Table 3.

Comparison of displacements from two sets of graphite rod extensometers (G44 and G44X)

NumberAdit segment (m)Displacement (mm)Displacement increment in this segment (mm)Accumulated displacment of adit entrance (mm)Proportion (%)
2008-7-232009-9-23
G4476.5–151.121.633.0611.4614.1381.10
G44X76.4–152010.5410.5411.9488.27