Abstract
The properties of conventional concrete is improved by addition of fiber in it. By addition of these fibers ductility of concrete is enhanced and brittleness of concrete reduced. In this study Polyvinyl alcohol (PVA) fibers are used as a reinforcing material. Polyvinyl alcohol is a high resistance nonreactive material. It will not oxidize when exposed to aggressive whether conditions and having good affinity with cement. Polyvinyl alcohol fibre of size 6 mm added in five proportions of 0%, 0.125%, 0.25%, 0.375% and 0.5%. the workability of concrete decreased by addition of PVA fibers in it. So, the superplasticizers are used to improve the workability. In this study two different plasticizers Conplast SP 430 and Polycarboxylic Ether (PCE) are used and their performance on the workability and strength of concrete was worked out. The main reason for conducting this study is to find out the optimum dosage of PVA fibers, optimum dosage of super plasticizer and suggest which super plasticizer is more suitable for preparation of Polyvinyl alcohol fiber reinforced concrete.
Highlights
ILEHUV DQG K\GURJHQ ERQG EHWZHHQ WKH 39
Q WKH EHORZ WDEOH LW VKRZV WKDW DPRXQW RI SODVWLFL]HU DGGHG WR WKH FRQFUHWH WR JHW WKH ZRUNDEOH FRQFUHWH RI VOXPS YDOXH LV LQ EHWZHHQ PP )URP WKH DERYH REVHUYDWLRQ &RQSODVW 63 VXSHU SODVWLFL]HU JLYHV TXLFN ZRUNDELOLW\ IRU SUHSDUDWLRQ RI 39$ ILEHU UHLQIRUFHG FRQFUHWH DW VPDOO DPRXQW RI DGGLWLRQ DV FRPSDUHG ZLWK WKH SRO\FDUER[\OLF
Summary
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
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have