Geotechnical Review of Building Damage and Landslide After Cianjur Earthquake 2022

Hutabarat, Lolom Evalita and Simanjuntak, Pinondang and Tambunan, Efendy and Purnomo, Candra C. (2024) Geotechnical Review of Building Damage and Landslide After Cianjur Earthquake 2022. Riau Journal of Empowerment, 7 (2). pp. 111-124. ISSN 2623-1549

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Abstract

On Monday, November 21, 2022, a 5.6 SR earthquake hit Cianjur Regency, West Java Province. The earthquake damaged residential buildings and caused landslides in crucial, densely inhabited areas. The eastern plateau of Sarampad Village had a long land shift fault. In Sarampad Village, faults have caused physical ground shifts that have displaced the cottages in the fields far away. In the horseshoe area of the national road between Cianjur City and Puncak, landslides occurred with a steep slope on the upper slope of the highway and a slope on the side of the highway leading to the river below the road. Having a river means the water at the land's surface that the community and army dormitories use. The soil becomes water-saturated soil, making landslides easy in an earthquake. Stone gabions and terracing have strengthened landslides on the highway ridge. Meanwhile, roadway landslides are unreinforced. Other defects on road sections transversely on the road body near the Horseshoe with curved contours must be taken seriously

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