Geofluids / 2020 / Article / Tab 1

Research Article

Experimental Study of Slurry Flow in Mining-Induced Fractures during Longwall Overburden Grout Injection

Table 1

Model laying parameters.

LithologyThickness (cm)MaterialRatioLayersStrength (kPa)

Isolation layer1Paraffin : hydraulic oil : talcum powder : river sand : straw powder1 : 2 : 5.7 : 34.2 : 1295
Soft rock layer3Sand : calcium carbonate : gypsum : water3.5 : 3.5 : 1.5 : 1370
Key strata2Sand : calcium carbonate : gypsum : water3 : 3.5 : 1.5 : 1278
Immediate roof3Sand : calcium carbonate : gypsum : water3.5 : 3.5 : 1.5 : 1370

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