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INSTITUTE OF TECHNOLOGY, NIRMA UNIVERSITY, AHMEDABAD – 382 481, 09-11 DECEMBER, 2010 3 100X100X500 mm are prepared. The samples are kept in a sump for curing. V. RESULTS AND DISCUSSIONS Compaction factor test had been conducted for finding the workability of the concrete. In this test compaction factor is gradually increasing. At 2% fiber maximum compaction factor attained for HDPE fiber. The results are shown in fig.1. Fig. 1. Compaction Factor test results From the fig. 2 and 3, the compressive strength and split tensile strength of concrete at the age of 7, 14 and 28 days with percentages of fiber varying from 0 to 6%. The compressive strength and split tensile strength of concrete is increasing as the fiber content increases up to 3.5% and the strength is decreasing as the fiber content increases from 3.5 to 6%. Fig. 2. Compressive strength (N/mm2) of Concrete. Fig. 3. Split Tensile strength (N/mm2) of Concrete. The experimental setup for the Flexural strength of concrete is shown in the fig.4. Concrete beam has tested using 20KNcapcity load frame. Fig. 4. Experimental setup for the flexural test. Fig. 5. Flexural strength (N/mm2) of Concrete. The flexural strength of modified concrete is increases as the percentage of fiber is increased up to 3.5. Later the flexural strength is decreases as the fiber content is increases. The maximum flexural strength of concrete at 3.5% of fiber is 4.032N/mm2at the age of 28 days. The results are shown in fig.5.PDF Image | Behaviour of HDPE Fiber Reinforced Concrete
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