Perbandingan Software SAP 2000 V.14 dan ETABS V.18 pada Analisa Struktur Gedung Serbaguna SM-TPI Klasis Pulau Ambon Utara Jemaat Wayame

Abstract

Maluku, located at the convergence of three tectonic plates, is a seismically active region that requires earthquakeresistant building designs. This study analyzes and designs the structure of the multi-purpose building of SM-TPI Klasis Pulau Ambon Utara Jemaat Wayame, constructed on a 1,385 m² site with a building area of 848.7 m². The research process includes preliminary design, seismic load calculations using the equivalent static method (SNI 1726:2019), structural analysis with SAP2000 v.14 and ETABS v.18, and reinforcement design following SNI 2847:2019. Initially, the structure consisted of a 0.15 m floor slab, beams B1 (0.30 m x 0.60 m), beams B2 & BK (0.30 m x 0.40 m), beam BA (0.25 m x 0.30 m), columns K1 (0.40 m x 0.40 m), and K2 (0.30 m x 0.30 m). However, the structural analysis indicated failures, leading to an increase in dimensions: beam B1 (0.40 m x 0.70 m), beams B2 & BK (0.30 m x 0.50 m), beam BA (0.25 m x 0.40 m), column K1 (0.45 m x 0.45 m), and column K2 (0.40 m x 0.40 m). These changes resulted in higher seismic loads: W3 = 569.267 kN, W2 = 1,334.703 kN, and W1 = 826.171 kN. The reinforcement design was adjusted to meet performance standards. The floor slab uses Ø10-125 reinforcement. Beams B1 and B2 have top supports with 9D19 bars and bottom supports with 8D19 bars, along with shear reinforcement of 3D13-110 at supports and 2D13-140 in spans. Beams BK and BA use 3D19 bars at both ends with shear reinforcement of 2D13-110. Column K1 is reinforced with 20D19 main bars and 4D13-110 stirrups.