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Journal : Serambi Engineering

Analisis Perilaku Struktur Bangunan Rumah Metode RISHA dan RIKO Ditinjau Terhadap Gempa Linier Dinamik Respon Spektrum di Kabupaten Minahasa Selatan Nico A Simanjuntak; Okta Meilawaty; Frieda
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Earthquakes are natural disasters that frequently occur in various regions of Indonesia, including South Minahasa Regency and North Sulawesi Province. This research was conducted to determine the structural behaviour of residential buildings using RISHA and RIKO methods in terms of dynamic linear earthquake load response spectrum based on base shear, displacement and floor drift. A quantitative research methodology was used in this study. The project started with a literature review, data collection and structural modelling using the ETABS program. The basic shear force on the Z axis for the RISHA method house is 376,943 kN and for the RIKO method house it is 294,896 kN, according to the analytical results. For the RISHA method house, the maximum displacement value in the x-direction is 3,639 mm and in the y-direction is 2,791 mm, and for the RIKO method house, it is 21,741 mm in the x-direction and 21,976 mm in the y-direction. According to SNI-1726-2019, the story drift that occurs in the RIHA method house structure meets the requirements because its value is less than the ultimate limit of the story drift value of 60 mm. On the other hand, the story drift occurring in the RIKO method house structure does not meet the requirements because its value is greater than the ultimate limit of the story drift value of 60 mm
Analisis Penggunaan Material Batu Dari Desa Tanjung Jariangau Kabupaten Kotawaringin Timur Sebagai Agregat Pada Campuran Hot Rolled Sheet-Base (Hrs-Base) Jepri Kurniawan; Salonten; Okta Meilawaty
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The use of stone material from Tanjung Jariangau Village as an aggregate in the Hot Rolled Sheet Base (HRS-Base) mi. It is a form of optimal use of natural resources, therefore there is a need for efforts to equip natural resources around. Tanjung Jariangau Village, Mentaya Hulu District, East Kotawaringin Regency, Central Kalimantan Province has natural resources in the form of stones that have not been properly utilised. The study was conducted to analyse the use of stones from Tanjung Jariangau Village as aggregates in the Hot Rolled Sheet Base (HRS-Base) mi. It is hoped that the stone material from Tanjung Jariangau Village can provide a solution to the need for HRS base materials in Central Kalimantan, especially in the surrounding area. Research will be carried out in the laboratory, physical properties in aggregates will be eamined to the Marshall test. The calculation results from the Marshall test obtained optimum asphalt content (KAO) of 6.02%, stability of 922.284 kg, inter-aggregate voids (VMA) of 18.372%, voids in the mi (VIM) of 4.357%, voids filled with asphalt (VFA) of 78.168% and Marshall quotient (MQ) of 278.259 kg/mm.
Optimasi Penggunaan Material Besi Tulangan pada Konstruksi Bangunan Bertingkat dengan Metode Building Information Modeling Yohanesio; Subrata Aditama K.A.UDA; Okta Meilawaty
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This research definitively compares Building Information Modeling (BIM) with conventional methods to optimize reinforcing bar usage in multi-story building construction. Reinforcing bars are high-value materials, accounting for 20-30% of construction material procurement costs. The BIM method uses Autodesk Revit for 3D modeling and reinforcement, and Cutting Optimization Pro software for cutting optimization. The conventional method uses AutoCAD and MS Excel. The analysis results clearly indicate that the BIM method is more efficient with a volume of 183,618.77 kg compared to the conventional method's 194,562.98 kg. BIM generates significant savings for D10 (14.51%), D13 (47.29%), and D16 (40.15%) diameter bars. BIM combined with Autodesk Revit automatically generates Bar Bending Schedules (BBS) that are integrated with 3D models. This approach ensures seamless updates, eliminates error risks, and delivers superior clash detection capabilities. BIM's waste optimization strategy achieved a significant reduction in total reinforcement waste by 13,288.28 kg, from 32,148.83 kg to 18,860.56 kg. This was accomplished through the use of precise 3D modeling, despite slight increases in waste observed in D13 and D16 due to differences in calculation approaches.