دانلود مقاله Life Cycle Environmental and Economic Impacts of the use of concrete bridges with UHPFRC با word
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توجه : در صورت مشاهده بهم ریختگی احتمالی در متون زیر ،دلیل ان کپی کردن این مطالب از داخل فایل ورد می باشد و در فایل اصلی دانلود مقاله Life Cycle Environmental and Economic Impacts of the use of concrete bridges with UHPFRC با word،به هیچ وجه بهم ریختگی وجود ندارد
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سال انتشار: 1393
محل انتشار: اولین همایش ملی مهندسی سازه ایران
تعداد صفحات: 13
چکیده:
Motivated by mechanical properties and durability against severe exposure, increasing use of Ultra High PerfomanceFiber Reinforced Concrete (UHPFRC) in the last decade has openned a new harizon for engineers and designers in thearea of construction. This new technology can herald change in construction industry in the future decade. The need forthe new world infrastructure development, the limited resources and raw meterials used, and the destructiveenvironmental impact of related products of construction industry have shown the importance of dominating an ideologybased on quality with reducing environmental impact and increased economic efficiency. UHPFRC, as a new generationof concrete, has been studied by environmental and economic life cycles since its inception. The objective of this study isto compare the economic and environmental impact of UHPFRC bridge construction with NSC bridge construction in aperiod of 100 years using the Life Cycle Assesment (LCA) methodology. The study has been performed in Ahvaz, Iran.The analysis shows that the costs of UHPFRC within 100 years are around one third of the NSC costs within the sameperiod. The pessimistic estimate of the enivonmental impact of UHPFRC especially in global warming equals the NSCimpact.
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