Mix-composition of PolyCrete and Suitability of Under-frame Bonded for Structural Supports
Keywords:
PolyCrete, Crushing Strength, Aerated ConcreteAbstract
This paper aims to report the design of a mix-composition of PolyCrete, having its crushing strength >2.5MPa and density > 650kg/m3, to meet the criteria for acceptance as a walling material. In addition, it aims at reporting the walling under-frame bonded to cement boards, after curing for 28 days. On this account, 3-trial mixes for specimens measuring 100x100x100mm are prepared for laboratory evaluation of crushing strength, and grouped as it were, into mix-A1 to mix-A3 and tagged, with mix-A0 serving as a control. Each trial composition containing at least 250kg of CEM 11/B-L 42.5 R is designed to mix with siliceous filler powders. Water to cement ratio (w/c) is to be kept at 0.5 while foam volume is assumed constant at 25% more than slurry volume. Hence, the compressive strength of the design mix of PolyCrete at 2.5 Mpa, on average, recorded for the test specimen proves the mix design is acceptable.
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