| 1. | One - dimensional constitutive model of unsaturated soil considering change of matric suction
考虑基质吸力变化时非饱和土的一维本构模型 |
| 2. | The variation rule of strength parameters associated with the matric suction were studied
分析了强度参数随吸力的变化规律和广义土-水特征曲线的合理性。 |
| 3. | All tests are done in gds triaxial testing system . in triaxial shear tests , pore air pressure and pore water pressure are measured separately and matric suction is calculated
在三轴剪切试验中利用轴平移技术分别量测土样孔隙气压力和孔隙水压力，得到土样基质吸力。 |
| 4. | The numerical analysis demonstrate that an safety factor of a loess slope increases with the matric suction . therefore , matric suction has an impertinent effect on the stability of a loess slope
研究表明：土坡稳定安全系数随吸力增大而增大，从而证明了吸力对黄土边坡的稳定性有重要影响。 |
| 5. | The effect of matric suction on the strength and deformation as well as water content of intact loess are studied in this paper . using the direct shear testing equipment and consolidation testing equipment and modified triaxial testing equipment in the university of logistical engineering in chunqing . 4 groups ( 16 specimens ) consolidated drained direct shear tests and 2 groups ( 6 specimens ) consolidated tests as well as 1 group ( 3 specimens ) triaxial shear tests with controling matric suction were conducted
用新研制的国内第一台非饱和土固结仪、国内第一台非饱和土直剪仪和经过改进的非饱和土三轴仪，做了4组16个非饱和土直剪试验； 2组6个非饱和土固结试验； 1组3个控制吸力的非饱和土三轴试验。 |
| 6. | Firstly , the author has researches on basic engineering properties of soil layers in tunneling construction , especially in the relationship between the changes of matric suction ( negative pore water pressure ) and soil strength data . the results have obviously shown on the control of soil strength to matric suction in the different suction
首先对地铁隧道施工中环境土层基本工程性质进行了研究，着重研究了基质吸力(负孔隙水压力)的变化和土的强度参数的关系，研究结果表明：在不同的吸力状态下，土的强度都不同，土的强度明显地受吸力控制。 |
| 7. | According to unsaturated soil strength theory presented by fredlund , we have taken lead in establishing a formula of soil strength in beijing area ' s layers taking into consideration matric suction and the relationship between water content and matric suction . the change of water content is also a kind of disturbance from board angles
在国内，针对北京地区粉质砂土，根据fredlund提出的非饱和土强度理论，率先建立了考虑基质吸力影响的土的强度公式；吸力与含水量密切相关，从广义扰动角度来说，含水量的变化也是对土的扰动。 |
