NEWS – The Tamilnadu State highways department is undertaking the stabilisation of slopes around the Nilgiris’ major roads at five locations by growing grasses to prevent soil erosion

HIGHLIGHTS

• Technique Used: Soil nailing and Hydroseeding method
• Location of Project: Ketti, Kattabettu, Perar, Kudah, and Udhagamandalam
• Project Overview:
  • State highways department undertaking slope stabilization work.
  • Aim is to prevent landslips from blocking major roads.
  • Chosen locations prone to landslips, requiring alternative stabilization methods.
• Soil Nailing Process:
  • Geotechnical engineering technique.
  • Involves inserting reinforcing elements into the soil to strengthen it.
• Hydroseeding Method:
  • Applying a mixture of seeds, fertilizer, organic materials, and water onto the soil.
  • Facilitates the growth of grass and plant-life to hold topsoil and prevent erosion.
• Grasses Used:
  • Five species of grasses, including native Indian species.
• Maintenance:
  • Highways department to maintain grasses post-hydroseeding.
• Benefits:
  • Mitigates impact of landslips on linear infrastructure like roads.
  • Environmentally friendly solution for slope stabilization.