∂²p/∂t² = c² ∇²p
Z = ρc ≈ 1.204 · 343 = 413 Pa·s/m
f(n) = n·c / 2L
p(x,t) = 2A sin(kx) cos(ωt)
φRn = φ·Fnv·Ab
= 0.75·54 ksi·0.442 in² = 17.9 k
φRnw = 0.75·0.6·FEXX·0.707w·L
M = wL²/8
w (k/ft)
Mmax
0 · 10 · 20 · 30 · 40 · 50 · 62 mi
v(t) = v₀·e^(−t/τ)
lim W/t = ∞
t→0
∫ t dt ≫ ∫ W dW
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