| Popis: |
Dumping of organic waste products without knowing their ideals of other side causes major and various serious environmental degradation problems. In this forum, this paper is mainly focuses on reviewing various eggshell material related research articles published in past years from 2010-2019 in several reputed journals. Various cement concrete material investigations which are partially proportioned with chicken egg shell powder are taken into consideration probably in line with durability study aspects like corrosion resistance. And their outcomes are listed in a way of positive stroke. Chicken egg shell are one of the wastes typically dumped in the ground produces the greenhouse gas emission, ground water contamination etc. Though chicken egg shell powder by raw consists of 94-95% of calcium carbonate (CaCo3) and on incineration turns to calcium oxide (CaO). The use of egg shell in replacement of cement in concrete can have benefits like minimizing use of cement instead of using natural lime. Usually soon after the construction process, the reinforcements got rusted (its volume bulges) and it leads to cracks in the wall and reduces the life of the concrete structure. The one of the reasons cracks produce due to the corrosion of steel in the concrete. That leads to the reducing in strength of the reinforcement bars and cracks formed in the concrete. With respect to the reviews made utilization of egg shell powder in concrete by replacement of cement to a limit which reacts as an economical corrosion resistive product. |
