Pore pressure and thermo-hydro-mechanical behavior of concrete submitted to high temperatures: structural experiments and material properties

摘要

This paper presents the main results of an experiment program aiming at studying the behavior of concrete when submitted to slow heating rates (0. 1°C/min). The maximum temperature reached is 200°C. The measuring devices were focused on pore pressure, relative humidity, temperature and strains. The experiment, conducted on a large scale mock-up, is presented together with the analysis of the results which show the importance of cracking on mass transfer in heated concrete.