelling constitutive relationships have been carried out . however most of these tests and research are based on plenteous water supply
目前关于膨胀岩的膨胀变形试验和膨胀本构关系的研究已相对较多，但绝大多数成果都是建立在充分膨胀的基础上。
Because of the complex swelling mechanism and various factors which influence the dilatational strain , to find out the major factors and to establish an accurate and simple swelling constitutive relationship is the key to swelling rock research
膨胀岩的膨胀机理复杂，影响膨胀变形量的因素繁多，找出其中的主要因素，建立合理准确、简洁明了的膨胀本构关系是膨胀变形研究的关键。

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