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Combining Soil Nail and Vetiver Grass In A Slope Protection Project In Vietnam N. T. Nghia; L. G. Lam; T. Hino
Lowland Technology International Vol 21 No 1, June (2019)
Publisher : International Association of Lowland Technology

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Abstract

This paper presents a combination of soil nail and vetiver grass for slope protection in a project in center of Vietnam. The application of vetiver grass is considered as a green environmental solution for erosion surface control while soil nail with shotcrete is a traditional method for steep slope stabilization. The shotcrete surface of soil nail system will be replaced by vetiver grass for the combination of soil nail and vetiver grass. This is not only economic solution but also meets requirement for landscaping. This paper presents design and construction techniques and compares the construction cost with tradiional soil nail methods.
Effects of ship waves on riverbank erosion in the Mekong delta: A case study in An Giang province C. N. Thang; T. Hino; C. N X Quang; L G Lam
Lowland Technology International Vol 22 No 3 (2020): Lowland Technology International Journal
Publisher : International Association of Lowland Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.0001/ialt_lti.v22i3, Dec.696

Abstract

The Mekong Delta is facing with more and more serious riverbank landslides which have a great impact on people's lives, assets and lives, as well as the socio-economic development of local people. There are many causes of riverbank landslides. This study focuses on the causes of riverbank erosion by ship waves. With increasing traffic density, erosion resulting from increasingly serious. In this study, surveying and collecting wave parameters generated by different means were carried out, and the simulation data using laboratory models was also used. Riverbank erosion is assessed through two criteria: the amount of suspended material in the water and the surface erosion of the soil sample. The results show that the ship waves have a significant impact on the erosion of the riverbank and it is possible to predict the level of the erosion by the time.