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All Journal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Abdimas Le Mujtamak
Supiyat, Agus
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Religion Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Engineering Law, Crime, Criminology & Criminal Justice Transportation Other

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Identification of the Effect of Concrete Carbonation on the Strength of Cooling Tower Structures Using the Monte Carlo Simulation Method Supiyat, Agus; Biantoro, Agung Wahyudi
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9530

Abstract

Cooling Tower buildings are examples of construction that is directly exposed to adverse weather conditions that cause concrete damage in the form of carbonation. damage such as concrete cover spalling, cracks on the surface of concrete walls, and corrosion of reinforcement, Conditions like this need to be handled seriously because they have an impact on the structural safety factor of the building. This study aims to determine the effect of carbonation on the concrete structure of the Geothermal Power Plant Cooling Tower Building on Mount Salak which has experienced degradation of concrete quality due to carbonation. Concrete Analysis method to determine the relationship of the effect of carbonation on concrete strength in the Cooling Tower structure uses Monte Carlo simulation method based on measurements of concrete cover and carbonation depth. Monte Carlo simulation results to estimate the carbonation rate of concrete showed an average of 2.4 cm per year for a simulation period of 25 years. The average carbonation of concrete obtained from probability is 2.28. By repeating the simulation, an average value close to the estimate will be obtained from the coefficient of determination test results of 48.1%. The effect exerted by concrete quality on concrete carbonation is negative, meaning that better concrete quality will reduce concrete carbonation.
Peningkatan Wawasan Masyarakat Desa Drawati Mengenai Dasar Listrik dan Instalasi PJU Sel Surya: Improving Community Knowledge in Drawati Village on Basic Electrical Principles and Solar-Powered Street Lighting Systems Kinasih, Reni Karno; Widyaningsih, Nunung; Saragih, Ivan Jansen; Supiyat, Agus
Jurnal Abdimas Le Mujtamak Vol. 5 No. 2 (2025): Le MUJTAMAK 2025: Juli - Desember
Publisher : Universitas Islam Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46257/jal.v5i2.1227

Abstract

Penerangan Jalan Umum (PJU) berbasis tenaga surya merupakan solusi berkelanjutan untuk menyediakan pencahayaan di wilayah pedesaan yang belum terlayani dengan baik. Namun, keberhasilan jangka panjang sistem ini sangat bergantung pada kemampuan masyarakat dalam memahami serta merawat instalasi yang ada. Program pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman masyarakat mengenai dasar-dasar kelistrikan dan keterampilan teknis terkait pemasangan serta pemeliharaan PJU tenaga surya. Sasaran kegiatan mencakup warga, kelompok pemuda, serta perangkat desa di lokasi yang telah atau akan dipasang PJU surya. Metode pelaksanaan menggabungkan sesi teoritis mengenai kelistrikan dan energi surya dengan pelatihan praktik langsung, termasuk simulasi pemeliharaan sistem. Hasil kegiatan menunjukkan peningkatan pengetahuan pada lebih dari 85% peserta, tersusunnya modul pelatihan lanjutan, serta terbentuknya kelompok pemelihara lokal. Temuan ini menegaskan pentingnya pemberdayaan masyarakat dan penguatan kapasitas teknis lokal dalam mendukung keberlanjutan teknologi energi terbarukan di tingkat desa.
Co-Authors Agung Wahyudi Biantoro Nunung Widyaningsih Reni Karno Kinasih Saragih, Ivan Jansen