Fahmy, W., Heneidy, E., Ali, E., Agwa, I. (2011). MECHANICAL PROPERTIES OF CONCRETE CONTAINING RECYCLED CONCRETE AGGREGATES SUBJECTED TO DIFFERENT FIRE DURATIONS. JES. Journal of Engineering Sciences, 39(No 5), 1005-1019. doi: 10.21608/jesaun.2011.129380
Walid Safwat Fahmy; Erfan Abdel-Latif Heneidy; Esraa Emam Ali; Ibrahim Saad Mohammed Agwa. "MECHANICAL PROPERTIES OF CONCRETE CONTAINING RECYCLED CONCRETE AGGREGATES SUBJECTED TO DIFFERENT FIRE DURATIONS". JES. Journal of Engineering Sciences, 39, No 5, 2011, 1005-1019. doi: 10.21608/jesaun.2011.129380
Fahmy, W., Heneidy, E., Ali, E., Agwa, I. (2011). 'MECHANICAL PROPERTIES OF CONCRETE CONTAINING RECYCLED CONCRETE AGGREGATES SUBJECTED TO DIFFERENT FIRE DURATIONS', JES. Journal of Engineering Sciences, 39(No 5), pp. 1005-1019. doi: 10.21608/jesaun.2011.129380
Fahmy, W., Heneidy, E., Ali, E., Agwa, I. MECHANICAL PROPERTIES OF CONCRETE CONTAINING RECYCLED CONCRETE AGGREGATES SUBJECTED TO DIFFERENT FIRE DURATIONS. JES. Journal of Engineering Sciences, 2011; 39(No 5): 1005-1019. doi: 10.21608/jesaun.2011.129380
MECHANICAL PROPERTIES OF CONCRETE CONTAINING RECYCLED CONCRETE AGGREGATES SUBJECTED TO DIFFERENT FIRE DURATIONS
The amount of construction and demolition waste has increased considerably over the last few years. Crushing concrete to produce coarse aggregate for the production of new concrete is one common means for achieving a more environment-friendly concrete. This experimental study demonstrates the mechanical properties of concrete containing recycled concrete aggregate (RCA) subjected to different fire durations. In the experimental work, the fresh concrete properties (slump < br />test) and the hardened concrete properties, (compressive strength, splitting tensile strength, flexural strength and modulus of elasticity) were carried out. A total of thirty concrete mixes with different cement contents (300, 350, and 400 Kg/m3) at w/c ratio (0.5) were made and the percentage of substitution of natural concrete coarse aggregate by the recycled concrete coarse aggregate subjected to fire durations (1,2 and 3 hours) at fire temperature (600ºC) was (0%, 25%, 50% and 100%). In the process of mixing, equal consistence among all concrete mixes was achieved. The obtained results indicate that the recycled coarse aggregate subjected to fire can successfully be used for making structural concrete.