@Article{, title={Mechanical Properties of High Performance Concrete Re-tempered in}, author={Prof. Dr. Shakir Ahmed Salih}, journal={Iraqi journal of mechanical and material engineering المجلة العراقية للهندسة الميكانيكية وهندسة المواد}, volume={D}, number={first conf./ eng. coll.}, pages={576-589}, year={2009}, abstract={This paper studying some of the Mechanical properties of High Performance Concrete re-tempered by using G51 after 90 minute waiting at 3 different ambienttemperature (23, 40, 57)starting from lab temperature to high temperature duringcasting which may simulate summer degree in Iraq. The comparative made with reference concrete in the same environment. HPC produced by adding High Reactivity Metakaolin after burning. Compressive strength, Ultrasonic Pulse Velocity, Splittingtensile and Flexural test was made for both reference and HPC mixes.

} }