Advances in Materials Science and Engineering / 2020 / Article / Tab 3

Research Article

Mechanical Performance and Durability Evaluation of Sandstone Concrete

Table 3

Basic physical indexes and microstructure parameters of sandstone.

LithologyRock numberDensity, ρ (g·cm−3)Coefficient of water saturation, wa (%)Porosity, n (%)Relative density, GsBulk density, ρD (%)Particle area ratio, GAR (%)Particle contact rate, Gc (%)Relative average particle size, φStandard deviation, σ
Dry density, ρdSaturation density, ρsat

Silty mudstoneMudst2.382.546.7211.192.688.204.500.4
Slst12.532.611.745.952.6916.2014.004.04.830.55
Muddy siltstoneSlst22.662.670.532.562.7387.1565.4652.14.320.51
Slst32.622.661.203.322.7135.4036.5024.04.380.78
Muddy fine sandstoneFnst2.342.475.5212.622.6726.7016.0010.23.420.48
Gravelly fine sandstonePltst2.682.700.712.552.7558.2062.8040.33.810.78
GritsGitst2.202.294.7417.32.6614.303.02.520.91

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