Hoja1PREDIMENSIONAMIENTO

DATOSAREA(cm2)PESO (Kg/m)BRIDA INFERIORANGULO DOBLE1" 1/4" X 1/4"7.265.70Kg/mBRIDA SUPERIORANGULO DOBLE1" 1/4" X 1/4"7.265.70Kg/mVIGUETASANGULO DOBLE1 " X 1/4 "5.654.44Kg/mDIAGONALANGULO DOBLE1 " X 1/4 "5.654.44Kg/mMONTANTEANGULO DOBLE1 " X 1/4 "5.654.44Kg/mCALAMINON10.00Kg/m2SOBRECARGA30.00Kg/m2VIENTO75.00Km/hL15mS6m

PESOLONGITUDAREA TRIBUTARIATOTALLARGOANCHOCARGA P1BRIDA SUPERIOR5.700.9565.45PD = 0.14tnfMONTANTE4.440.7503.33PL = 0.17tnfCARA "A"CARA "B"DIAGONAL4.441.2015.32DATOSDATOSVIGUETA4.446.00026.61CP = 1.2PRESIONCP = -0.8SUCCINCOBERTURA10.006.0000.95657.37CR = 1CR = 110.006.0000.75045.00Q = 0.005*V^2Q = 0.005*V^2CARGA VIVA30.006.0000.956172.10Q = 28.13Q = 28.13

PRESIN P = Q*CR*CPPRESIN P = Q*CR*CPPESOLONGITUDAREA TRIBUTARIATOTALPRESIN P = 33.75Kg/m2PRESIN P = -22.50Kg/m2LARGOANCHOCARGA P2BRIDA SUPERIOR5.701.91210.89PD = 0.16tnfMONTANTE4.440.9384.16PL = 0.34tnfDIAGONAL4.441.3265.88CARA "E"CARA "F"VIGUETA4.446.00026.61DATOSDATOSCOBERTURA10.006.0001.912114.73CP = -1.1SUCCINCP = -1SUCCINCARGA VIVA30.006.0001.912344.18CR = 1CR = 1Q = 0.005*V^2Q = 0.005*V^2Q = 28.13Q = 28.13PESOLONGITUDAREA TRIBUTARIATOTALLARGOANCHOPRESIN P = Q*CR*CPPRESIN P = Q*CR*CPCARGA P3PRESIN P = -30.94Kg/m2PRESIN P = -28.13Kg/m2BRIDA SUPERIOR5.701.91210.89MONTANTE4.441.1254.99PD = 0.16tnfDIAGONAL4.441.4646.49PL = 0.34tnfCARGAS DE VIENTOVIGUETA4.446.00026.61PBHCOBERTURA10.006.0001.912114.73V - 133.750.75060.15 tnfCARGA VIVA30.006.0001.912344.18V - 233.750.75060.15 tnfV - 3-30.940.9566-0.18 tnfV - 4-30.941.9126-0.35 tnfPESOLONGITUDAREA TRIBUTARIATOTALV - 5-30.941.9126-0.35 tnfLARGOANCHOV - 6-30.941.9126-0.35 tnfCARGA P4V - 7-30.940.9566-0.18 tnfBRIDA SUPERIOR5.701.91210.89V - 8-28.130.9566-0.16 tnfMONTANTE4.441.3135.82V - 9-28.131.9126-0.32 tnfDIAGONAL4.441.6137.15PD = 0.17tnfV - 10-28.131.9126-0.32 tnfVIGUETA4.446.00026.61PL = 0.34tnfV - 11-28.131.9126-0.32 tnfCOBERTURA10.006.0001.912114.73V - 12-28.130.9566-0.16 tnfCARGA VIVA30.006.0001.912344.18V - 13-22.500.7506-0.10 tnfV - 14-22.500.7506-0.10 tnf

