摘要
针对往复荷载作用下软土变形和孔压发展的特点，应用能模拟低应力水平下塑性变形的边界面模型，将其线弹性卸载过程改进为弹塑性，建立了软粘土的边界面广义弹塑性模型。最后对该模型进行了试验验证，以表明其可靠性。
A generalized constitutive theory of the boundary surface of soft clay with plastic deformation is established, based on the characteristics of soft soil deformation and variation of pore pressure under reversal loading. The boundary surface model is capable of simulating plastic deformation under low stress level. The linear elastic unloading process is improved and becomes an elasto-plastic one. Through comparison of numerical simulation results with tri-axial test data, its reliability is verified.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2002年第2期210-214,共5页
Chinese Journal of Rock Mechanics and Engineering
基金
国家自然科学基全重点资助项目(59738160)。
关键词
软土
边界面
本构关系
弹塑性模型
荷载
Computer simulation
Elastoplasticity
Loading
Plastic deformation
Stresses
