Solution to protect river bank by vetiver grass technology - a case study in Hoa Phong ward, Da Nang city

Abstract

ABSTRACT
Vietnam is a country located in the tropical monsoon region of Southeast Asia, and annually suffers from many natural disasters. Under the impact of climate change, which has been taking place in an increasingly negative direction, damages caused by natural disasters in general and floods in particular are expected to increase rapidly in the coming years. centralized in riverside and coastal areas. Vu Gia - Thu Bon river basin is one of the major river basins in Vietnam, river erosion problem in this area takes place quite seriously, greatly affecting local development. The solutions to protect river banks in landslide areas have become more urgent, in which the technology of riverbank reinforcement with Vetiver grass with its own advantages has been developed and successfully applied in many parts of the world. This study is conducted with the aim of applying Vetiver grass technology, combined with other materials to offer a solution for soft embankment for riverbank protection suitable for the downstream area of Vu Gia - Thu Bon. The solution has proven to be effective in practice, with relatively high technical efficiency - the same stability as other existing solutions, but at a much cheaper price.

Keywords - River bank protection, soft embankment solution, Vetiver grass technology, Da Nang city.