摘要
对三轴应力状态下的土体切线体积模量进行了研究.考虑了常规三轴试验和各向同性压缩试验对切线体积模量的影响.在胡克定律的基础上,将体积功分为塑性体积功和弹性体积功,并由此确定了常规三轴试验和各向同性压缩试验对切线体积模量的影响系数.采用由两种试验得到的切线体积模量的值和影响系数,就可以得到广义切线体积模量.验算的结果表明广义切线体积模量的表达式更具代表性.
Tangent bulk modulus of soil in the triaxial state of stress was researched. The different influences on tangent bulk modulus of conventional triaxial test and isotropic compression test were considered. On the basis of Hooke＇s law, volume work is divided into plastic volume work and elastic volume work and then the influence coefficients on tangent bulk modulus of two kinds of triaxial tests were calculated. Using the values of tangent bulk modulus from two types of triaxial tests and the influence coefficients, the generalized tangent bulk modulus could be acquired. The results of verification show that generalized tangent bulk modulus is more typical and reliable.
出处
《大连理工大学学报》
EI
CAS
CSCD
北大核心
2007年第4期573-576,共4页
Journal of Dalian University of Technology
基金
国家自然科学基金资助项目(50679015)
关键词
广义切线体积模量
体积功
常规三轴试验
各向同性压缩试验
generalized tangent bulk modulus
volume work
conventional triaxial test
isotropic compression test
