Table 2: Physical and mechanical properties of shaft lining concrete.

3 d strength (MPa)7 d strength (MPa)28 d strength (MPa)Slump (mm)Elasticity modulus (MPa)Poisson’s ratioRelative impermeability coefficient (cm·h−1)Water absorption

70.3381.3794.47182412370.2111.14 × 10−72.54%