Research Article

A New Width Measurement Method of the Stress Relief Zone on Roadway Surrounding Rocks

Table 2

Constrain condition of the model.

BoundaryMechanical constraintsSeepage constraints

ABB’A’Fixed in the directionImpermeable
CDD’C’Free,  MPaImpermeable
ADD’A’Fixed in the directionImpermeable
BCC’B’Fixed in the directionImpermeable
A’B’C’D’Fixed in the directionImpermeable
ABCDFixed in the directionImpermeable
RoadwayFree MPa
Borehole IFree MPa
Borehole II/Impermeable
Borehole IIIFree