Life Cycle Cost Analysis (Lcca) Simulation Of LRB Application In Earthquake-Resistant Buildings For Every Earthquake Event

Dinariana, Dwi and Nurjaman, Hari Nugraha and Gambiro, Gambiro and Fau, Martinus Nifotuho and Suwito, Suwito and Sujatini, Siti (2024) Life Cycle Cost Analysis (Lcca) Simulation Of LRB Application In Earthquake-Resistant Buildings For Every Earthquake Event. The Seybold Report, 19 (2). pp. 1123-1129. ISSN 1533-9211

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Abstract

The technology that can be used to reduce the earthquake loads received by a structure is the base isolation system. There are two basic isolation systems that are commonly used, namely the Lead Rubber Bearing (LRB) system and the High-Damping Rubber Bearing (HDRB) system. The application of LRB in precast concrete building systems has not been widely implemented because LRB is still an imported product and is expensive. For this reason, a study is needed on the calculation of Life Cycle Costs and a comparison of imported prices and local prices. This study calculates LCCA with a 50-year building life plan, planned with 4 conditions. The four requirements are conventional high-rise building construction, precast structures, precast structures with LRB for LRB replacement every 25 years, and precast structures with LRB for LRB replacement every 40 years. The LCCA deviation value will be close to 0 (zero) if an earthquake occurs in the 32nd year for LRB replacement every 40 years, and the 35th year for LRB replacement every 25 years. A comparison of the LRB prices between imported products and Indonesian national products shows that the price of local products is 23% of the price of imported products. Keywords: Life Cycle Cost Analysis, Simulation, LRB, Buildings, Earthquake, Event

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