A new approach for landslide mitigation for sustainable development of the transport sector.

Tóm tắt

The phenomenon of landslides is a strong example of natural disasters that directly affect the development of mountainous areas in general, and the traffic and transportation sectors in particular. By observing the damages caused by typical landslides in Vietnam, it can be recognized that the response to this dangerous phenomenon is often quite passive. This paper proposes a new strategy to proactively prevent and mitigate the occurrence of this natural disaster for sake of new design and management of roads, especially in mountainous terrain areas. The core of the new strategy is to identify an area’s vulnerability to landslide using a landslide hazard map (LHM), created through a combined use of the landslide risk assessment map (LRAM) and the landslide susceptibility map (LSM). LRAM is outlined based on landslide inventory maps and is used for evaluation of an area’s re-activeness to land sliding. LSM is created using landslide manifestation data collected about landslide causative factors such as topography, geomorphology, geology, climate and human impact as a basis for predicting the future of a particular
area. The establishment and use of LHM will contribute to landslide
mitigation.