Abstract
The present investigation is focused to introduce broiler hen egg as Natural Admixture (NAD) in concrete and study the effect of NAD on conventional concrete (CC) and class F fly ash (FA) blended concrete. Cement is replaced by FA at various levels (0%–55%) to its weight. Chemical composition of broiler hen egg ingredients was determined by energy dispersive X-ray analysis (EDAX) after lyophilization. Broiler egg was added to concrete at various replacement dosages (0%–0.75%) in water by maintaining the constant liquid to binder ratio at 0.5. The compressive strength and spitting tensile strength of concrete was determined to optimize NAD dosage in FA blended concrete to get the desired strength of M 25 grade of CC. Studies revealed that 0.25% NAD dosage has very much significant effect on compressive strength and splitting tensile strength of all concrete mixes at all curing periods. Based on experimental results a new expression was developed and compared with CEB-FIP and ACI 363R predicted models for STS. The measured MOE was compared with ACI 363R, AASHTO LRFD/ACI318 predicted models. The C-65_FA-35 with 0.25% NAD dosage is concluded as optimum mix. As per cost analysis, C-45_FA-55 with 0.25% NAD was concluded as economical mix and can be recommended to use broiler hen egg as natural admixture.
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