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

<div>Typical tested P wave velocity vs. depth in the boreholes (1 month after excavation).</div>

Advances in Materials Science and Engineering

Figure 5: Insights into Unloading Relaxation Mechanism of Columnar Jointed Basalt at the Baihetan Left Dam Foundation 