Analysis of eggshell powder as a partial replacing material in concrete
Journal Title: International Journal of Modern Research In Engineering & Management. - Year 2019, Vol 2, Issue 9
Abstract
In this research, eggshell powder (ESP) was used as a partial substitute for cement in concrete to decrease the usage of cement in concrete production. The main objective of the study was to determine the workability and reinforcing properties including compression, tensile and flexural strength of concrete using various percentages (0, 2.5, 5, 7.5 & 10) of ESP by weight instead of cement. A total of 120 concrete samples were cast (60 cubic meters, 30 cylinders and 30 prisms) with a target strength of 28 N/mm2 . The compressive strength of a cube sample (100 × 100 × 100 mm) was tested after 3, 7, and 28 days, while tensile strength were also measured for 3 days, 7 days and 28 days using a cylindrical specimen (200 × 100 mm). The bending strength of the specimen (100 x 100 x 500 mm), cast during 3, 7, and 28 days of curing. The test results showed that during the. With ESP 7.5%, tensile strength increased by 9.6%, and a maximum strength of 8% was obtained using ESP 7.5% during 28-day cure. As the percentage of ESP increases, the workability of fresh concrete decreases. ESP is used in concrete to enhance the power of a concert.
Authors and Affiliations
Nisar Ahmed Gabol
Keywords
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