Experimental Investigation of Shrinkage of Nano Hair Reinforced Concrete
سال انتشار: 1391
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 890
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شناسه ملی سند علمی:
JR_IJEE-4-1_011
تاریخ نمایه سازی: 1 اردیبهشت 1393
چکیده مقاله:
Basically most of cement based mixtures are likely shrinking. Use of fibers is not a new idea in this case. Previously, there were some evidences that horse hair, straw and cotton fibers were used in mud andmortars in ancient times. Then, utilizing these fibers in concrete mixture may increase concrete workability anddecrease shrinkage cracks. Due to nano cross-section of hair and its proper tensile strength this project investigates its application to reduce the shrinkage of concrete mixtures. For this purpose, human hair fibers were used in 0.4 and 0.8 and 1.2 weight percent and the length of the fibers in each case varied between 15 and 60 millimeter and the samples were made of dimensions of 40×40×160 millimeters. Results are shown as considerable amount of hair may reduce in the shrinkage in the hair reinforced concrete
کلیدواژه ها:
Concrete Shrinkage/ NHRC/ Reinforced Concrete /Human Hair
نویسندگان
Yadollah Batebi
Department of Civil Engineering, Babol University of Technology, Babol, Iran
Alireza Mirzagoltabar
Department of Civil Engineering, Babol University of Technology, Babol, Iran
Seyed Mostafa Shabanian
Department of Civil Engineering, Babol University of Technology, Babol, Iran
Sara Fateri
Department of Civil Engineering, Babol University of Technology, Babol, Iran