摘要
利用有限元分析软件ABAQUS,分别采用小应变理论和大变形理论,对真空联合堆载预压法处理软基进行了仿真和固结分析.根据固结度等效原则,将砂井地基转换成平面应变砂墙地基,将模拟数据与某公路监测段监测数据进行对比,结果表明,用大变形理论处理深厚粘土软基更为合理.
By the ABAQUS software, the process of vacuum-surcharge preloading on soft foundation is simulated, and its consolidation of settlement is analyzed. The simulation during vacuum-surcharge preloading with small deformation theory and large deformation theory are separately computed. According to the principle of equivalence of the consolidation degree, sand-drained ground will be converted into plane strain sand wall foundation. Combined with a highway monitoring segment, the simulation data are compared with monitoring data. Data analysis shows that the large deformation theory on treating deep soft clay was more reasonable.
出处
《湖南文理学院学报（自然科学版）》
CAS
2013年第1期59-62,共4页
Journal of Hunan University of Arts and Science(Science and Technology)
关键词
软基
大变形
真空联合堆载预压
ABAQUS
soft foundation
large deformation
vacuum-surcharge preloading
ABAQUS
