= 20 KN/m3 = 32 ° c´ = 20 KN/m2 ru = 0.4 b= 2 Rebanada b (m) h (m) (°) l(m) W (KN) Wsen(a) Wcos(a) 1 2 1.3 -14 2.06 52 -12.6 50.5 2 2 2.5 -4 2.00 100 -7.0 99.8 3 2 3.6 8 2.02 144 20.0 142.6 4 2 4.6 18 2.10 184 56.9 175.0 5 2 4.4 36 2.47 176 103.5 142.4 6 2 2.2 58 3.77 88 74.6 46.6 ∑ 14.43 ∑ 235.4 FS = 2.039 ∅ α Σ − α Σ φ + = Wsen ) ul cos W ´. !"n # ´. c $% "
