Research Article

Evaluation and Application of Surrounding Rock Stability Based on the Improved Weighting Multidimensional Cloud Model

Table 5

Measured values of the evaluation section indexes of the surrounding rock of the tunnel.

Evaluation sectionUCS (MPa)Jv (m)KvP (MPa)BQ (MPa)Description

143.02270.250.11285Broken surrounding rock
242.08260.160.36256Water seepage in the face
352.65140.470.24352The surrounding rock is relatively complete
450.91320.190.13290The surrounding rock is relatively complete
528.50270.260.32241Broken surrounding rock, seepage water
645.00220.270.15263Broken surrounding rock, seepage water