Effect of Time Period between Mixing and Application of Cement Mortar on Compressive Strength

Authors

  • Ahmed Redha Saleem Civil Engineering Department, College of Engineering, Al-Mustansiriyah University, Baghdad, Iraq Author

Keywords:

cement mortar, compressive strength, effect of time

Abstract

This paper investigates the effects of time period between mixing and application of cement mortar on compressive strength. Two groups with a total of (135) cubes were cast and tested at 28 days age. In first group (81) cubes were made with different water/cement ratios (0.5, 0.6 and 0.7) without adding any additional water to correct the flow of cement mortar while in the second group (54) cubes were made with water/cement ratios (0.6 and 0.7) with adding some water to correct the flow of cement mortar. Nine different time periods were applied (0, 30, 60, 90, 120, 150, 180, 210 and 240 minutes). It was found that compressive strength of cement mortar can be reduced to 50% of the compressive strength of corresponding original cement mortar after 150 minutes from mixing water with cement.

   

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Key Dates

Published

2013-03-01

How to Cite

Effect of Time Period between Mixing and Application of Cement Mortar on Compressive Strength. (2013). Journal of Engineering and Sustainable Development, 17(1), 28-40. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1010

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