STEEL TUBES FOR REINFORC CONCRETE.

Pukekohe & Waiuku Times, Volume 9, Issue 589, 3 December 1920, Page 1 (Supplement)

STEEL TUBES FOR REINFORC CONCRETE.

The increasing use of reinfon concrete for buildings of every < scription makes the question of behaviour of such structures in c of fire exceedingly Ow to the tendency of the steel si ports to become overheated there a risk of the structure collaps when exposed to fire. In order to viate this danger a British engin suggests that steel tubes might used in place of steel rods and rangements made to circulate wa automatically through the tubes case of fire. He considers that cost of such an arrangement wo not be excessive and that it wo serve to save the structure from ( lapse. I