Steel Advisor

Durability of Composite Decks Exposed to Surface Water

Composite metal decking systems can be designed to satisfy durability requirements for a 50 year design life by ensuring that flexural crack widths, concrete strength and covers stay within the limits set in the Concrete Structures Standard NZS3101.

1 December 2020

Composite metal decking systems can be designed to satisfy durability requirements for a 50 year design life by ensuring that flexural crack widths, concrete strength and covers stay within the limits set in the Concrete Structures Standard NZS3101. This article illustrates the use of these code provisions by the way of two examples for the control of cracking due to direct flexure at internal slab supports.

CMP1003.pdf

Kevin Cowie; Clark Hyland