| 1. | Pure non dilatational strain
纯形状应变 |
| 2. | Pure dilatational strain
纯体积应变 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | Systematic study is done for the strain energy density factor criterion , distortional strain energy density factor criterion , dilatational strain energy density factor criterion , circumferential tensile stress criterion , energy release rate criterion and twin shear stress criterion
对应变能密度因子准则、形状改变能密度因子准则、体积改变能密度因子准则、能量释放率准则以及最大周向拉应力准则和双剪应力准则进行了系统地研究。 |
| 7. | Based on the laboratory swelling experiments , the influence of water content and the axial loading on the dilatational strain and the relationship between swelling pressure and water content of swelling rock in hongshanyao project is systematically studied in this thesis . the main research work includes : 1 . by using the swelling - odometer we made ourselves , we have performed lateral restricted swelling test and swelling pressure test
本文在总结前人研究的基础上，通过大量的室内试验研究、试验资料整理，深入分析探讨了南京红山窑水利枢纽工程区域膨胀岩膨胀变形与上部荷载的关系、膨胀变形与含水率的关系以及膨胀力发展与含水率关系，提出了膨胀岩在侧向约束条件下含水率、上部荷载双重影响时膨胀变形的关系，建立了本构关系并应用于工程。 |
| 8. | According to the strain energy density factor criterion under mixed - mode of i and ii , the distortional strain energy density factor criterion and dilatational strain energy density factor criterion are given . the twin shear stress criterion is applied to the v - notch problem under mixed - mode of i and ii
基于-复合型v型切口的应变能密度因子准则，提出了形状改变能密度因子准则和体积改变能密度因子准则，将双剪应力准则有效地应用到-复合型v型切口问题。 |
