›› 2010, Vol. 31 ›› Issue (2): 604-608.
• Geotechnical Engineering • Previous Articles Next Articles
JIA Ning, MENG Qing-hui, JIA Jian
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Abstract:
Considering the slope features, location of the tower, size and quantity of potential unstable rock mass on the slope surface, and the size and quantity of the rock blocks at the slope toe, a feasible risk assessment method is put forward based on the energy of the rolling rock block reaching the tower, and the frequency of rockfalls. The velocity of the rock block rolling from a zigzag slope with a steeper segment near the slope toe is larger than that form a concaved slope. The tower located at the concaved side of a hill has more risk than the tower located at the convex side.
Key words: transmission line, poles and towers, potential unstable rock mass, rockfalls, risk analysis
CLC Number:
JIA Ning, MENG Qing-hui, JIA Jian. Risk analysis of encountering rockfalls on transmission line towers[J]., 2010, 31(2): 604-608.
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