Sensitivity Analysis in the Estimation of Mechanical Parameters of Engineering Rock Mass Based on the Hoek–Brown Criterion

<div>The response behavior of rock mass around section K0+320 of the cavern after the excavation of layer I. (a) Contour of maximum redistributed stress. (b) Contour of EDZ. (c) Photo of rock cracking and failures at the spandrel on upstream side. (d) Photo of rock cracking and failures at the arch foot on downstream side.</div>

Mathematical Problems in Engineering

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Figure 10

Figure 10: Sensitivity Analysis in the Estimation of Mechanical Parameters of Engineering Rock Mass Based on the Hoek–Brown Criterion 