Hoja1DISEO DE ESCALERASDisear por flexion el momento positivo de diseo.ancho=1.60 mp=0.30s/c =600 kg/m2n d pasos=7f'c =280 kg/cm2concreto =2.4t/m3fy =4200 kg/cm2

0.17

0.18 cm

0.17 cm

0.70

0.251.607 pasos @ 0.300.40t=LnLn;3.70=0.148=3.70=0.185usar =0.17 cm25202520cos ()=30300.8575324+90034.9857113691=arctg(CP/P)=0.54hm =17+18=28.41 cmcos ()2METRADO DE CARGAS

P.P. = 0.28x1.60x2.4x1.4=1.5274390908t/macabado=0.10x1.60x2.4x1.4=0.5376t/ms/c =0.6x1.60x1.7=1.632t/mWu2=3.4t/mP.P =0.17 x1.60x2.4x1.40.91392t/mWu2=2.76t/m

4.025x RB=22.3568625+4.232RB =6.6059285714tn3.402.76

1.7252.30RAXRBVx =RB-Wu2 Xo =0Xo =1.94 m2Mu max =6.6059285714x1.94-3.4x1.94=6.4173959251t-m2Mu dis =Mu max = 5.13t-m 1/2: d =14.02cma=2cmAs =513391.67400960410.44cm249196.7a=43.82905826691.53cm28.56

Muro portante de albaileria

Hoja2

Hoja3