Research Article

Water Content Influence on Properties of Red-Layers in Guangzhou Metro Line, China

Table 5

All mineral X-ray diffraction analysis test results.

NumberSampling siteSampling depth (m)LithologyMineral type and content (%)Total clay minerals (%)

PKD01Tiyu West Road Station16Moderate weathered red clay47.2/14.5/2.8/35.5
PKD02Zhujiang New Town Station17.217.8Red clay45.7/10.9/3.5/39.9
PKD03Wushan Road Station12Moderate-strong weathered red clay33.6/14.812.22.8/36.6
PKD04Zhujiang New Town Station18.119.0Sandstone27.7/5.421.15.7/40.1
PKD05Kecun Station27.6Red sandstone44.
PKD06Tianhe Station16Shield excavated soil32.915.66.5/ā€‰/45.0