强夯法加固风成砂地基的试验研究

Experimental study on wind-blown sand foundation reinforced by dynamic compaction method

结合8000 kN·m能级强夯加固风成砂地基工程实例,通过现场变形监测、标准贯入和深层载荷试验等检测手段,研究了强夯加固风成砂地基的深层土体变形规律、强夯的有效加固深度及加固效果,对比分析了收锤标准对风成砂地基土体变形、有效加固深度和地基承载力的影响。

Combined with engineering examples that the wind-blown sand foundation was reinforced by 8000 kN·m dynamic compaction,by monitoring the deep soil deformation,STP and deep static load test,we studyed on the deep wind-blown sand deformation,the effective reinforcement depth and reinforcement effect,and analyzed contrastively the effection of different stoping hammer standard on the deep wind-blown sand deformation,the effective reinforcement depth and the bearing capacity of the foundation.