Exploration of Ultra-Lightweight Aggregate Concrete with Minimal Nano-Si Clay

Abstract

Cold-formed steel channel sections have been widely applied in
structural buildings. This type of section is then added stiffeners
in the web to form the new section called SupaCee. The
capacities of these sections have been investigated due to shear
actions paralleling their webs. Shear forces are assumed to be
resisted by the web, but the presence of the flanges and lips also
have specific impacts on the shear capacities of these sections.
This paper, therefore, investigates the effects of the flange widths
and lip lengths on the shear capacities of the channel and
SupaCee sections. Also, the shear capacities of SupaCee sections
are studied to illustrate their strength improvements compared to
those of channel sections. Shear capacities of the investigated
sections are determined according to AS/NZS 4600:2018. The
study demonstrated the innovation of SupaCee sections in shear
strength improvements in comparison with those of channel
sections.