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Advances in Concrete Construction
  Volume 10, Number 4, October 2020, pages 311-317

Performance of one-part alkali activated recycled ceramic tile/fine soil binders
Arass Omer Mawlod

    Performance of Sustainable materials continues through using of recycled waste construction materials to minimize the utilization of the natural resources. The cement industry is a major source of CO2 in the atmosphere which is the main cause of global warming. Replacement of OPC with other sustainable cementitious materials has been the most interesting area of researches. This investigation focuses on the properties of alkali-activated mortar with the different replacement ratios of ceramic tile powder (CTP) by fine soil powder (FSP) (0 to 100)% and different molarities of sodium hydroxide concentrations. The experimental program was conducted by examining the compressive strength, water absorption, and water sorptivity. The results showed that the compressive strength of the specimens at age of (28, 56, and 90 days) increases with an increase in the amount of fine soil powder content and decreases at the age of 120 days. Also, minimum water absorption at the age of 90 days was found in the mixes containing 100% fine soil powder. However, fine soil powder replacement had a negative effect on the sorptivity and water absorption values at the age of 120 days. On the other hand, the 12M sodium hydroxide concentration was considered the optimum concentration compared to other concentrations.
Key Words
    sustainable alkali-activated mortar; recycled ceramic tile powder; fine soil; mechanical; sorptivity properties
Arass Omer Mawlod: Department of Civil Engineering, University of Raparin, Kurdistan region, Iraq

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