PESOLONGITUDAREA TRIBUTARIATOTALLARGOANCHOCARGA P5BRIDA SUPERIOR5.701.91210.89MONTANTE4.441.5006.65DIAGONAL4.440.00.0VIGUETA4.446.00026.61PD = 0.16tnfCOBERTURA10.006.0001.912114.73PL = 0.34tnfCARGA VIVA30.006.0001.912344.20

PESOLONGITUDAREA TRIBUTARIATOTALLARGOANCHOCARGA P10BRIDA INFERIOR5.700.9385.34MONTANTE4.440.7503.33COBERTURA10.006.0000.75045.00PD = 0.054tnf

PESOLONGITUDAREA TRIBUTARIATOTALLARGOANCHOCARGA P11BRIDA INFERIOR5.701.87510.68MONTANTE4.440.9384.16DIAGONAL4.441.2015.32PD = 0.02tnf

PESOLONGITUDAREA TRIBUTARIATOTALLARGOANCHOCARGA P12BRIDA INFERIOR5.701.87510.68MONTANTE4.441.1254.99DIAGONAL4.441.3265.88PD = 0.02tnf

PESOLONGITUDAREA TRIBUTARIATOTALLARGOANCHOCARGA P13BRIDA INFERIOR5.701.87510.68MONTANTE4.441.3135.82DIAGONAL4.441.4646.49PD = 0.02tnf

PESOLONGITUDAREA TRIBUTARIATOTALLARGOANCHOCARGA P14BRIDA INFERIOR5.701.87510.68MONTANTE4.441.5006.65DIAGONAL4.443.22614.31PD = 0.03tnfDISEO DE BRIDA INFERIOR Y DIAGONALDISEO DE BRIDA SUPERIOR Y MONTANTE

BRIDA INFERIORBRIDA SUPERIOR

BRIDA " N "BRIDA " D "

MAXIMA COMBINACION8.724tnfSECCION PROPUESTAMAXIMA COMBINACION8.908tnfSECCION PROPUESTA

SECCION PROPUESTA :1 1/4X1/4SECCION PROPUESTA :2X3/16AREA TOTAL=7.258KLx/Rx122cm.AREA TOTAL=9.224Agmin3.80131cm2.PARA UN PERFILL1.9121PARA UN PERFILfi0.9Lx191.21Tu8724x1.023INERCIA EN EL CENTROIDE Ix1.446INERCIA EN EL CENTROIDE IFy2550A3.175a12.016A =3.629KLy/Ry71cm.A5.08a12.419A =4.612c0.6350y11.588r =0.94L3.8242c0.4763y12.540r =1.57c0.635a21.613Ly382.42c0.47625a22.193Rx0.625cm.B2.54y20.318Io =3.20660649B4.60y20.238Io =11.3678376473L1.875Lx187.5A3.63cFcryy =1.650Tn/cm2.A4.61INERCIA EN EL EJE XINERCIA EN EL EJE YINERCIA EN EL EJE XINERCIA EN EL EJE YRy5cm.I10.857b =6cFcrxx =0.980Tn/cm2.I13.238b =3L150.857I x =6.413d =5.15193.238I x =22.736d =5.1343Ly1500r x =0.940I y =199.060cPnyy =15.22Tn/cm2.r x =1.570I y =265.887

r y =5.237cPnxx =9.04Tn/cm2.r y =5.369

DIAGONALMONTANTE

DIAGONAL " 1 "BARRA " A "

