Journal of Geological Research / 2014 / Article / Tab 10

Research Article

Assessment of Slope Instability and Risk Analysis of Road Cut Slopes in Lashotor Pass, Iran

Table 10

RHRS ratings for the Lashotor slopes.

ParameterValueRating

Slope height34100
Ditch effectivenessNo catchment81
Average vehicle risk450100
Sight distanceAdequate sit distance 100%3
Roadway width12 m6
Structural conditionContinuous joints, adverse orientation81
Rock frictionPlanar27
Block size0.5–1 m37
Climate water Moderate precip.9
Rockfall historyOccasional falls9

Total score461