CSA S6-25 Steel Arch Bridge Design

Example — 96 m through tied-arch highway bridge, twin braced ribs · Through tied arch · L = 96.0 m · f/L = 0.200 · 3 design lanes

All checks pass

Input validation

ALL INPUT CHECKS OK

OK
Rise-to-span ratio f/L
f/L = 0.200 within 0.10–0.40
OK
Panel count divides 48
48 / 16 = 3 stations per panel
OK
Deck level vs bridge type
Tied arch: tie at springing level (y_d = 0)
OK
Arch planes clear the roadway
Bp = 12.4 m ≥ Wc + 2a_c = 12.40 m
f/L = 0.200
λ = 6.000 m
stations per panel = 3
circular R = 69.60 m