CD Tugas Akhir
Pengaruh Posisi Beban Tangki Air Di Atap Gedung Bertingkat Dengan Denah Berbentuk L Terhadap Kriteria Ketidakberaturan Horizontal Dan Vertikal
ABSTRACT
In the design of multi-story building structures, load distribution is one of the key factors that significantly affects the stability and seismic performance of the building. One common load found on the roofs of high-rise buildings is a water tank. An asymmetrical floor plan, such as an L-shaped layout, can result in the center of mass and the center of rigidity not coinciding, which may lead to torsional effects during an earthquake. The presence of additional roof loads, such as a water tank, can further exacerbate structural irregularities, both in terms of horizontal and vertical irregularities, potentially leading to undesirable dynamic responses. This study aims to determine the effect of water tank positioning on the roof of a multi-story building on the inter-story drift values and structural irregularities. In this study, the building layout is designed in 5 types with 3 variations of water tank positioning. To model the building structure and analyze the results, a FEM-based application is used. The results of this study show that the inter-story drift due to different water tank positioning does not significantly differ from the building without a water tank load. The presence of the water tank in three different positions does not cause structural irregularities in any of the modeled building types. However, horizontal irregularities, particularly in the inner corner, occur in all building types due to the influence of the L-shaped floor plan dimensions.
Keywords: Irregularity Structure, Story Drift, Water Tank Load Position, L-Shaped Structure.
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