Abstract: On the basis of the field test on the pore water pressure,the ground settlement and strength(shearstrength),this paper expounds their basic features and the basic relationship between the dissipation ofpore water pressure and the ground deformation and the ground strength in pcor ground in seashorearea,The results identify that the dissipation of pore water pressure usually leads to the decreasing ofthe ground settlement velocity and the increasing of the ground shear strength.

Key words: poor ground, pore water pressure, ground settlement, shear strength, field test

摘要： 本文以湛江电厂灰堤为例，基于现场测试论述了沿海地区普遍存在的软土地基中孔隙水压力的消散及其与地基固结沉降及抗剪强度之间的基本关系。结果表明，滨海地区地基中孔隙水压力的变化受多种因素的共同作用，但基本趋势符合孔隙水压力消散的基本规律，消散固结所需的时间长，孔隙水压力的消散导致地基沉降速率的减小和抗剪强度的增长。

关键词: 软土地基, 孔隙水压力, 地基沉降, 抗剪强度, 现场测试