Coupled unsaturated flow in claystone has high effect on strength and stability of underground engineering.
非饱和渗流、应力耦合行为是影响粘土类工程岩体的强度和稳定性的重要因素。
2
There exists boundary claystone near the boundary between both the Marine and terrestrial Permian and Triassic in the eastern Yunnan-western Guizhou area.