天津吹填泥浆成壳的监测与分析

Monitoring and Analysis of Dredger Fill Serous Fluid Becoming into Shell in Tianjin

为研究天津吹填泥浆成壳过程土体中的孔隙水压力与壳体沉降量的变化以及壳体厚度的形成,设计了六种不同的真空预压新型水平排水体。通过模拟试验发现,壳体的沉降量与壳体的厚度成正比,土体中负的超静孔隙水压力随着深度以及至排水板距离的增加而减小。土体中孔隙水压力、壳体沉降量以及壳体厚度均与排水路径有关。研究成果对于了解吹填泥浆成壳机理具有一定的指导意义。

In order to study the changes of pore water pressure and shell settlement and the thickness of shell during dredger fill fluid becoming into shell in Tianjian, six kinds of new horizontal drainage material of vacuum preloading are designed. It is found from simulation test that the settlement of shell is proportional to the thickness of shell, and the negative excess nora pressure decreases with the depth and the distance to drainage plate increased. Pore water pressure, shell settlement and shell thickness are related to the drainage pathway. The research result has certain guiding significance to the mechanism of the formation of dredger fill fluid into shell.