Using the Information Quantity Method to Assess the Regional Risk of Highway Slope to Improve the Level of Risk Management
Table 6
Value of slope disease impact coefficient (SV) [29].
Impact Severity
Severity description
Value (SV)
No or light
Roads and their structures were only slightly affected, did not affect use, and did not cause traffic disruption
0.76
Nonserious
Roads and their structures were damaged or their functions were affected and could still be used after timely repair. Traffic interruption, emergency repair, and treatment time are expected to be more than 1 hour
0.85
More severe
After slope failure, the highway and its structures suffered great damage or function were greatly affected, which required special reinforcement treatment to put into normal use. Traffic damage or interruption, emergency repair, and treatment time were expected to be more than 12 hours
0.92
Serious
After slope failure, the highway and its structures would be completely destroyed or their functions completely lost, and the traffic would be destroyed or interrupted. The time for emergency repair and treatment was expected to be more than 24 hours