On the fire behavior of SFRC and SFRC structures in tension and bending

Title: On the fire behavior of SFRC and SFRC structures in tension and bending
Author(s): M. di Prisco, R. Felicetti, P. G. Gambarova, C. Failla
Paper category : conference
Book title: International Workshop High Performance Fiber Reinforced Cement Composites
Editor(s): A. E. Naaman and H. W. Reinhardt
Print-ISBN: 2-912143-38-1
e-ISBN: 2912143799
Publisher: RILEM Publications SARL
Publication year: 2003
Pages: 205 - 220
Total Pages: 16
Nb references: 15
Language: English

Abstract: Steel fibers are being increasingly used in R/C members, as a viable alternative to the traditional welded-steel mesh, whenever a diffused reinforcement is needed to resist secondary internal forces, like the transverse bending in prefabricated thin-webbed roof elements. In this case, since the various plates are quite sensitive to fire, modeling the structural behavior requires the knowledge of SFRC mechanical properties, at high temperature and after cooling, in compression and in tension. However, scanty information is available on SFRC behavior in tension, to the detriment of a full understanding of the structural behavior in bending, under extreme thermal conditions. In the present project the thermal and mechanical behavior of plain-concrete slabs and SFRC slabs submitted to a standard fire was studied for different load levels. Furthermore, two different mechanical models were used to describe the favorable effects that fibers have on the structural behavior during and past a fire. By combining material testing, structural testing and modeling, the authors' aim is to contribute a better understanding of several topics concerning the use of SFRC in slabs and thin-webbed members

Online publication: 2003-04-28
Publication type : abstract_only
Public price (Euros): 0.00