摘要
为了研究气泡混合轻质土在复杂应力状态下的变形规律,在实验室开展了三轴试验研究。结果表明:(1)气泡混合轻质土的变形包括压密阶段、线弹性变形阶段、应变硬化和应变软化4个阶段;(2)围压对气泡混合轻质土的变形特性有显著影响;(3)根据应力水平可采用线弹性模型和理想弹塑性模型模拟气泡混合轻质土的变形特性。研究为气泡混合轻质土的工程应用奠定了基础。
In order to research the deformation property of foamed cement banking, triaxial tests are performed. The findings are:(1) There exist four proesses including compaction, linear and elstic, harding and sorting in mechanical deformation; (2) Confining stress markedly effects the deformation propterty of the formed cement banking; (3) The linear and elastic model and the the elastic-plastic model of Mohr-Coulomb may be used to simulate the deformation of foamed cement banking. The study helps the application of foamed cement banking.
出处
《公路》
北大核心
2010年第10期174-176,共3页
Highway
基金
河北省科技支撑资助项目
项目编号No.09215128
关键词
气泡混合轻质土
三轴试验
变形特性
foamed cement banking
triaxial test
deformation property