Top Banner

of 30

Metodo de Rigidez Con Tres Secciones

Jan 14, 2016

Download

Documents

analisis estructural
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript

Hoja1METODO DE LA RIGIDEZW12.52.5W2DATOS:MW1=4Tn/mW2=6Tn/m6510L1=6mL2=5mL3=10mTRAMO ABb=0.30mM=3Tn*m0.50h=0.50mL2/2=2.5mI=0.003125m4E=2173706.51Tn/mEI=6792.8328497763Tn*m3f'c=210kg/cm20.30

TRAMO BCb=0.30m0.40h=0.42=0.40mI=0.0016m4EI=3477.9304190855Tn*m30.30

TRAMO CDb=0.30m0.85h=0.83=0.85mI=0.015353125m4EI=33373.187790951Tn*m30.30

1. GRADOS DE LIBERTAD DE LA VIGA

123N.N=4N.R=9G.L=32. CALULO DE LAS RIGIDESESBCK11==7310.8995684526K21==1391.1721676342K31=0CDK12==1391.1721676342K22==16131.6194516488K32==6674.6375581902

CDK13=0K23==6674.6375581902K33==13349.27511638043. MATRIZ DE RIGIDEZ

7310.89956845261391.172167634201391.172167634216131.61945164886674.637558190206674.637558190213349.2751163804

4. MATRIZ INVERSA DE RIGIDEZ0.000139672-0.00001518710.0000075935-0.00001518710.0000798111-0.00003990560.0000075935-0.00003990560.0000948632

5. CALCULO DE LOS MOMENTOS DE EMPOTRAMIENTOTRAMO A-BW1MEP=6MEP=12TRAMO B-CMEP=2.52.5MEP=0.75M5

TRAMO C-DMEP=W2

MEP=5010

12-120.75-0.7550-50

M.E.P. A1=12M.E.P. B1=-12M.E.P. B2=0.75M.E.P. C1=-0.75M.E.P. C2=50M.E.P. D1=-50

5. MATRIZ DE MOMENTO TRAMO A-B

MEXT=0

TRAMO B-C

MEXT=011.25-49.25TRAMO C-D50

MEXT=06. CALCULO DE A=0B=0.0026989487C=-0.006096832D=0.00679393787. CALCULO DE LOS MOMENTOS ABMA=18.1111691814OKABMB1=0.2223383628BCMB2-0.2223384OK

BC

MC1-13.9587838

CD

MC213.9587838OK

CD

MD0.0000000OK8. CALCULO DE LAS REACCIONES ISOSTATICASTRAMO A-B

W1 MA=0 MB=0

L1*RB - L1*W1*(L1/2) =0L1*W1*(L1/2)+L1*VA=06RB=12TnVA=12TnTRAMO B-C2.52.5 MB=0 MC=0ML2*RC+M=0M-L2*RB=05RC=-0.60TnRB=0.60TnTRAMO C-DW2 MC=0 MD=010L3*RD-L3*W2(10/2)=0L3*W2(L3/2)-L3*RC=0RD=30TnRC=30Tn3. CALCULO DE LAS REACCIONES HIPERESTATICASTRAMO A-BR'1=(MA-MB)/L1R'1=3.06

TRAMO B-CR'2=(MB-MC)/L2R'2=-2.84TRAMO C-DR'3=(MC-MD)/L3R'3=1.404. CALCULO DE LAS REACCIONES FINALES

REAC. ISOS12.0012.000.60-0.6030.0030.00REAC. HIPER.3.06-3.06-2.842.841.40-1.40REAC. TOTAL15.068.94-2.242.2431.4028.60

RA=15.06TnRB=6.71TnRC=33.63TnRD=28.60Tn5. DIAGRAMA DE FUERZA CORTANTEREACCION DXY200.002028.60

CORTE 1-1XY=RD-W2*XX12028.6001922.6011816.6021710.603164.60415-1.40514-7.40613-13.40712-19.40811-25.40910-31.4010

REACCION CXY10-31.40102.24

CORTE 2-2XY=RC-31.40102.2492.2482.2472.2462.24

REACCION BXY62.2468.94CORTE 3-3XY=W1*X-RA68.9454.9440.943-3.062-7.061-11.060-15.06

REACCION AXY0-15.0600.00

DIAGRAMA DE FUERZA CORTANTE GENERAL

XY200.002028.601922.601816.601710.60164.6015-1.4014-7.4013-13.4012-19.4011-25.4010-31.40102.2492.2482.2472.2462.2468.9454.9440.943-3.062-7.061-11.060-15.0600.00

6. DIAGRAMA DE MOMENTO FLEXIONANTE

28.60L3-YYY=4.7731.40L3-Y=5.23

2.245

8.94L1-ZZZ=2.2415.06L3-Z=3.76

XAREA20015.2368.1810.00-13.9660.223.7610.220.00-18.110.000.00

ABCD2EI/L14EI/L14EI/L22EI/L22EI/L24EI/L24EI/L32EI/L32EI/L22EI/L34EI/L3-1-1VARBRBRCRCRD4EI/L12EI/L12EI/L14EI/L12EI/L24EI/L22EI/L22EI/L22EI/L24EI/L22EI/L24EI/L32EI/L32EI/L22EI/L34EI/L3