Analysis on Strength and Fly Ash Effect of Roller Compacted Concrete Pavement using M-Sand

S. Krishna Rao*, P. Sravana**, T. Chandrasekhara Rao***
* Research Scholar, JNTUH, Hyderabad, Telangana, India.
** Professor, JNTUH, Hyderabad, Telangana, India.
*** Professor, DMSSVH College of Engineering, Machilipatnam, India.


In the manufacture of Roller Compacted Concrete Pavement (RCCP) materials, various types of aggregates are used, namely crushed stone as coarse aggregate and river sand as fine aggregate. The main purpose of adding aggregate in RCCP is to achieve higher flexural strength. In the present experimental work, use of manufactured sand(M-Sand) with river sand as partial replacement (50%) was investigated along with the Pozzolanic effect of fly ash on RCC. Six levels of partial replacement of cement with fly ash were considered such as 10%, 20%, 30%, 40%, 50% and 60%. 50% of river sand was replaced with M-Sand. The various strength indices like specific strength (SPRCC ), specific strength of Pozzolanic effect (SPFA ), specific strength ratio (R), contribution percentage of Pozzolanic effect to strength (P) and index of specific strength were examined. Finally the results indicate that

  • The strength of RCCP at early ages with fly ash and M-Sand (50%) was poor.
  • At 90 days of curing, the contribution of fly ash effect to strength of RCCP reaches upto 68%.


Keywords: RCCP, Specific Strength, Pozzolanic Effect, Specific Strength Ratio, M-Sand.

How to Cite this Article?

Rao, S.K., Sravana, P., and Rao, T.C. (2015). Analysis on Strength and Fly Ash Effect of Roller Compacted Concrete Pavement using M-Sand. i-manager’s Journal on Structural Engineering. 4(1), 1-8.


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