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All Journal Media Ilmiah Teknik Sipil Borneo Engineering : Jurnal Teknik Sipil
Tjitradi, Aeron
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Civil Engineering, Building, Construction & Architecture

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Desain Praktis Beban Gempa Dasar Untuk Bangunan Di Lahan Basah Kabupaten Banjar Kalimantan Selatan Tjitradi, Darmansyah; Eliatun, Eliatun; Khatimi, Khusnul; Karim, Abdul; Lestari, Della Dwi; Tjitradi, Aeron
Borneo Engineering : Jurnal Teknik Sipil Volume 8 Nomor 2 Tahun 2024
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v8i2.5706

Abstract

Banjar Regency is a regency in the province of South Kalimantan which has an area of 4,688 km² and a population of 580,100 people at the end of 2023. Banjar Regency has a capital city located in Martapura sub-district and is included in the Banjar Bakula metropolitan area candidate. Although the Banjar Regency area is an area with minimal seismic and volcanic activity, it has wetlands/swamps with low bearing capacity/soft soil that has the potential to damage buildings due to the amplification of earthquake vibrations. According to earthquake data, South Kalimantan and Banjar Regency in particular have experienced several earthquakes such as 13-14 February 2024 Banjar Regency (M4.7, M3.3, and M4.1), 18 February 2024 Hulu Sungai Tengah Regency (M3.2) and 02 April 2024 Tabalong (2.8M). This study aims to develop a practical design graph of the basic earthquake load spectrum response at 20 building locations in the sub-districts of Banjar Regency, which is certainly very useful for the wider community, especially construction actors in designing buildings in the wetland areas of Banjar Regency. The results of this study indicate that the design earthquake spectrum response graph for all sub-districts in Banjar Regency has normal behavior, namely the softer the soil conditions or the higher the building risk category, the greater the basic earthquake force that works, and structural design parameters, equations and practical design graphs have been obtained to determine the magnitude of the basic earthquake load (V) based on the weight of the building (W), risk category and site class for Banjar Regency.
Simulasi Pengaruh Angin Pada Bangunan Di Kalimantan Selatan Menggunakan Software Thunderhead Pyrosim: Simulation Of Wind Effects On Buildings In South Kalimantan Using Thunderhead Pyrosim Software Tjitradi, Darmansyah; Eliatun, Eliatun; Barkiah, Ida; Karim, Abdul; Prasetia, Irfan; Lestari, Della Dwi; Tjitradi, Aeron
Media Ilmiah Teknik Sipil Vol. 13 No. 3 (2025): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v13i3.10031

Abstract

South Kalimantan has a tropical climate with high rainfall and high humidity. The weather in this area can also change rapidly, with strong winds and heavy rain, potentially damaging buildings and infrastructure. In recent decades, there have been significant improvements in building design and construction, especially in terms of strength and safety. However, many buildings are still vulnerable to wind damage, especially in areas prone to storms or strong winds. This research aims to simulate the effect of wind on a simple residential building in South Kalimantan measuring 6.0 m x 6.0 m, with varying roof slope angles of 15, 30, 35, and 40 degrees, using Thunderhead Pyrosim Software Version 6.9.1 (Academic License).. Based on the results of this study, it can be known that according to online BMKG data, the maximum wind speed that occurs in South Kalimantan is 21 m/det, and based on the results of software simulation, it can be known that the greater the slope angle of the roof, the greater the Cd (drag coefficient) / resistance of the building, which means that the building will have a higher possibility of being carried away by the wind. Conversely, a lower drag coefficient value indicates that the roof will be more resistant to wind flow pressure, or in other words, more aerodynamic, so that houses in windy areas can use roofs with a small slope angle (15o - 35o ) or concave roofs for better aerodynamics, and provide a barrier in the direction of the wind.
Co-Authors Abdul Karim Darmansyah Tjitradi Eliatun Eliatun Ida Barkiah Irfan Prasetia Khatimi, Khusnul Lestari, Della Dwi