Journal of Sensors / 2019 / Article / Tab 1

Research Article

Experimental Study on the Application of BOTDA in the Overlying Strata Deformation Monitoring Induced by Coal Mining

Table 1

Physical and mechanical parameters of coal and rock.

LithologyBulk (t/m3)Com (MPa)Tens (MPa)Elas (103 MPa)

Coal0.95160.63.5
Mudstone1.97501.25
Siltstone1.745428
Conglomerate1.83755.532
Fine sandstone1.6730435

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