割线模量是指在单向受力条件下,岩石应力-轴向应变曲线上相应于50%抗压强度的点与原点连线的斜率。反映了岩石的平均刚度。在岩石刚度研究中,围压增加的加载应力路径可降低割线模量,而围压减小的卸载应力路径增大了割线模量。应力路径对割线模量的影响在小应变时表现的更加明显,而这种影响主要原因是应力路径方向改变造成的土体各向异性。
Combining with secant modulus, the paper set up the saturation soft clay’s consolidation settlement model, which can reflect the stress time and settlment at the same time, and also simulative study to it.
结合割线模量法进一步完善了饱和软土能同时反映力、时间和变形的固结沉降模型。 并对其进行了仿真研究。
参考来源 - 高填路堤软土地基沉降的研究And the structure damage variable of loess which is represented by secant moudulus can refect the extent of loess structure damage change better.
而由割线模量表示的黄土结构损伤变量能较好的反映在剪切过程中黄土结构损伤的程度。
参考来源 - 黄土结构损伤及演化规律研究·2,447,543篇论文数据,部分数据来源于NoteExpress
松散岩块的切线模量和割线模量均与轴向应变呈指数相关性。
Both the tangential modulus and secant modulus are exponential with axial strain.
割线模量差与初始含水量的关系曲线按指数形式进行拟合比较合理。
It is reasonable to fit the relation curve between secant-modulus difference and pressure by using exponential form.
提出了饱和粘土利用割线模量法计算固结沉降,且考虑侧向变形影响的公式。
Firstly, the paper puts out the formulas used to calculate displacement by secant modulus, which think about the influence on lateral displacement.
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