Diseo de viguetas metlicas

W1234567891011121314151617DESIGNACION pulg x lb / pie *AREA DE SECCIN AALAESPESOR ALMA twPESO Kg/mALTURA dANCHO bfESPESOR tfIxrxSxZxIyrySyZyJCwpulg.2pulgpulgpulgpulgpulg4pulgpulg3pulg3pulg4pulgpulg3pulg3pulg4pulg6W 4 x 133.834.164.0600.3450.28019.3511.201.715.386.193.851.001.902.910.1414.02W 6 x 123.556.034.0000.2800.23017.8621.672.477.198.162.990.921.502.310.0824.73W 6 x 154.435.995.9900.2600.23022.3228.722.559.5910.649.321.453.114.740.0976.49W 6 x 164.746.284.0300.4050.26023.8131.762.5910.1111.534.430.972.203.380.2138.19W 6 x 205.876.206.0200.3650.26029.7641.002.6413.2314.7713.281.504.416.710.23113.04W 6 x 257.346.386.0800.4550.32037.2053.022.6916.6218.7817.061.525.618.550.44149.72W 8 x 102.967.893.9400.2050.17014.8829.793.177.558.592.090.841.061.650.0330.90W 8 x 154.458.114.0150.3150.24522.3246.993.2511.5913.293.410.881.702.650.1251.76W 8 x 185.268.145.2500.3300.23026.7960.893.4014.9616.757.971.233.034.650.16121.48W 8 x 216.168.285.2700.4000.25031.2574.223.4717.9320.119.771.263.715.670.26151.62W 8 x 247.087.936.4950.4000.24535.7281.123.3820.4622.6818.271.615.638.540.31259.05W 8 x 288.258.066.5350.4650.28541.6796.363.4223.9126.7021.641.626.6210.070.49312.11W 8 x 319.138.007.9950.4350.28546.13108.233.4427.0629.9337.062.019.2714.050.49530.29W 8 x 3510.308.128.0200.4950.31052.09124.933.4830.7734.2142.582.0310.6216.090.72618.84W 8 x 4814.108.508.1100.6850.40071.43182.163.5942.8648.5060.942.0815.0322.811.89930.40W 10 x 174.9910.114.0100.3300.24025.3080.194.0115.8618.303.560.841.772.790.1485.06W 10 x 226.4910.175.7500.3600.24032.74116.534.2422.9225.6611.421.333.976.090.22274.69W 10 x 267.6110.335.7700.4400.26038.69142.534.3327.6030.9114.101.364.897.480.38344.82W 10 x 308.8410.475.8100.5100.30044.64168.204.3632.1336.2116.691.375.758.820.60413.96W 10 x 339.719.737.9600.4350.29049.11166.504.1434.2237.8836.581.949.1913.970.51790.19W 10 x 4212.409.7010.0750.4150.42062.50204.784.0642.2247.0870.792.3914.0521.450.701525.71W 10 x 4513.3010.108.0200.6200.35066.97244.044.2848.3254.0153.342.0013.3020.211.401198.33W 10 x 4914.409.9810.0000.5600.34072.92268.464.3253.8059.4293.362.5518.6728.261.292071.16W 10 x 6017.6010.2210.0800.6800.42089.29336.794.3765.9173.63116.132.5723.0434.942.332642.29W 12 x 195.5712.164.0000.3500.23528.28127.144.7820.9124.253.750.821.872.960.16130.61W 12 x 267.6512.226.4900.6800.23038.69318.756.4552.1757.7130.992.019.5514.461.401031.81W 12 x 3510.3012.506.5600.5200.30052.09282.575.2445.2150.7224.491.547.4711.450.72878.77W 12 x 4011.8011.948.0050.5150.29559.53301.175.0550.4555.8844.051.9311.0116.740.821437.55W 12 x 5315.6012.069.9950.5750.34578.87416.695.1769.1076.2795.732.4819.1529.051.423156.72W 12 x 6519.1012.1212.0000.6050.39096.73523.975.2486.4695.20174.293.0229.0543.971.995777.64W 