🏗 Unitised Structural Glazing Calculator
IS:8147 | STAAD.Pro Calibrated | Aluminium 6063-T6 | All values update dynamically
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📋 Inputs
📐 Mullion
📐 Transoms
⚡ Stress
📉 Deflection
📊 Summary
⚙️ Design Parameters & Loading
Wind Load Ww (kg/m²)
→ kN/m²
Dead Load WD (kg/m²)
Glass+Misc
Max Left Panel Width S₁ (m)
Max Right Panel Width S₂ (m)
📏 Spans & Geometry (STAAD Model)
STAAD Mullion Model
7 (free)
←L₃=0.125m
6 ⊙
L₂
4.200m
5 stack
4 ⊙
L₂
4.200m
3 stack
2 ⊙
L₁
4.175m
1 ▲
→ W.L
↓ D.L
Span L₁ — Bottom (m)
Span L₂ — Typical (m)
Span L₃ — Cantilever (m)
Stack Joint y (m)
Transom Span L (m)
Glass Bearing Dist. a (m)
Mid Transom Top Panel H (m)
Mid Transom Bot Panel H (m)
Cill Top Panel H (m)
Head Bot Panel H (m)
🔩 Combined Mullion Section (STAAD: AX=19.77 IZ=452.9 IY=155 YD=12.5 ZD=8.0 cm)
Ixx (cm⁴)
Iyy (cm⁴)
Depth D (cm)
Width b (cm)
Centroid cx (cm)
Centroid cy (cm)
Area A (cm²)
Web thickness t (cm)
Split Mullion Sections
Female Ixx (cm⁴)
Female Iyy (cm⁴)
Female A (cm²)
Female cy (cm)
Female Zx=Ixx/cy (cm³)
Female Zy (cm³)
Male Ixx (cm⁴)
Male Iyy (cm⁴)
Male A (cm²)
Male cy (cm)
Male Zx=Ixx/cy (cm³)
Male Zy (cm³)
🔩 Transom Section Properties
Mid Transom (Box)
Ixx (cm⁴)
Iyy (cm⁴)
cy (cm)
cx (cm)
A (cm²)
D (cm)
b (cm)
t web (cm)
Cill Transom
Ixx (cm⁴)
Iyy (cm⁴)
cy (cm)
cx (cm)
A (cm²)
D (cm)
b (cm)
t web (cm)
Head Transom
Ixx (cm⁴)
Iyy (cm⁴)
cy (cm)
cx (cm)
A (cm²)
D (cm)
b (cm)
t web (cm)
🔧 Material Properties — IS:8147 (6063-T6)
E (N/mm²)
Fty (N/mm²)
Fa axial perm. (N/mm²)
Fb bending perm. (N/mm²)
Fs shear perm. (N/mm²)
Fc comp. — Comb. Mull (N/mm²)
Fbc — Comb. Mull (N/mm²)
Fbt perm. (N/mm²)
Fc — Female Mull (N/mm²)
Fbc — Female Mull (N/mm²)
Fc — Male Mull (N/mm²)
Fbc — Male Mull (N/mm²)
Fc — Mid Transom (N/mm²)
Fbc — Mid Transom (N/mm²)
Fc — Cill Transom (N/mm²)
Fbc — Cill Transom (N/mm²)
Fc — Head Transom (N/mm²)
Fbc — Head Transom (N/mm²)
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