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
Muddy siltstoneSlst22.662.670.532.562.7387.1565.4652.14.320.51
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

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.