第一个书签之前
摘 要
1. introduction
1.1. Background
1.2. Problem statement
1.3. Research objective and questions
1.3.1. Objectives
Sub-objectives:
1.3.2. Research Questions
2. literature review
2.1. Introduction to a method for hazard assessment along roads
2.2. Homogenous segmentation mapping
2.3. Landslide conditioning factors used in susceptibility/ hazard analysis
2.4. Methods used for estimating landslide activity
2.5. Evaluation of remedial measures along roads
3. study areas and datasets
3.1. Yingxiu area
3.1.1. Location and general description
3.1.2. Dynamic change of transportation infrastructure
3.2.1. Background of the study area in Duyun City
3.2.2. Datasets
4. development of a rapid method for multi-hazard assessment
4.1. Subdividing roads into homogeneous segments manually
4.1.1. Input parameters used to identify homogeneous road sections
4.1.2. Road coding method
4.1.3. The process of segmentation
4.1.4. An example of how to attribute the codes
4.2. The method for qualitative hazard assessment
4.2.1. The determination of the hazard type
4.2.2. Development of a decision tree for multi-hazard activity
4.2.3. Development of a decision tree to evaluate favourable conditions for the triggering of hazards
4.2.4. Hazard matrix
4.3. The evaluation of the prioritization class for implementing mitigation works
4.3.1. The protection efficiency decision tree
4.3.2. The prioritization method
4.3.3. The rapid evaluation questionnaire used to do prioritization
5. Results
5.1. The application in Duyun area
5.1.1. The result of homogeneous road segmentation
5.1.2. The result of hazard assessment per section
5.1.3. The result for the prioritization class for implementing mitigation works
5.2. The application in the Yingxiu area
5.2.1. The result of homogenous road segmentation
5.2.2. The result of hazard assessment per section of the three roads
5.2.3. The county road in Longchi Town
5.2.4. The result for the prioritization class for implementing mitigation works
6. testing of the method
6.1. Testing initial method in the field
6.1.1. The initial rapid evaluation method
6.1.2. Testing in the field
? Homogeneous road segmentation
? Case example result
6.1.3. Problems in the initial method testing
6.2. Testing the method in the office
6.2.1. Homogenous road segmentation
6.2.2. Case examples results
6.3. Discussion
7. CONCLUSIONS AND RECOMMENDATIONS
7.1. Conclusions
7.2. Recommendations
长安大学;
