On 13.10.2018, a cut slope failure occurred along  Athirungal-Kulathuman-Kalleli road  due to heavy rainfall. The thick overburden on the cut slope face of the road got oversaturated, increase in pore water pressure along with decrease in shear strength
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Kulathuman slide
Athirungal-Kulathuman-Kalleli road
Removal of loose material from the slide zone,  construction of concrete retaining wall with weep holes and lined toe drain.
Due to heavy rainfall, the thick overburden on the cut slope face of the road got oversaturated. Increase in pore water pressure along with decrease in shear strength of the material resulted in slope instability  along unscientifically cut slope along t