(Certified by – Prof. Dr. P.K.ARAVINDAN, (Former Prof. in Struct. Engg. IIT Madras), Principal Consultant, SREE CONSULTANTS, Chennai – 600 042)
We have tested our own design of aluminium frame of vertical and horizontal mullion for the framework for Structural Glazing.
Design Calculation taken from the weight of aluminium = 27 kN/m3
& the weight of glass = 25 kN/m3
Wind pressure coefficients: (IS:875 part 3)
Wind speed = 50m/Sec.
Design wind pressure = 1.654 kN/m2
From IS:875 Part(3), Cpe-Cpi=1.1
Design Pressure = 1.82 kN/m2
Section properties are checked and the results are
- Bending Stress in Mullion = δ =m = 33.95 <86 N/mm2 = Result – Safe
- Check for axial load = 2.14 N/mm2<85 N/mm2 = Result – Safe.
- Checking for combined axial load and bending = 0.56<1 = Result – Safe.
- Check for deflection = Permissible deflection=7.20mm – Safe.