Impact Analysis of Natural Disasters on Highway Network and Construction Measures: Case Study of Hangzhou Highway

摘要

The frequent occurrence of natural disasters in recent years has had a serious impact on highway traffic. The key to disaster-resistant construction is to adopt an effective corresponding construction strategy. Hangzhou highway is offered as a case study in this paper. Based on a drawing of the Hangzhou arterial highways network topology and combining it with an analysis of historical disaster data of Hangzhou regional highways, this paper studies the Hangzhou highway network's key feature of disaster resistance and network stability of, which is the foundation of a natural disaster resistance evaluation the of highway network. Fuzzy comprehensive evaluation method is explored and the evaluation value of the ability against natural disaster is 83 scores, which lies in the general level. Moreover, this paper identifies the Hangzhou highway's weaknesses against natural disaster through the use of retrospective analysis and proposes corresponding construction measures.