Field Detection and Numerical Simulation Study on Roof Asymmetric Fracture Mechanism of Large-Span Soft Rock Roadway with Discontinuity Surface
Existence of roof discontinuity surface is one of the extremely important factors causing the asymmetric fracture of roadway roof, especially for large-span soft rock roadway. In this paper, a crack density coefficient (D) is firstly defined by local thresholding-microcell segmentation method and us...
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Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Wiley
2022-01-01
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Series: | Geofluids |
Online Access: | http://dx.doi.org/10.1155/2022/8945239 |
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