Hoja1ANALISIS Y DISEO DE LOSAS ALIGERADASTIPO DE ALIGERADO :TIPO 1e losah lad.h0.10 m0.30 mbw l. lad.bwl. lad.Determinacin del Espesor de la Losaluz =4.25_h =0.17Se toma =0.20 mesp. Losa =0.05 mh ladrillo =0.15 mDeterminacin de la Carga UltimaPeso propio de la losaP. Losa =120.0Peso muerto100.0P. Vigueta =90.00000000000001P.P. =300.0Carga de tabiquera equivalente200.0P. Ladrillo =90.0Sobrecarga200.0Wcm =840.0Wcv =340.0Wcu =1180.0Vigas =0.250.35Columnas =0.250.302.983.74.25Verificaremos si es que es aplicable los coeficientes del ACI:1. Nmero de tramos =3OK2. Diferencia de longitud =Tramo 1 - Tramo 2 =0.24No es aplicableNo es aplicable los coeficientesTramo 2 - Tramo 3 =0.15OK3. Relacin Carga Viva / Carga Muerta =0.33OKANALISISI. Carga Ultima1.182.8553.74.1251.0000.5640.4360.5270.4731.000-0.8020.802-1.3461.346-1.6731.6730.1540.3070.2370.1190.6480.3240.0550.1100.0990.049-0.214-0.165-1.7220.0001.219-1.2191.575-1.5750.0001.21902302505419251.57465950599041540.59276467497290390.6224337344776961.7224749345047923II. Combinacin de Carga N 011.181.180.842.8553.74.1251.0000.5640.4360.5270.4731.000-0.8020.802-0.9580.958-1.6731.6730.0440.0880.0680.0340.7570.3790.1790.3590.3220.161-0.315-0.243-1.8340.0000.954-0.9541.351-1.3510.0000.95364450957607551.35131013786017640.72545393271196230.28497267628187431.8341496185699118III. Combinacin de Carga N 021.180.840.842.8553.74.1251.0000.5640.4360.5270.4731.000-0.5710.571-1.3461.346-1.1911.1910.2190.4380.3380.1690.3520.176-0.085-0.171-0.153-0.077-0.051-0.039-1.1140.0001.133-1.1331.344-1.3440.0001.13 Tn-m/m1.34 Tn-m/m0.28927881597046610.78054947934943591.11449391337897IV. Combinacin de Carga N 031.180.842.8553.74.1251.0000.5640.4360.5270.4731.000-0.8020.802-1.3461.346-1.1911.1910.1540.3070.2370.1190.6480.324-0.072-0.144-0.129-0.065-0.142-0.110-1.1260.0001.291-1.2911.321-1.3210.0001.29 Tn-m/m1.32 Tn-m/m0.56 Tn-m/m0.71 Tn-m/m1.13 Tn-m/mV. Combinacin de Carga N 041.180.842.8553.74.1251.0000.5640.4360.5270.4731.000-0.5710.571-0.9580.958-1.6731.6730.1090.2190.1690.0840.4610.2310.1660.3320.2980.149-0.224-0.173-1.8220.0000.796-0.7961.375-1.3750.0000.80 Tn-m/m1.38 Tn-m/m0.46 Tn-m/m0.35 Tn-m/m1.82 Tn-m/mEnvolvente:1.2907502808956471.57465950599041540.40075872916666670.83660156250.73 Tn-m/m0.78 Tn-m/m1.83 Tn-m/mDISEO DEL REFUERZO DE LA LOSAA. Para Momentos Positivos:Mu =1.8341496185699118f'c =210.0bfy =4200.0b =100.0rec. =2.0h =20.05.0 =1/2A =1.29_d =17.37 cm15.0Posicin del eje neutro:asumir que:c = hf =5.0a =4.25As =3.18 cm2/m11/2A cada vigueta le corresponde (As/2.5) =1.27 cm2As =1.29Area de acero en un metro de aligerado:As =3.225a =0.76 cmc =0.89 cmc = 0.89 cm