Abstract:
A computer controlled temperature matched curing system to simulate curing of concrete in structures is presented. The system has capability to accurately control ambient temperature against hydration temperature generated by a fully insulated concrete specimens. Also it is capable of simulating any cooling rate which might occur on site and which depends on thickness of concrete element, type of formwork, ambient temperature, humidity and wind velocity Data of concrete of different compositions used at 20 C and 5 C and 35 C are compared with data of concrete cured using semiadiabatic conditions and effect of simulating cooling-time curve is discussed on light of results of strength porosity and permeabitlity. The influence of fly ash on properties of concrete cured at the different environments is also highlighted.
