土海 meaning in Chinese

dokai
hanami

The thesis is the initial research content of the project " bucket foundation and unstability mechanism research influenced by bucket foundation on silty . sand seabed " , which is supported by the national natural science fund . it mainly carry about the research of seepage gradient in the process of suction penetration and unstability mechanism of silty sand in the bucket foundation , and it also discuss and analyze the penetration effect of bucket foundation of the different ratio size
本文是国家自然科学基金项目“海上平台桶形基础及其作用下的粉质土海床失稳机制的研究”的前期研究内容，主要通过模型试验对负压沉贯过程的渗流梯度及其桶内粉质土的失稳机制进行研究，并探讨和分析了不同比尺的桶基的沉贯效应。