Open AccessEffect of Confining Pressure and Time on the Permeability of Saturated Remodeled Loess
Author(s) -
Dong Qian,
Bo Niu,
Hong Liao,
Yu He,
Qian Dai
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/719/4/042072
Subject(s) - loess , overburden pressure , permeability (electromagnetism) , geotechnical engineering , geology , chemistry , geomorphology , biochemistry , membrane
The permeability of saturated remodeled loess is closely related to slope engineering and digging-filling engineering. In order to explore the permeability of saturated remodeled loess, a list of triaxial permeability test is conducted on compacted loess under different confining pressures. The results show that the permeability coefficient of saturated remodeled loess decreases with the increase of permeability time, and finally stabilizes. The variation of confining pressure in the range of low and high confining pressures greatly affects the permeability coefficient of loess. A model considering the relationship between permeability coefficient and confining pressure is given, and applied to predict the permeability coefficient of loess under different confining pressures.