12 x 7923.2012.3812.0800.7350.470117.60653.675.31105.60117.38216.043.0535.7754.233.587323.96W 14 x 226.4913.745.0000.3350.23032.74193.325.4628.1432.286.991.042.804.360.18314.12W 14 x 308.8513.846.7300.3850.27044.64284.845.6741.1646.3919.581.495.828.960.34886.21W 14 x 3410.0013.986.7450.4550.28550.60333.835.7847.7653.6823.301.536.9110.620.521065.35W 14 x 3811.2014.106.7700.5150.31056.55379.565.8253.8460.6026.671.547.8812.120.751230.30W 14 x 4312.6013.667.9950.5300.30563.99416.295.7560.9567.7445.171.8911.3017.230.911946.87W 14 x 5315.6013.928.0600.6600.37078.87529.735.8376.1185.2257.651.9214.3121.871.762534.11W 14 x 6117.9013.899.9950.6450.37590.78628.445.9390.49100.27107.392.4521.4932.662.014710.04W 14 x 9026.5014.0214.5200.7100.440133.90987.386.10140.85154.68362.343.7049.9175.453.8216047.61W 16 x 267.6815.695.5000.3450.25038.69293.756.1837.4443.189.591.123.495.450.23564.31W 16 x 3610.6015.866.9850.4300.29553.57440.616.4555.5662.9424.461.527.0010.820.501455.66W 16 x 4011.8016.016.9950.5050.30559.53510.546.5863.7871.9328.841.568.2512.700.741733.49W 16 x 4513.3016.137.0350.5650.34566.97578.736.6071.7681.2732.841.579.3414.431.051988.87W 16 x 5716.8016.437.1200.7150.43084.83749.996.6891.29104.1943.111.6012.1118.822.132661.74W 18 x 3510.3017.706.0000.4250.30052.09500.176.9756.5265.3515.341.225.118.030.461144.31W 18 x 4011.8017.906.0150.5250.31559.33602.397.1467.3177.2319.091.276.359.920.761440.47W 18 x 5516.2018.117.5300.6300.39081.85880.557.3797.24110.6144.911.6711.9318.501.593430.86W 18 x 7622.3018.2111.0350.6800.425113.101322.987.70145.30161.71152.402.6127.6242.162.7411708.08W 18 x 8625.3018.3911.0900.7700.480128.001517.787.75165.07184.53175.192.6331.5948.324.0013597.88W 21 x 6218.3020.998.2400.6150.40092.271309.388.46124.76142.3057.451.7713.9421.671.705962.63W 21 x 6820.0021.138.2700.6850.430101.201460.888.55138.28157.7964.701.8015.6524.342.306761.60W 21 x 7321.5021.248.2950.7400.455108.601582.918.58149.05170.2570.551.8117.0126.482.867411.96W 24 x 5516.2023.577.0050.5050.39581.851319.079.02111.93131.8529.051.348.2913.271.063863.20W 24 x 6820.1023.738.9650.5850.415101.201802.119.47151.88174.1970.391.8715.7024.481.739426.27W 24 x 7622.4023.928.9900.6800.440113.102072.349.62173.27198.0682.511.9218.3528.572.5311140.20W 24 x 8424.7024.109.0200.7700.470125.002340.559.73194.24221.8494.381.9520.9332.573.5312841.85W 24 x 9427.7024.319.0650.8750.515139.902671.879.82219.82251.41108.891.9824.0237.455.0814950.49W 24 x 10430.6024.0612.7500.7500.500154.803077.2310.03255.80286.52259.322.9140.6862.374.5335225.64W 24 x 11734.4024.2612.8000.8500.550174.103508.8410.10289.27324.68297.412.9446.4771.346.4940747.17W 27 x 8424.8026.719.9600.6400.460125.002797.0010.62209.43240.55105.602.0621.2033.092.5717942.29

