Influences of Saturation and Wetting-Drying Cycle on Mechanical Performances of Argillaceous Limestones from Liupanshan Tunnel, China

Table 1

Chemical compositions of argillaceous limestones.

SiO2	CaO	Al2O3	MgO	Fe2O3	K2O	Na2O	Others
45.85%	18.28%	13.70%	10.44%	5.80%	2.30%	1.53%	2.09%