Location & Wind
EN 1991-1-4 terrain cat. III
wind zone
38
m/s · 10-min · 50yr
metres
Panel Geometry
GRC / GFRC section
metres
metres
mm · GRCA min 13 mm
mm · GRCA min 25 mm
Stiffening Ribs
directional — H and V separate
count (between edges)
mm excl. skin
count (between edges)
mm excl. skin
edge reinforcement
mm excl. skin
Fixings & Accessories
supplier ETA values
per panel
accessory type
mm
Advanced Options
α = 12 × 10⁻⁶ /°C
Iran proximity
bending stiffness method
Fixed
ρ = 2000 kg/m³  ·  MOR = 8 MPa  ·  γ_m = 2.0  ·  E = 10 GPa  ·  γ_G = 1.35  ·  γ_Q = 1.5  ·  c_p = 1.0  ·  L/250  ·  ρ_air = 1.20 kg/m³
Awaiting Input
Edit any field above for live results, or hit Check Compliance.
Panel Weight
kg
Weight / m²
kg/m²
Moment of Inertia I
× 10⁶ mm⁴
Critical Span
metres
Skin
kg
H-Ribs
kg
V-Ribs
kg
Perimeter
kg
Calculation Assumptions
v_b
c_e(z)
q_p
f_Rd
GRCA Geometry
Structural
GRCA Specification (2006 rev.) · GRCA Designers Guide · BS EN 1169:1999 · EN 1990:2002+A1 · EN 1991-1-4:2005 · UAE DBC 2023 · Abu Dhabi UBBL 2022
Composite T-section analysis with parallel-axis theorem. Full design requires site-specific wind study, FEA for complex geometry, and sign-off by a licensed structural engineer.
Developed by
Kareem Elzeki
GRC · GFRC Specialist
Tool version
v2.0 — 2026
UAE Standards Compliant