cm2cm4cmcm3cm3cm4cmcm3cm3cm4cm6AdbftftwIxrxSxZxIyrySyZyJCw18.3516146.60.860.57578.675.6282.6796.07141241.401.5012.5419.733.561786.91

C123456789101112131415161718DIMENSIONES Y PESO UNITARIO

DESIGNACION pulg x lb / pie *AREA DE SECCIN AESPESOR A LA tfESPESOR ALMA twANCHO bfALTURA dPESOEJE X - XEJE Y - YJCwXKg/mIxSxrxZxIySyryZypulg.2pulgpulgpulgpulgpulg.4pulg.3pulg.pulg.3pulg.4pulg.3pulg.pulg.3pulg4pulg6pulg.C 2" x 2.580.760.1870.1871.0002.003.820.3780.3780.7440.0600.0880.2950.319C 3" x 4.11.190.2730.1701.4103.006.101.61.11.171.30.200.210.410.400.030.310.44C 3" x 5.01.460.2730.2581.4983.007.441.81.11.121.50.250.240.410.460.040.380.44C 4" x 5.41.560.2960.1801.5804.008.003.81.91.562.30.320.290.450.570.040.920.46C 4" x 6.251.820.2960.2471.6474.009.304.1902.0931.5120.3720.3110.4490.453C 4" x 7.252.120.2960.3201.7204.0010.804.52.31.472.80.440.350.460.700.081.240.46C 5" x 6.71.950.3200.1901.7505.0010.007.43.01.953.60.480.380.500.760.052.220.49C 5" x 9.02.630.3200.3251.8855.0013.408.83.51.834.40.640.450.490.910.112.930.48C 6" x 8.22.390.3430.2001.9206.0012.2013.04.32.345.20.700.500.540.990.074.700.52C 6" x 10.53.070.3430.3142.0346.0015.6315.15.02.226.20.870.570.531.140.135.910.50C 7" x 9.82.850.3660.2102.0907.0014.6021.16.02.727.20.980.630.591.260.109.150.55C 8" x 11.53.360.3900.2202.2608.0017.1032.38.13.109.61.30.790.631.570.1316.500.58C 8" x 13.754.020.3900.3032.3438.0020.5035.89.02.9911.01.50.860.621.730.1919.200.56C 9" x 13.43.890.4130.2302.4309.0019.9047.310.53.4912.61.80.970.671.940.1728.200.61C 10" x 15.34.470.4360.2402.60010.0022.8066.913.43.8715.92.31.20.722.340.2145.500.64C 10" x 20.05.860.4360.3792.73910.0029.8078.515.73.6619.42.81.30.702.700.3756.900.61C 12" x 20.76.030.5010.2802.94012.0030.80128.121.44.6125.63.91.70.813.470.37112.000.70C 12" x 25.07.320.5010.3873.04712.0037.20143.523.94.4329.44.51.90.793.820.54130.000.68C 12" x 30.08.790.5010.5103.17012.0044.65161.226.94.2833.85.22.10.774.320.86151.000.68C 15" x 33.99.960.6500.4003.40015.0050.44315.042.05.6250.88.133.110.906.191.01358.000.79

I = Momento de InerciaS = Modulo de seccion alrededor del ejer = Radio de rotacion alrededor del ejeX = Distancia al centro de gravedad

Viga EscaleraDiseo de Viga W

Tipo de Acero: ASTM - A36E2.10E+06kg/cmEsfuerzo de fluencia nominalEsta hoja se limita para perfiles W compactosFy3500kg/cmEsfuerzo de ruptura nominalFu4500kg/cmMdulo de elasticidad (Young)G808000kg/cmMdulo de Corte

Geometra General0Inclinacin de techoS0.75mSeparacin entre vigasLv4.5mLuz de viga

Limiting CompactElementflangewebW9.3192.10

Propiedades del Perfil flange webPerfild (mm)bf (mm)tf (mm)tw (mm)ho (mm)bf/2tfh/twCompact?W 10 x 45256.54203.7115.758.89240.796.4727.09Si

JCwAgPesoC1C2(cm4)(cm6)(cm)(kg/m)58.31321795.8085.8166.973E+052E-07

Propiedades geomtricas del Eje MayorIxSxZxrxKv(cm4)(cm3)(cm3)(cm)10157.71791.90885.0210.885.00

Propiedades geomtricas del Eje MenorIySyZyryrtscLpLrKv(cm4)(cm3)(cm3)(cm)(cm)(m)(m)2220.02217.96331.195.095.8112.198.331.2

Anlisis de cargasa.- Cargas uniformes sobre la cubierta:Cargas Permanentes50kg/mCubierta0kg/mSCI, Instalaciones y otros70.32kg/mPeso propio del perfil incluido conexionesResumenD50kg/mCarga permanenteLr0kg/mCarga variable de techoL500kg/mCarga variable (polvo)W0kg/mViento: Succin (-) , Presin (+)CA200kgCarga por Montajeb.- Cargas directas sobre las correas:

Caso de cargaqAqqxqy(kg/m)(kg/m)(kg/m)(kg/m)D75126.570.00126.570.056L500375.000.00375.000.375Lr00.000.000.00W00.000.00c.- Cargas mayoradas:

Comb. de CargasFactores de CargaquxquyDLLrW(kg/m)(kg/m)U11.40.00177.20U21.21.60.50.00751.88U31.211.60.00526.88U41.21.60.80.00151.88U51.210.51.60.00526.88U60.91.60.00113.91Combinacin de cargas crticas:qux0.00kg/mquy751.88kg/mAnlisis estructural

MuxMuySeccin(t-m)(t-m)00.000.00Vux mx0.00tEje menor1.1251.430.00Vuy mx1.69tEje mayor2.251.900.003.3751.430.004.50.000.00Mu mx1.900.00Cb1.14Resistencia de diseo a la flexin segn el eje mayor:Lb4.5mLongitud no arriostradaCaso:Pandeo Lateral Torsional Inelstico: Lp89mm

LA PORCIN COMPRIMIDA DEL ALMA ES TOTALMENTE EFECTIVA

Luego:Sc=137.4914547202cm

f=0.9Mn=3478.5338044217kg-mfbMn=3130.6804239796kg-mPANDEO LATERAL TORSIONAL

Por lo tanto Tomamos el momento resistente de la seccin ser:

fbMn=3130.6804239796kg-m

Como MuLA SECCION ES OK!

