Effect of Wind Speed and Air Temperature on the Durability of PCC Surfaces

Durability of Portland Cement concrete (PCC) surfaces is affected by several factors that should be considered in the design and construction of concrete surfaces. Proper curing of fresh concrete surfaces plays a major role in increasing the abrasion resistance and in turns the durability of hardened concrete surface. Factors such as ambient temperature, humidity, and wind speed will also affect the degree of evaporation of surface moisture, which directly affect the curing condition. In this research, the effects of wind speed and ambient temperature on abrasion resistance of Portland Cement concrete surfaces were analyzed based on ASTM C944. Based on the obtained results, the durability of fresh PCC surfaces is significantly affected by wind speed in excess of 60 kph during the setting-time of concrete. Also abrasion resistance is significantly affected by ambient air temperature in excess of 35 °C. In addition, the effect of ambient temperature and wind speed on the durability of PCC is inversely proportional within concrete surface.

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