نشریه علمی فرآیند نو

نشریه علمی فرآیند نو

روشی نوین جهت حفاظت خطوط لولۀ فولادی در برابر انفجار با استفاده از FRP

نوع مقاله : پژوهشی

نویسندگان
1 دانشجوی دکتری مهندسی سازه، دانشکدۀ مهندسی عمران، دانشگاه صنعتی شریف، تهران، ایران
2 عضو هیأت علمی گروه سازه و زلزله، استاد ممتاز، دانشکدۀ مهندسی عمران، دانشگاه صنعتی شریف، تهران، ایران
چکیده
با توسعة شبکة خطوط لولة انتقال، حفاظت از آن در برابر خطرات، خصوصاً پدیدۀ انفجار، بیش ‌از پیش مورد توجه قرار گرفته ‌است. از مناسب‌ترین راهکارها برای تحقق این موضوع، استفاده از پلیمرهای تقویت شده با الیاف (FRP) است. در این پژوهش ضمن ارائة روابط تحلیلی حاکم بر رفتار خطوط لولة تقویت شده با FRP تحت انفجار، با بررسی یک نمونة موردی، کیفیت حفاظت از خطوط لولة فولادی توسط FRP در شرایط گوناگون ارزیابی شده است. بر اساس نتایج حاصل، به‌کارگیری الیاف کربنی FRP (CFRP) بالاخص برای حفاظت از لوله‌های جدار نازک و با عمق دفن اندک در خاک‌های سخت که در برابر انفجار آسیب‌پذیرتر هستند، می‌تواند کارآمد باشد. همچنین مقدار ضخامت مصالح FRP، تأثیر بسزایی در افزایش مقاومت خط لوله در برابر انفجار داشته و اتخاذ مقداری مناسب برای آن می‌تواند در مواردی مقاومت خط لوله را به بیش از 5/2 برابر مقدار اولیه ارتقا دهد.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

A Novel Approach in Protecting Steel Pipelines against Explosions Using FRP

نویسندگان English

Mohammad Tabiee 1
Alireza Khaloo 2
1 Ph.D. student of department of civil engineering, Sharif University of Technology, Tehran, Iran
2 Professer of department of civil engineering, Sharif University of Technology, Tehran, Iran
چکیده English

The expansion of pipeline transmission networks has increasingly highlighted the importance of protecting them against hazards, particularly blasts. The application of Fiber Reinforced Polymers (FRP) is one of the most suitable approaches to achieving this objective. This study presents the analytical relationships governing the behavior of FRP-reinforced pipelines under blasts, evaluating the protective effectiveness of FRP in steel pipelines under various conditions through the analysis of a case study. The results demonstrate that the application of Carbon Fiber Reinforced Polymers (CFRP) can be particularly effective for protecting thin-walled pipes with shallow burial depths in hard soils, which are more vulnerable to blasts. Furthermore, FRP material thickness significantly impacts the resistance of the pipelines to blasts. In certain cases, adopting an appropriate value can enhance the pipeline blast resistance more than 2.5 times compared to the initial value.

کلیدواژه‌ها English

Pipeline
FRP
Composite Materials
Reinforcement
Blast Loading
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