Because of the vertical slope cut, slope failure is observed particularly during heavy rainfall due to oversaturation of the slope forming material. Apart from construction of RCC retaining wall, slope easing is also recommended to enhance the stability
Tep, Y. and Baitha, A., 2020. Macro-scale (1:50,000) landslide susceptibility mapping in parts of Toposheets nos. 78N/8, 78O/1 and 78O/5, Kamrup and Goalpara districts of Assam, West Khasi Hills, Ri-Bhoi and East Garo Hills districts of MGhalaya. Unpubli
Gradual slope failure during heavy raifnall may lead to chocking of hill side drain and affect the road, hence an RCC retaining wall is recommended.
Noth Lumpi slide
Boko-Lumpi road
Construction of RCC retaining wall with sufficient weep holes, construction & maintenance of proper hillside drains along the road.
Vertical slope cut and loose of toe support due to erosion by road side nala.