Research Hotspots and Development Trends of Highway Flood Damage Based on Knowledge Graph

Highway flood damage is a common highway operation disaster. To analyze the current development trend and hot research direction in the field of highway flood damage research, takes “Highway flood damage” as the subject word, 392 document data collected by CNKI China Knowledge Network from 2000 to 2023 were visually analyzed by CiteSpace document analysis software. The results show that: 1) The research field of highway water damage has experienced a development stage of steady-growth-stability, and the field of highway water damage has at-tracted the attention of scholars earlier, but the research has been in a stable development state in the past 20 years. 2) Ma Baocheng, Ling Jianming, Tian Weiping, Zhao Hongduo, Chen Hongkai and other scholars are core researchers in the field, and their publication frequency is 5 or more. The Key Laboratory of Highway Engineering in Special Areas of Chang’an University of the Ministry of Education, the Institute of Geo technical Engineering of Chongqing Jiaotong University and the Key Laboratory of Road and Traffic Engineering of the Ministry of Education of Tongji University are the core research institutions in the field, but there are few cooperative researches among institutions in the field, and no mature cooperative research network has been formed. 3) “Highway water damage”, “highway engineering”, “rural road” and “mountain road” existed in the early stage, but in recent years, these three subject words have become research hot spots, and some scholars have achieved a number of results built on the existing research. The results of this study can help people to further sort out the main research status, development problems and achievements in the field of highway flood damage research in recent years. At the same time, by reviewing the main research and development process in the past two decades, it can also be used as a reference for relevant researchers to carry out the key research and future development prediction of this discipline in recent years.