Table 1 Mechanical parameters of the rock mass and grouting area.

From: The optimal grouting area and cable distribution design for guaranteeing roadway stability while considering fluid mechanical effects via the CMOEAD algorithm

 

Density(kg/m3)

Bulk modulus(GPa)

Shear modulus(GPa)

Cohesion(MPa)

Friction angle(o)

Tension(MPa)

Rock mass

2500

3

9e9

1.3

9

0.5

Grouting area

2600

3.5

10e9

5

31

2

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