CCALCULO DE DEFLEXIONESComo las deflexiones se calculan cn cargas de servicioHallamos el esfuerzo en el ala en compresin debido a las cargas de servicioM=554.989284852kg-mPara f=403.6536568628kg/cmANCHO EFECTIVO DEL ALA EN COMPRESINw=0.2mmds=-33.5mmw/t=0.0105263158S=90.9956449971Comparamos w/t con Sw/t Estamos en elCASO 1CASO 1Este caso SI es aplicableIa=0b=w=0.2mm

CASO 2Este caso NO es aplicableIa=-4.3985078023in4Is=0.0260914546in4C2=-0C1=2.01n=0.50ka=4.00k=ERROR:#NUM!l=ERROR:#NUM!=> lERROR:#NUM!r=ERROR:#NUM!b=ERROR:#NUM!mm

CASO 3Este caso NO es aplicableIa=180.0352017351in4Is=0.0260914546in4C2=0.0001449242C1=1.9998550758n=0.33ka=4.00k=0.62l=0.0004964994=> l La seccin no se reducer=1.00b=0.2mm

En conclusin el ancho efectivo del ala ser b=0.2mm

ANCHO EFECTIVO DEL ATIEZADOR DE BORDEEl atiezador esta sometido a un gradiente de esfuerzoads/t=-1.7631578947k=0.43l=-0.0397889135=> l La seccin no se reducer=1.00d's=-33.5mm

Por otro lado de acuerdo al CASO 1-33.50mmEsto indica que el atiezador es totalmente efectivo

En conclusin el ancho efectivo del atiezador ser d's=-33.50mm

LOCALIZACIN DEL EJE NEUTRO DE LA SECCIN, MOMENTO DE INERCIA YMODULO DE SECCIN

Ycg1=127.0mmDesde el extremo bajo (Ala en traccin)

Hallamos los esfuerzos de compresin y traccin en los extremos del alma

f1=282.875397329kg/cmTraccinf2=-282.875397329kg/cmCompresinY=-1k=24h=178mmh/t=9.3684210526 l El alma no se reducer=1.00be=178mmb1=44.5mmComo Y89.0

LA PORCIN COMPRIMIDA DEL ALMA ES TOTALMENTE EFECTIVA

Luego, las propiedades geomtricas de la seccin reducida sern:A1=18.90018cmIx1=1772.732461875cm4Sxs=139.5852332185cm(Para la fibra en compresin)

Se calcula la deflexn con Ix=1772.732461875cm4

&"Arial,Negrita"&12BUENAVENTURA INGENIEROS S.A&"Arial,Normal"&10PROYECTO:"AMPLIACION DE PLANTA EXPLORADORA 2000 TMSD"Documento ID : " SP-01-0478-02-001Setiembre 2006Rev 0Pgina &P de &N

--------------------------------------------------------------------------------------------------------------------------DOCUMENTO ELABORADO POR Ingenieria BISA

Hoja2Diseo de Viga C

Tipo de Acero: ASTM - A36E2.10E+06kg/cmEsfuerzo de fluencia nominalEsta hoja se limita para perfiles C compactosFy2530kg/cmEsfuerzo de ruptura nominalFu4080kg/cmMdulo de elasticidad (Young)G808000kg/cmMdulo de Corte

Geometra General9Inclinacin de techoS2mSeparacin entre vigasLv8mLuz de vigaFy=252MPaE=200000MPaG=77200MPaFL=182MPaLb=4mCb=1.1PesoPerfilD (mm)B (mm)d (mm)t (mm)(kg/m)Z12"x3"304.8076.204.5019.0016.45

JCwAgC1C2(cm4)(cm6)(cm)1.453.6321.158595.98303035820.0000002062

Propiedades geomtricas del Eje MayorIxSxrxZx(cm4)(cm3)(cm)(cm3)2751.03177.8111.40192.85

Propiedades geomtricas del Eje MenorIySyryZy(cm4)(cm3)(cm)(cm3)177.922.672.90