Insights into Unloading Relaxation Mechanism of Columnar Jointed Basalt at the Baihetan Left Dam Foundation

<div>Unloading relaxation characteristics of CJB at the downstream of the left dam foundation (B2 and C2 zones). (a) Minimum principal stress; (b) rock failure zone RFD.</div>

Advances in Materials Science and Engineering

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Figure 11

Figure 11: Insights into Unloading Relaxation Mechanism of Columnar Jointed Basalt at the Baihetan Left Dam Foundation 