Laboratory Investigating the Strain of Standard Concrete Specimen with FRP and Nano Silica Fiber Coating
- سال انتشار: 1402
- محل انتشار: هفتمین کنفرانس بین المللی پژوهش های کاربردی در علوم و مهندسی
- کد COI اختصاصی: CARSE07_069
- زبان مقاله: انگلیسی
- تعداد مشاهده: 206
نویسندگان
Faculty member of IAU & CEO of ASTCO
M.S graduated of IAU,
Faculty member of IAU
چکیده
It is important to prevent or reduce human and financial losses caused by earthquakes in the world. One of the activities carried out in this field today is the examination of existing buildings to evaluate the structures and identify their weaknesses and, if necessary, retrofitting. The use of FRP fibers in concrete members is considered as a new method for strengthening the structure. Also, today, additives such as nano-silica are used to increase the efficiency and strength of concrete. Therefore, the laboratory examination of nano-silica concrete samples reinforced with fibers is important to understand the behavior of the structure. In this research, the results of a laboratory study on the strain and compressive behavior of nano-silica concrete reinforced with four different models of FRP fibers are investigated. For this purpose, ۴۵ samples were subjected to pressure test at the ages of ۷, ۱۴ and ۲۸ days. All samples were made with nano-silica at the mixing rate suggested by the factory, which includes ۹ control samples without fibers and ۳۶ samples with fibers. In general, by comparing the results, it is clear that the samples reinforced with fibers and combined with nano-silica have different plasticity behavior, which should be considered by designers in performance base designکلیدواژه ها
Pressure strain, Nano silica, FRP fibers, retrofittingمقالات مرتبط جدید
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