THE BEHAVIOR OF CONCRETE EXPOSED TO FIRE: ANALYTICAL AND EXPERIMENTAL INVESTIGATION

للكاتبين

R.M. ABD El-NABY , O. RAMADAN ,A. A. Aleem

Shoubra Faculty of Engineering, Benha University.

ABSTRACT

The prediction and/or evaluation of the fire influence on the behavior of concrete is still

implemented based on either microscopic or macroscopic techniques. Definitely none of them as

an individual technique can provide the actual behavior or performance of the concrete. It is

believed that such complicated problem needs a comprehensive technique such as the

combination between the digital image processing and the finite element analysis. Certainly,

relating the microstructure characteristics to the mechanical properties is considered the most

reliable approach to predict the behavior of the concrete which is exposed to fire. This paper

reports the analytical and experimental results of the ultimate load carrying capacity of concrete

specimens exposed to fire at 700ºC for one hour in a closed furnace. The specimens are then

cooled by using three different cooling schemes.

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