Effect of Calcined Kaolin on the Mechanical Properties of High-Strength Concrete as Cement Replacing Material Academic Article uri icon

abstract

  • Locally available kaolin has been calcined and used as cement replacing material (CRM) in High-strength concrete (HSC). Total five (05) mixes of concrete have been examined using calcined kaolin (CK) of 0, 5, 10, 15 and 20% by weight of cement. For each mix, compressive strength, splitting tensile strength and flexural strength have been determined by preparing three specimens. The effect ofCKon the mechanical properties of HSC has been investigated at age of 7, 28, 56 and 90 days. Multiple linear regressions through least square error have been used to develop the expression and to predict the compressive, splitting tensile strengths and flexural strength ofHSC. It has been found thatCKasCRMincreases the strength significantly. The models may predict the strengths closely match the measurements and optimum replacement of cement byCK.

publication date

  • 2014

number of pages

  • 5

start page

  • 375

end page

  • 380

volume

  • 567