MAXIMA COMBINACION7.268tnfSECCION PROPUESTAMAXIMA COMBINACION6.404tnfSECCION PROPUESTA

SECCION PROPUESTA :1 1/4X1/8SECCION PROPUESTA :2X1/8AREA TOTAL=3.831KLx/Rx94cm.AREA TOTAL=6.250Agmin3.16688cm2.PARA UN PERFILL1.5PARA UN PERFILfi0.9Lx150Tu7268x0.911INERCIA EN EL CENTROIDE Ix1.388INERCIA EN EL CENTROIDE IFy2550A3.175a11.008A =1.915KLy/Ry28cm.A5.08a11.613A =3.125c0.3175y11.588r =0.98L1.5c0.3175y12.540r =1.59c0.3175a20.907Ly150c0.3175a21.512Rx0.8004cm.B2.86y20.159Io =1.8394721275B4.76y20.159Io =7.9002966994L2.4012Lx240.12A1.915cFcryy =2.070Tn/cm2.A3.12INERCIA EN EL EJE XINERCIA EN EL EJE YINERCIA EN EL EJE XINERCIA EN EL EJE YRy0.8004cm.I10.521b =2cFcrxx =1.350Tn/cm2.I12.297b =3L2.40120.521I x =3.679d =3.26432.297I x =15.801d =5.1922Ly240.12r x =0.980I y =44.496cPnyy =12.94Tn/cm2.r x =1.590I y =184.295

r y =3.408cPnxx =8.44Tn/cm2.r y =5.430

DISEO DE LARGUERO

METRADO DE CARGASSOPORTE LATERAL CONTINUOAREA(m2)ANCHOPERFIL ASUMIR15.00000Kg/mWd =34.12 Kg/m0.02296 Klib/PieCOBERTURA10.001.91219.12Kg/mWl =57.36Kg/m0.03860 Klib/PieCARGA VIVA30.001.91257.36Kg/mMd =1.11201Klib.PieLONGITUD =6METROS=>19.68PIESMl =1.86948Klib.Pie

Fy =36Klib.PieVd =0.22596 Vl =0.37988 Mu =4.33Klib.Pie

Z req =1.60pulg3

M 8 x 6,5Zxx =5.4pulg3FLEXIONCOMPACTAd =7.85pulgbf =2.28pulgAISC :6.1290322581< 10,83OK tf =0.186pulgAISC :59.022556391< 106,67OK tw =0.133pulgIxx =18.1pulg4

CORTE59.022556391< 70ALMA FLUYEVu actuaRESISTEVu =0.87897 Klib.vVN =2.025Klib.vVN > VuOK FLECHA MAXIMAfmax =0.39618 Pulg

L =236.2176PulgE =29000KsiW =0.00513 Klib/pulg2

Hoja2fuerzas internas en barrasmax. Combinacion de cargasPdPlPwA-1.95-2.540.23-6.404BRIDA SUPERIORBRIDA INFERIORB-1.73-2.30.16-5.756B-5.756K+ -0,221C-2.49-3.30.24-8.268C-8.268L5.612D-2.69-3.550.28-8.908D-8.908M8.096E-2.52-3.330.29-8.352E-8.352N8.724F-2.52-3.330.3-8.352F-8.352O8.724G-2.69-3.550.26-8.908G-8.908P8.096H-2.49-3.30.23-8.268H-8.268Q5.612I-1.73-2.30.18-5.756I-5.756R+ - 0,13J-1.95-2.540.15-6.404K000.17+ -0,221L1.692.240.065.612DIAGONALMONTANTEM2.443.230.058.09617.268A-6.404N2.633.480.088.72433.582-4.18O2.633.480.18.72451.0964-2.152P2.443.230.078.0967-1.0846-0.424Q1.692.240.065.6129-1.08482.352R000.1+ - 0,13111.09610-0.42412.192.9-0.187.268133.5812-2.1522-1.23-1.690.26-4.18157.26814-4.1831.091.42-0.053.58J-6.4044-0.62-0.880.19-2.15250.340.430.11.0966-0.1-0.190.16-0.4247-0.33-0.430.13-1.08480.760.90.162.3529-0.33-0.430.1-1.08410-0.1-0.190.16-0.424110.340.430.091.09612-0.62-0.880.17-2.152131.091.420.053.5814-1.23-1.690.2-4.18152.192.9-0.087.268

Hoja3