《岩土工程基本术语标准》对超静孔隙水压力定义为:饱和土体内一点的孔隙水压力中超过静水压力的那部分水压力。 《建筑岩土工程勘察基本术语标准》对超静水压力的释义是:土体中超出静水压力的孔隙水压力,它由作用于土体荷载的变化而产生,随着排水固结而消散。
超静孔隙水压力(excess pore water pressure) 由外荷引起的超出静水位以上的那部分孔隙水压 力.它在固结过程中不断变化,固结终了时应等 于零.
基于130个网页-相关网页
Prestressed concrete pipes construction by hammer can produce high excess pore water pressure in deep soft soils because of violent disturbance and poor permeability of soft soil.
在深厚软土地区采用锤击法进行预应力管桩施工,由于土体受到剧烈扰动及软土较差的渗透性,会在桩周软土中产生很高的超静孔隙水压力。
参考来源 - 增强型离心桩施工引起的超静孔隙水压力分析The combination of these two effects delays the consolidation process; The settlement and the excess pore water pressure calculated by this method agree well with in-site measurement.
理论计算得到的沉降和超静孔隙水压力与实测结果进行了比较,两者吻合较好。
参考来源 - 软土地基高速公路拓宽的沉降性状及处理研究·2,447,543篇论文数据,部分数据来源于NoteExpress
本文对上游法修筑的尾矿坝的细粒泥层内超静孔隙水压力的积累和消散过程进行了分析。
The process of accumulation and dissipation of extra-static pore water pressure in fine-grained mud layer of tailings fill dam constructed by up-stream method is analysed.
地震作用导致岩体变形破坏的主要机制是剪应力积聚和超静孔隙水压力累积效应的耦合作用。
Essentially the main mechanism of deformation and failure of rock mass induced by earthquake is the coupling effect of shear stress and excess static pore water pressure accumulation.
与常规陆上荷载不同,波压力不仅是外加的循环表面力,而且是海床表面的超静孔隙水压力边界条件。
Different from cyclic loading acted on onshore foundation, the wave pressure plays double roles as: the surface loading imposed on the mudline and the boundary condition of excess pore pressure.
应用推荐