Effect of Partial CRM with Marble Powder, Silica Fume and Ground Granulated Blast Furnace Slag On Concrete

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Faisal Shabbir
Afaq Ahmad
Usman Arshid
Fiaz Tahir
Akhtar Ali Malik


Marble powder (MP), Silica fume (SF) and Ground Granulated Blast-furnace Slag (GGBS) are environmental hazards. In this study MP, GGBS and SF are used as cement replacement material (CRM) in concrete and their compressive strength are compared. An attempt is made to study the role of these waste materials, with minimum value addition. Consistency of cement as well as cement plus waste materials was calculated to determine their water demand. Cement concrete cylinders and cubes with 5%, 7.5% and 10% waste materials (the three types of waste materials were replaced individually) as CRM and also concrete cubes and cylinders with 10%, 20%, 30% and 40% waste materials (the three types of waste materials were used as a combination) as CRM were cast and then their compressive strengths, split cylinder tensile strength and permeability were determined. Le-Chatlier's apparatus was used to determine the soundness of cement as well as the mixture of cement and waste material. Test results revealed that while partially replacing the waste materials, both compressive strength and the split cylinder tensile strength reduce as compared to control mix. GGBS was the best among the three as it showed comparatively better compressive and tensile strength whereas marblepowder gave minimum strength. By replacing 10% GGBS in cement concrete the compressive strengthreduced up to 36% and with 10% marble powder it dropped by 50.6%. X-Ray diffraction analysis was done to assess their reactivity. Chemical composition of the three waste materials and of cement was determined by Energy Dispersive X-ray Spectroscopy (EDS). Hence, application of these waste materials with minimum value addition only in lean concrete can be considered. By using these waste materials as CRM will make the environment friendly.

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Shabbir, F., Ahmad, A., Arshid, U., Tahir, F., & Malik, A. (2020). Effect of Partial CRM with Marble Powder, Silica Fume and Ground Granulated Blast Furnace Slag On Concrete. Technical Journal, 25(03), 11-18. Retrieved from https://tj.uettaxila.edu.pk/index.php/technical-journal/article/view/1184