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ANALISIS ESTRUCTURAL DEL PÓRTICO 3(EJE 1)
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f'c= 210 kg/cm2
E= 2173706.512
columna H= 0.25 viga b= 0.25 ANGULO INERCIA
b= 0.5 h= 0.6 0 0.0006510
AREA= 0.13 m2 AREA= 0 m2 0.002604
INERCIA= 0.000651 m4 INERCIA= 0.0045 m4
AE= 271713.31 AE= 0
EI= 1415.17 EI= 9781.6793
L (columnas)= 3.00 L (vigas)= 6
L (columnas)= 2.5
Pórtico con coordenadas globales
Matriz de elementos de las columnas 1 y 2
90571.10 0.00 0.00 -90571.10 0.00 0.00
0.00 628.97 943.45 0.00 -628.97 943.45
[k]1 y 2 = 0.00 943.45 1886.90 0.00 -943.45 943.45
-90571.10 0.00 0.00 90571.10 0.00 0.000.00 -628.97 -943.45 0.00 628.97 -943.45
0.00 943.45 943.45 0.00 -943.45 1886.90
Matriz de elementos de las columnas 3 y 4
108685.33 0.00 0.00 -108685.33 0.00 0.00
0.00 1086.85 1358.57 0.00 -1086.85 1358.57
[k]3 y 4 = 0.00 1358.57 2264.28 0.00 -1358.57 1132.14
-108685.33 0.00 0.00 108685.33 0.00 0.00
0.00 -1086.85 -1358.57 0.00 1086.85 -1358.57
0.00 1358.57 1132.14 0.00 -1358.57 2264.28
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Datos para la matriz de transformación R
ELEM X Y L
m m m
1 0 3 3
2 0 3 3
3 0 2.5 2.5
4 0 2.5 2.5
5 6 0 6
6 6 0 6
Matriz de transformación para las columnas 1,2,3 y 4
0.000 1.000 0.000 0.000 0.000 0.000
-1.000 0.000 0.000 0.000 0.000 0.000
[R]1, 2,3,4 = 0.000 0.000 1.000 0.000 0.000 0.000
0.000 0.000 0.000 0.000 1.000 0.000
0.000 0.000 0.000 -1.000 0.000 0.000
0.000 0.000 0.000 0.000 0.000 1.000
Matriz de transformación para las columnas 5 y 6
1.000 0.000 0.000 0.000 0.000 0.000
0.000 1.000 0.000 0.000 0.000 0.000
[R] 5 y 6 = 0.000 0.000 1.000 0.000 0.000 0.000
0.000 0.000 0.000 1.000 0.000 0.000
0.000 0.000 0.000 0.000 1.000 0.0000.000 0.000 0.000 0.000 0.000 1.000
Matriz de rigidez de cada elemento:
[∗] = {}[]{}
7 8 9 10 11 12
628.97 0 -943.45 -628.97 0.00 -943.45 7
0 90571.10 0 0 -90571.10 0 8
[k*]1 =-943.45 0 1886.90 943.45 0 943.45 9
-628.97 0 943.45 628.97 0 943.45 10
0 -90571.10 0.00 0 90571.10 0 11
-943.45 0.00 943.45 943.45 0 1886.90 12
16 17 18 1 3 4
628.97 0.00 -943.45 -628.97 0.00 -943.45 16
0.00 90571.10 0.00 0.00 -90571.10 0.00 17
[k*]2 = -943.45 0.00 1886.90 943.45 0.00 943.45 18
-628.97 0.00 943.45 628.97 0.00 943.45 1
0.00 -90571.10 0.00 0.00 90571.10 0.00 3
-943.45 0.00 943.45 943.45 0.00 1886.90 4
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10 11 12 13 14 15
1086.85 0.00 -1358.57 -1086.85 0.00 -1358.57 10
0.00 108685.33 0.00 0.00 -108685.33 0.00 11
[k*]3 = -1358.57 0.00 2264.28 1358.57 0.00 1132.14 12
-1086.85 0.00 1358.57 1086.85 0.00 1358.57 13
0.00 -108685.33 0.00 0.00 108685.33 0.00 14
-1358.57 0.00 1132.14 1358.57 0.00 2264.28 15
1 3 4 2 5 6
1086.85 0.00 -1358.57 -1086.85 0.00 -1358.57 1
0.00 108685.33 0.00 0.00 -108685.33 0.00 3
[k*]4 = -1358.57 0.00 2264.28 1358.57 0.00 1132.14 4
-1086.85 0.00 1358.57 1086.85 0.00 1358.57 2
0.00 -108685.33 0.00 0.00 108685.33 0.00 5
-1358.57 0.00 1132.14 1358.57 0.00 2264.28 6
10 11 12 1 3 4
0.00 0.00 0.00 0.00 0.00 0.00 10
0.00 543.43 1630.28 0.00 -543.43 1630.28 11
[k*]5 = 0.00 1630.28 6521.12 0.00 -1630.28 3260.56 12
0.00 0.00 0.00 0.00 0.00 0.00 1
0.00 -543.43 -1630.28 0.00 543.43 -1630.28 3
0.00 1630.28 3260.56 0.00 -1630.28 6521.12 4
13 14 15 2 5 6
0.00 0.00 0.00 0.00 0.00 0.00 13
0.00 543.43 1630.28 0.00 -543.43 1630.28 14
[k*]6 = 0.00 1630.28 6521.12 0.00 -1630.28 3260.56 15
0.00 0.00 0.00 0.00 0.00 0.00 2
0.00 -543.43 -1630.28 0.00 543.43 -1630.28 5
0.00 1630.28 3260.56 0.00 -1630.28 6521.12 6
Ensamblamos la matriz del pórtico K
