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Journals / El-Cezeri / 2026 / Cilt: 13 Sayı: 3

Thermal Response of Reinforced Concrete Shallow Bin (Bunker) With Protection Coating Under Hydrocarbon Fire: A Finite Element Approach

Hidrokarbon Yangını Altında Koruma Kaplamalı Takviyeli Beton Sığ Silonun (Bunker) Isıl Tepkisi: Sonlu Elemanlar Yaklaşımı

Kuldeep Joshi(MBM University)0009-0001-1235-7985
Archana Bohra Gupta(MBM University)0009-0006-2803-6517
Journal
El-Cezeri
Pages
497–509
Publication Date
2026-09-07
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results show that fire magnifies stress and displacement in the bunker, making them beyond the permissible limits set by the Indian Standard IS 456:2000, and induces compression damage in concrete.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Shallow bins, commonly used for storing material, are typically designed for ambient conditions, overlooking their response under elevated temperatures, such as during fire outbreaks.
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Key Findings & Data:To illustrate the impact of elevated temperatures on structural performance and signify the necessity of some protection measures, this study examines a reinforced concrete shallow bin (bunker) under Hydrocarbon Fire Curve through a finite element approach.
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Conclusion & Impact:The results show that fire magnifies stress and displacement in the bunker, making them beyond the permissible limits set by the Indian Standard IS 456:2000, and induces compression damage in concrete.
🔬Design:Araştırma Makalesi
📍Scope:2000 Verileri
⚙️Variables:RC Sığ çöp kutusu · Hidrokarbon yangını · Termal tepki

Abstract

Shallow bins, commonly used for storing material, are typically designed for ambient conditions, overlooking their response under elevated temperatures, such as during fire outbreaks. To illustrate the impact of elevated temperatures on structural performance and signify the necessity of some protection measures, this study examines a reinforced concrete shallow bin (bunker) under Hydrocarbon Fire Curve through a finite element approach. Two fire exposure conditions were considered: bunker heated from one side and heated from the bottom (underside). To improve bunker’s fire resistance, two types of protection coatings were examined: gypsum plaster with sand aggregate and high-density particle board. Different coating thicknesses were analysed to determine their insulation capacity and required thickness to preserve bunker’s structural integrity under fire. The results show that fire magnifies stress and displacement in the bunker, making them beyond the permissible limits set by the Indian Standard IS 456:2000, and induces compression damage in concrete. Different thicknesses (1-10 cm) of the gypsum plaster reduced the temperature by 2.82 to 97.53 %, whereas high-density particle board reduced it by 2.28 to 97.42%. A minimum 8 cm thickness of gypsum plaster and particle board, when applied individually, was required to preserve structural integrity under both fire exposure conditions.

Özet

Genellikle malzeme depolamak için kullanılan sığ silolar, genellikle ortam koşulları için tasarlanır ve yangın çıkışları gibi yüksek sıcaklıklardaki tepkileri göz ardı edilir. Yüksek sıcaklıkların yapısal performans üzerindeki etkisini göstermek ve bazı koruma önlemlerinin gerekliliğini belirtmek için, bu çalışma sonlu elemanlar yaklaşımıyla Hidrokarbon Yangın Eğrisi altında betonarme sığ bir siloyu (sığınak) inceler. İki yangına maruz kalma koşulu dikkate alındı: bir taraftan ısıtılan ve alt taraftan (alt taraf) ısıtılan sığınak. Sığınağın yangına dayanıklılığını artırmak için iki tür koruma kaplaması incelendi: kum agregalı alçı sıva ve yüksek yoğunluklu parçacık levha. Farklı kaplama kalınlıkları, yalıtım kapasitelerini ve yangın altında sığınağın yapısal bütünlüğünü korumak için gereken kalınlığı belirlemek amacıyla analiz edildi. Sonuçlar, yangının sığınaktaki gerilimi ve yer değiştirmeyi büyüttüğünü, bunları Hindistan Standardı IS 456:2000 tarafından belirlenen izin verilen sınırların ötesine çıkardığını ve betonda basınç hasarına neden olduğunu göstermektedir. Farklı kalınlıklardaki (1-10 cm) alçı sıva, sıcaklığı %2,82 ila %97,53 oranında düşürürken, yüksek yoğunluklu yonga levha %2,28 ila %97,42 oranında azaltmıştır. Her iki yangın maruziyet koşulunda da yapısal bütünlüğün korunması için, ayrı ayrı uygulandığında alçı sıva ve yonga levhanın en az 8 cm kalınlığında olması gerekmiştir.

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Cite This Article

Joshi, K., Gupta, A. B. (2026). Thermal Response of Reinforced Concrete Shallow Bin (Bunker) With Protection Coating Under Hydrocarbon Fire: A Finite Element Approach. El-Cezeri, Cilt: 13 Sayı: 3, 497–509. https://doi.org/10.31202/ecjse.1800204

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