Fire Research

Fire Performance of High-Strength Concrete Structural Members

The increased use of high-strength concrete in buildings and structures has led to concerns about its fire performance, especially the problem of spalling. This Update presents research results comparing the fire resistance of highstrength and normal-strength concrete columns and offers guidelines for improving the fire resistance of high-strength concrete structural members. Full story

Sound Isolation and Fire Resistance of Assemblies with Fire Stops

This Update examines various fire-stopping techniques that meet the intent of the National Building Code of Canada (NBC) with respect to fire resistance and that do not adversely affect the sound isolation of the wall assembly. The information is derived from the results of an industry-sponsored consortium project led by the National Research Council’s Institute for Research in Construction (IRC).1 Full story

Fire Protection of Windows Using Sprinklers

Building owners and designers have been limited in the extent to which they can use glazing in fire-rated separations. This Update presents the results of IRC research on the use of dedicated sprinkler systems to protect glazing in fires and provides guidelines that will ensure effective protection in different situations. Full story

Fire Resistance of Concrete-Filled Steel Columns

Filling a hollow steel column with concrete increases the column’s load-bearing capacity as well as its fire resistance. Concrete reinforced with steel fibres or bars both offer advantages over plain-concrete filling. This article discusses the fireprotection advantages and other benefits achieved with the various types of concrete filling, with emphasis on steel-fibre technology. Full story