摘要
湿陷性黄土在增湿时根据力与水作用次序的不同而有预湿和后湿之分。本文讨论了预湿和后湿这两种情况下湿陷性黄土的变形性状,讨论了“单线法”和双线法在低湿度和低压力下,单轴压缩与三轴压缩试验的适用性。并且用三维空间中的一个应力增湿变形曲面反映湿陷性黄土在增湿时的全部变形特征。
According to the sequence of load application and water saturation, the saturation of collapsible loesses can be divided into pre-saturation and post-loading-saturation. This paper discusses the sequence effect on the deformation behevior of collapsible loesses. The single-line and double-line method at low water content and pressure of uniaxial compression and tri-axial compression tests are discussed. A stress-saturation deformation curved surface in 3-D space is suggested to reflect the stress-saturation path. This may aid to understand the whole deformation characteristics of collapsible loess in its saturation process.
出处
《勘察科学技术》
1990年第3期10-14,共5页
Site Investigation Science and Technology
