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Advances in Civil Engineering
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2021
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Article
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Tab 1
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Research Article
Monitoring and Analysis of Stress Distribution of the Interaction between Rock and Backfill and the Influence of Geometric Features of the Backfill Boundary
Table 1
Parameters of the surrounding rock and backfill material.
Parameters
Surrounding rock material
Backfill material
Elastic modulus
1
10
9
MPa
9
10
7
MPa
Poisson ratio
0.24
0.23
Friction angle
33°
32°
Cohesion
15 MPa
5 MPa