HAZAIRIN, HAZAIRIN and DESMALIANA, ERMA and MEYLANI, IMAS ANGGI (2021) Optimasi Bentuk Penopang Pelat Beton Apung. Reka Racana, 7 (1). pp. 44-55. ISSN 2477-2569

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Abstract

Flood disasters often occur in Indonesia, even the state palace is not spared from being submerged because the increasing volume of water cannot be stopped. The damage that occurs to facilities and infrastructure due to flooding is not small and one way to avoid this damage is to use floating concrete slabs. Modeling of floating concrete slab on an elastic foundation using Ansys software, with an elastic support value of 10 kN/m3 and a load of 2,500 N at the end of the floating concrete slab. This study aims to determine the effect of the shape of the floating concrete slab support on the buoyancy balance, as well as the maximum deformation value due to loading. Floating concrete slab measuring 3x4 meters with various forms of triangular, trapezoidal and curved supports in one direction or two directions. From the results of the analysis and discussion, it can be concluded that the floating concrete slab with a triangular shape of 300 two-way supports has the smallest deformation value of 0.194 m, the plate volume is 9.328 m3 and the draft deviation is 0.191 m. Keywords : floating concrete plate, plate support geometry, deformation

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