Open AccessMETHOD OF DETERMINATION OF INITIAL PORE WATER PRESSURE OF SATURATED CLAYED GROUND UNDER EMBANKMENT
Author(s) -
Son Truong Bui
Publication year - 2009
Publication title -
khoa học công nghệ
Language(s) - English
Resource type - Journals
ISSN - 1859-0128
DOI - 10.32508/stdj.v12i8.2278
Subject(s) - pore water pressure , consolidation (business) , geotechnical engineering , saturation (graph theory) , groundwater , settlement (finance) , aquifer , levee , geology , materials science , mathematics , accounting , combinatorics , world wide web , computer science , business , payment
Base on proposed formulation and testing results, method of determination of initial excess pore water pressure, which is used in filtration consolidation and other geotechnical problems in case of plane and spatial problems. Unlike supposition in initial time t = 0, σ = uwo, i.e. accepting a value of coefficient of initial pore water pressure β=1, by the laboratory testing results in triaxial cell, value of coefficient of initial pore water pressure of weak saturated clayey soils in HoChi Minh City and Mekong delta is lower 1. Output computation and research results show, that initial excess pore water pressure depends on water saturation, value of compression stress and groundwater level. Using the suggested formula allows determining coefficient of initial excess pore water pressure and applies to estimate initial settlement, distribution initial pore water pressure in consolidation and long term settlement.