escaleras

Diseo0.25m175kgf/cm20.17m4200kgf/cm24.45m400kgf/m21.20m100kgf/m20.18m0.22m0.20m0.8270.3269m1.318tonf/m0.168tonf/m0.816tonf/m2.30tonf/m

4.43tonf-m0.1736m0.9013.61kgf/cm20.003407.09cm2

0.18cmOk

4

100cm45cm3.75cm2CumpleRefuerzo negativo60cm3.5545cm2.363.55cm2

0.20cmOk

3

100cm45cm3.75cm2Usar refuerzo mnimoRefuerzo de temperatura

3.60cm2/m

0.20cmOk

3

100cm45cmVerificacin por cortante0.754.01tonf10.95tonfCumple

AceroSeparacin (cm)Nmero de varillaN de barraDimetroPeso (kgf/m)rea (cm2)Permetro(cm)34567891011pulgcm88.8815.8824.7535.6348.5063.3880.1399.00119.7533/80.950.5590.712.9997.8914.1122.0031.6743.1156.3371.2288.00106.4441/21.270.9931.273.99107.1012.7019.8028.5038.8050.7064.1079.2095.8055/81.591.5521.984.99125.9210.5816.5023.7532.3342.2553.4266.0079.8363/41.912.2352.855.98135.469.7715.2321.9229.8539.0049.3160.9273.6977/82.223.0423.886.98145.079.0714.1420.3627.7136.2145.7956.5768.43812.543.9735.077.98164.447.9412.3817.8124.2531.6940.0649.5059.8891 1/82.866.0286.418.98174.187.4711.6516.7622.8229.8237.7146.5956.35101 1/43.186.2077.929.97183.947.0611.0015.8321.5628.1735.6144.0053.22111 3/83.497.5119.5810.97193.746.6810.4215.0020.4226.6833.7441.6850.42121 1/23.818.93811.4011.97203.556.359.9014.2519.4025.3532.0539.6047.90Designaciones, reas, permetros y pesos de233.095.528.6112.3916.8722.0427.8734.4341.65varillas estndar252.845.087.9211.4015.5220.2825.6431.6838.32302.374.236.609.5012.9316.9021.3726.4031.93reas de varillas en losas (cm2/m).

RefuerzoN de barraDimetroPeso (kgf/m)rea (cm2)Permetro(cm)N de barraNmero de varillas en una capa de refuerzoAdicin por cada varilla adicionalpulgcm234567833/80.950.5590.712.99417.321.124.928.732.536.340.13.841/21.270.9931.273.99517.521.625.930.034.038.142.44.155/81.591.5521.984.99617.822.426.731.235.640.144.54.4563/41.912.2352.855.98718.322.927.732.537.341.946.74.7677/82.223.0423.886.98818.523.628.733.838.943.949.05.08812.543.9735.077.98919.324.930.736.342.147.853.65.7491 1/82.866.0286.418.981019.826.432.839.445.752.158.76.45101 1/43.186.2077.929.971120.627.735.142.249.256.463.57.16111 3/83.497.5119.5810.97Ancho mnimo del alma (cm) para vigas con exposicin interior (Cdigo ACI de 1995).121 1/23.818.93811.4011.97a. Ancho mnimo de viga calculado considerando estribos #3.Designaciones, reas, permetros y pesos deb. Mxima medida del agregado suponiendo que no excede los 3/4 de claro entre varillasvarillas estndar (ACI 3.3.2).c. La distancia horizontal desde el centro longitudinal externo de las varillas hasta el centro del estribo se supone igual al mayor de 2 veces el dimetro del estribo (ACI 7.2.2) o la mitad del dimetro de la varilla longitudinal.