Mathematical Problems in Engineering / 2016 / Article / Tab 1

Research Article

Upper Bound Solution of Safety Factor for Shallow Tunnels Face Using a Nonlinear Failure Criterion and Shear Strength Reduction Technique

Table 1

Comparison of FOS for tunnel face.

Numberγ (kN/m3) () (Pa) FOS
LEMLAM

10.42020249601.04423541.0085697
20.42025181201.03955531.0189546
30.42030129601.03071141.0094596
40.42035105601.0314791.0074599
50.4204079201.03144551.0098653
60.4204560001.03272471.0112345

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