%0 Journal Article
%A FAN Li-yang
%A CHEN Guo-ping
%A MA Hong-jiao
%A LI Qing-yin
%T Influence of Water Pressure on Incipient Velocityof Cohesive Undisturbed Soil
%D 2017
%R 10.11988/ckyyb.20160124
%J Journal of Yangtze River Scientific Research Institute
%P 5-8
%V 34
%N 4
%X In order to study the influence of water pressure on incipient velocity of undisturbed clay, we carried  out  test on the incipient velocity  by using a closed rectangular pipe which could  provide different water pressures. Results show that incipient  frictional velocity of undisturbed clay in the presence of 4.35 m  water column height   is 2.52-3.06 times that under 0.35 m height. In other words, incipient velocity of undisturbed clay increases with the increasing of water pressure. Besides, water column height, grain gradation and compactness of undisturbed clay are also main factors affecting the incipient frictional  velocity.The  experimental results can provide reference for further studies on incipient velocity of cohesive undisturbed soil.
%U http://ckyyb.crsri.cn/EN/10.11988/ckyyb.20160124