Study on influence of temperature in Pavement Quality Concrete for single and composite sections with admixed concrete of M-40 Grade

DOI: https://doie.org/10.0912/Jbse.2024831152

Sagar Y Kamble , H S Jagadeesh , Raghavendra C R

Keywords:

Pavement quality of concrete, Cumulative Fatigue Damage Analysis, Composite sections, Concrete.

Abstract:

In the present study is concentrated on the two-pavement quality of concrete. The single layer of concrete mix and two dissimilar layers of composite sections were considered for the study. The concrete mix is designed on M40 grade as per IRC:44-2017. Admixtures viz., steel fibre, glass fibre, marble powder, dolomite powder, and ground granulated blast furnace (GGBS) are used in the mixture. Normal cement concrete is reinforced with alkali resistant glass fibres with an optimum dosage of 0.5 % vol. of concrete. Normal cement concrete is reinforced with hooked end steel fibres with an optimum dosage of 1.5 % to the vol. of concrete and 10% marble powder and dolomite powder each. The 40% GGBS is used to replace cement partially in the GGBS admixed concrete. The temperature is recorded for every one hour over a period of seven days during hot conditions of the season. It is observed that the temperature is more at the top of the slab during daytime when compared to the bottom of concrete slab, this is attributed by the exposure of the top surface to sun light adequately. On the other hand, the temperature is more at the bottom of the slab during night time. Rigid pavement is evaluated for the Cumulative Fatigue Damage Analysis (CFD) as per IRC:58-2015. The experimental results suggest that, the maximum temperature differential value for single and composite concrete slab sections is less than pavement quality of concrete. Composite sections are referred for future traffic over the Normal concrete pavement sections.

PDF