Civil Engineering Reference
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Figure 22.18
Excavation of bench IX
22.9
Mapping and Monitoring Results during Excavation of Benches
Figure 22.19 shows a developed view of the geotechnical mapping of the vault and the
walls. This mapping revealed a relatively high frequency of discontinuities of sets D3
and D3', which are also illustrated in Fig. 22.20, showing a cross-section through the
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