The bucket foundation penetrated soil is analyzed.Constitutive relationship of marine soft clay has been studied by using the principle of J2 flow theory and isotropy.

• 分析筒型基础沉贯作用的土层,利用J2流动理论各项同性硬化原理,研究海积软土颗粒本构关系,结合离散元方法计算土体体应变,并将其引入海积软土的物性参数动态计算模型。