steric strain

Based on the Il′yushin hypothesis ,the strain-space-based elasto-plastic model of Q1 loess is proposed.

通过对陕西省洛惠渠五洞简易盾构法施工现场取样试验,在对试验得出的 Q1 黄土的应力-应变曲线特性进行分析的基础上,假定弹性部分的唯一性关系,把应力空间的加载函数转化为应变空间的加载函数,根据 Il′yushin公设提出了黄土的应变空间弹塑性本构模型,并将模型的计算结果与试验曲线进行比较验证。

Study on softening constitutive model of diatomaceous soft rock based on strain space;

基于应变空间硅藻质软岩的软化本构模型

Four-parameter failure criterion for concrete in strain space;

建立在应变空间上的混凝土四参数破坏准则

A two-surface plasticity/damage fatigue constitutive model for plain concrete in strain space;

应变空间表述的混凝土疲劳塑性/损伤双面本构模型

Improvement of modified Cam-Clay model based on transformation of stress space;

基于应力空间变换的修正剑桥模型改进

Based on the anisotropy induced by the critical state line,the idea of transformation of stress space is presented.

在应力空间变换基础上,借助边界面与损伤的思想建立了一个可以反映原状软土从小应变到大应变力学特性的本构模型,与有关试验结果对比表明本模型是合理的。