Experimental study of reinforced geopolymeric paper blocks with different ways of placing fiber reinforcement

Abstract: This experimental study investigated various characteristics of “geopolymeric paper blocks” with and without fiber reinforcement. Four tests were performed in order to identify this material’s feasibility to use in construction works. The five tests performed were – compressive strength test along with the plotting of stress verses strain curve , tensile strength test for ropes , bond test between ropes and blocks , tensometer test along with plotting of load verses deflection curve and flexural test.The results of these tests along with the conclusions are articulated in this paper with the description of all the test. For casting of all the blocks two types of proportions were used as ‘fly ash: paper: foundry sand’ – 1:2:0.75 and 1:1.5:1. In case of compression test, proportion 1:1.5:1 gave highest strength i.e., 2.2 Mpa as amount of foundry sand in it was comparatively higher. In tensile test of ropes, sisal fiber strands were tested which gave strength of 1.2KN with gradual failure pattern. In case of bond test of sisal strands with blocks, breaking point was observed at a point along that length of strand which is not inserted inside the blocks leading to a conclusion that the length of strand inserted in the block is still intact and possess good bonding with the material. In case of flexural test, blocks with fiber reinforcement that has been prestressed while casting gives highest result i.e., 2.325 Mpa. In tensometer test, the material was observed getting stretched to a large extent, evident from the graph, hence could be said to possess some “elasticity”.

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[Saurabh Y. Chandarana, Jayesh S. Charthal, Hema K Munot, Sagar Matre (2014); Experimental study of reinforced geopolymeric paper blocks with different ways of placing fiber reinforcement Int. J. of Adv. Res. 2 (10). 0] (ISSN 2320-5407). www.journalijar.com

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