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Effect of Heavy metal and Magnesium Sulfate on Properties of Blended Cement Mortar

Author Affiliations

  • 1 Department of Civil Engineering, Kallam Haranadha Reddy Institute of Technology, Guntur -522019, (A.P.), INDIA
  • 2 Dept. of Civil Engineering, S V U College of Engineering, S V University, Tirupati -517502, (A.P.), INDIA
  • 3 Dept of Civil Engineering, J N T U A College of Engineering, J N T U A, Anantapur - 515 002, (A.P.), INDIA

Res.J.chem.sci., Volume 1, Issue (7), Pages 27-32, October,18 (2011)


The effect of cadmium (Cd) present in mixing water on compressive strength, setting times, soundness and magnesium sulfate attack of high strength cement mortar was experimentally evaluated. Cement mortar specimens were cast using deionised water and cadmium (Cd) spiked deionized water for reference and test specimens as mixing waters respectively. On comparison with reference specimens, at higher concentrations of cadmium in mixing water, test samples had shown considerable loss of strength and also their setting times had significantly increased. However, at 2000 mg/L concentration of cadmium (Cd), the compressive strength marginally increased. Apart from that when reference specimens and test specimens were immersed in various concentrations of magnesium sulfate solution at different immersed ages, the loss in compressive strength was found to have been a slightly less in test specimens than that in reference specimens. XRD technique was employed to find out main compounds.


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