Mix-Design of Non-autoclaved StoneCrete on Ash-Cement Composition
Keywords:
StoneCrete, Crushing Strength of StoneCrete, Aerated-foam concreteAbstract
This paper intends, on the one hand, to report the design of the mix-composition of StoneCrete, having its crushing strength >2.5MPa and density > 650kg/m3, to meet the criteria for acceptance as a walling material. On the other hand, to report the walling under-frame bonded to StoneCrete 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 the control. Each trial composition containing at least 250kg of CEM 11/B-L 42.5 R is designed to mix with siliceous filler powders and reinforcing, where necessary. The Water-to-cement ratio (w/c) is to be kept at 0.5, while 1.25kg plasticiser powder is added to all mixes as needed to avoid separation and foam volume is assumed constant.
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