مروری بر خصوصیات بتن فوق توانمند و کاربرد آن در مهندسی پل

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استاد دانشکده مهندسی عمران دانشگاه تهران و رئیس انستیتو مصالح ساختمانی

2 استاد دانشگاه تهران

3 دانشجوی کارشناسی ارشد مهندسی زلزله، دانشکده مهندسی عمران دانشگاه تهران

چکیده

لزوم توجه ویژه به توسعه پایدار در رشته مهندسی عمران به منظور پیشرفت جوامع امروزی، بتن را به عنوان پرمصرف‌ترین ماده در این زمینه، مورد توجه محققین قرار داده است. در این راستا بتن فوق توانمند الیافی در جایگاه یکی از جدیدترین نوآوری‌ها در عرصه تکنولوژی بتن مورد توجه ویژه قرار گرفته است. هدف نوشتار پیش رو 1ـ آشنایی با ویژگی‌های برجسته بتن فوق توانمند که بکارگیری آن را در پروژه‌های ساخت و ساز، بهسازی و مقاوم‌سازی کارآمد می‌کند و 2ـ ترویج استفاده از بتن فوق توانمند در مهندسی پل در عرصه ملی با تکیه بر مطالعات همه‌جانبه داخلی برای بومی‌سازی آن می‌باشد. سعی شده است که گزارشی جامع از نوآوری‌ها و تجارب حاصله در حوزه بکارگیری بتن فوق توانمند در صنعت پل طی دو دهه اخیر در اقصی نقاط جهان ارائه و ضمن اشاره به محدودیت‌های کلیدی استفاده گسترده این مصالح برای احداث و نگهداری پل‌ها، سمت و سوی اصلی تحقیقات آینده بررسی شود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

A review on characteristics of Ultra-High Performance Concrete (UHPC) and its application in bridge engineering

نویسندگان [English]

  • Mohammad Shekarchi 1
  • Khosro Bargi 2
  • Amirmahdi Rabiee 3
1 Professor, School of civil engineering, University of Tehran and President of Construction Material Institute (CMI)
2 Professor, School of civil engineering, University of Tehran
3 M.Sc. of earthquake engineering, School of civil engineering, University of Tehran
چکیده [English]

The necessity of attention to the sustainable development in civil engineering for the progress of modern societies has highlighted concrete as the most widely used construction material for researchers. In this way, Ultra High Performance Concrete (UHPC) has been highly appreciated as one of the newest inventions in the field of concrete technology. The purpose of this article is to: 1- depict outstanding properties of UHPC that make its utilization in construction, rehabilitation and strengthening projects efficient and 2- promote the application of UHPC in bridge engineering in the national scale relying on extensive domestic studies in order to localize it. Much effort has been made to present a comprehensive report on innovations and gained experiences in the field of using UHPC in the bridge industry during the last two decades in all parts of the world and investigate the main direction of future research pointing to the key constraints of the widespread use of this material for constructing and maintaining bridges.

کلیدواژه‌ها [English]

  • : Ultra-High Performance Concrete (UHPC)
  • Bridge Engineering
  • Rehabilitation and Strengthening
  • mix design
 
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دوره 5، شماره 2 - شماره پیاپی 10
پاییز و زمستان 1399
صفحه 55-77
  • تاریخ دریافت: 11 مرداد 1399
  • تاریخ بازنگری: 28 مهر 1399
  • تاریخ پذیرش: 28 مهر 1399