Research Article

Evaluation of the Adaptability of an EPB TBM to Tunnelling through Highly Variable Composite Strata

Table 16

Evaluation index values obtained from the test sections.

Evaluation indexSection C-HSection N-Q
Left lineRight lineLeft lineRight line

V6 (MPa)0.1370.1490.1890.168
V7 (kPa)242.2269.9221.2141.0
V8 (mm)64.1264.8368.6463.55