Analysis and evaluation study of retaining wall structures in a building project in South Jakarta

Retaining wall type contiguous pile is a structure that serves to hold and stabilize the soil in certain soil conditions. Retaining walls can be deformed by various factors. This research on retaining walls compares the deformation results between the actual data, the finite element method with the Mohr - Coulomb, Soft Soil and Hardening Soil parameters, and find the safety factor based on SNI Geotechnical 8460:2017. The result of this research is that the deformation value of Mohr - Coulomb modelling is closer than the actual value in the field, followed by the modelling of Soft Soil & Hardening Soil, Soft Soil & Mohr-Coulomb, and Hardening Soil. This difference occurs because there are differences in the correlation approach and the type of undrained type used. It was found that the Mohr - Coulomb parameter is better than the other parameters with a deformation result of 24.5 mm with a safety factor of 1.675 which is close to the actual data.

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