Table 4:
Comparison between the flange geometry and stiffness of the experimental and commercial joists [
22
].
Joist Depth (mm)
Property
Experimental
Commercial [
22
]
Ratio x 100
241
Flange Area (mm
2
)
2550
2419
105.4%
Stiffness (kN/mm)
0.3486
0.4504
77.4%
305
Flange Area (mm
2
)
3065
2419
126.7%
Stiffness (kN/mm)
0.3370
0.3205
105.1%