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1 3 4 2 5 6 10 11 12 13 14 15
1715.8 0.0 -415.1 -1086.9 0.0 -1358.6 0.0 0.0 0.0 0.0 0.0 0.0 1
0.0 199799.9 -1630.3 0.0 -108685.3 0.0 0.0 -543.4 -1630.3 0.0 0.0 0.0 3
-415.1 -1630.3 10672.3 1358.6 0.0 1132.1 0.0 1630.3 3260.6 0.0 0.0 0.0 4
-1086.9 0.0 1358.6 1086.9 0.0 1358.6 0.0 0.0 0.0 0.0 0.0 0.0 2
0.0 -108685.3 0.0 0.0 109228.8 -1630.3 0.0 0.0 0.0 0.0 -543.4 -1630.3 5
[K]= -1358.6 0.0 1132.1 1358.6 -1630.3 8785.4 0.0 0.0 0.0 0.0 1630.3 3260.6 6
0.0 0.0 0.0 0.0 0.0 0.0 1715.8 0.0 -415.1 -1086.9 0.0 -1358.6 10
0.0 -543.4 1630.3 0.0 0.0 0.0 0.0 199799.9 1630.3 0.0 -108685.3 0.0 11
0.0 -1630.3 3260.6 0.0 0.0 0.0 -415.1 1630.3 10672.3 1358.6 0.0 1132.1 12
0.0 0.0 0.0 0.0 0.0 0.0 -1086.9 0.0 1358.6 1086.9 0.0 1358.6 13
0.0 0.0 0.0 0.0 -543.4 1630.3 0.0 -108685.3 0.0 0.0 109228.8 1630.3 14
0.0 0.0 0.0 0.0 -1630.3 3260.6 -1358.6 0.0 1132.1 1358.6 1630.3 8785.4 15
Ahora hallamos la matriz de transformación [R[ para condensar:
La matriz de transformación será:
Hallamos solo matriz de coordenadas libres
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1* 2* 3* 4* 5* 6* 11* 12* 14* 15*
1 0 0 0 0 0 0 0 0 0 1
0 0 1 0 0 0 0 0 0 0 3
0 0 0 1 0 0 0 0 0 0 4
0 1 0 0 0 0 0 0 0 0 2
0 0 0 0 1 0 0 0 0 0 5
R = 0 0 0 0 0 1 0 0 0 0 6
1 0 0 0 0 0 0 0 0 0 10
0 0 0 0 0 0 1 0 0 0 110 0 0 0 0 0 0 1 0 0 12
0 1 0 0 0 0 0 0 0 0 13
0 0 0 0 0 0 0 0 1 0 14
0 0 0 0 0 0 0 0 0 1 15
Finalmente nuestra matriz quedaría:
1* 2* 3* 4* 5* 6* 11* 12* 14* 15*
3431.64 -2173.71 0 -415.117563 0 -1358.57 0.00 -415 0.00 -1358.57
-2173.71 2173.71 0 1358.56657 0 1358.57 0.00 1359 0.00 1358.57
0 0 199799.86 -1630.28 -108685.33 0 -543 -1630.28 0.00 0
-
415.1175631358.56657 -1630.28 10672.30 0 1132.14 1630.28 3260.56 0.00 0.00
Kuu = 0 0 -108685.33 0 109228.75 -1630.28 0 0 -543 -1630
-
1358.566571358.56657 0 1132.14 -1630.28 8785.40 0.00 0 1630 3260.56
0 0 -543.426628 1630.28 0 0.00 199799.86 1630 -108685.33 0.00
-
415.1175631358.56657 -1630.279884 3260.56 0 0 1630 10672.30 0.00 1132.14
0 0 0 0.00 -543.426628 1630 -108685.33 0.00 109228.75 1630.28
-
1358.566571358.56657 0 0.00
-
1630.2798843260.56 0.00 1132 1630.28 8785.40
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Por la fórmula:
[K]L = 3106.83 -1807.91
-1807.91 1637.28
[] = [] [] . []−1[]
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ANALISIS ESTRUCTURAL DEL PÓRTICO 4 Y 5(EJES A Y B)
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DATOS:
HALLAMOS LOS k DE CADA ELEMENTO
Para las columnas 1,2 y 3
Para las columnas 4,5 y 6
Para las vigas 7, 8,9 y 10
MATRIZ DE TRANFORMACION [R]i
Para las columnas 1, 2,3 ,4 ,5 y 6
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Para las vigas 7, 8, 9, 10
MATRIZ DE RIGIDEZ DEL ELEMENTO [k*]i
De cada elemento
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
2259.25 -1086.85 0.00 1215.16 0.00 -1358.57 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -543.43 0.00 1630.28 0.00 0.00 0.00 -628.97 0.00 943.45 1
-1086.85 1630.28 0.00 1358.57 0.00 2988.85 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -543.43 0.00 1630.28 0.00 0.00 0.00 2
0.00 0.00 199256.43 0.00 -108685.33 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -90571.10 0.00 3
1215.16 1358.57 0.00 10672.30 0.00 1132.14 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1630.28 0.00 3260.56 0.00 0.00 0.00 -943.45 0.00 943.45 4
0.00 0.00 -108685.33 0.00 108685.33 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 5
-1358.57 2988.85 0.00 1132.14 0.00 8785.40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 - 1630.28 0.00 3260.56 0 .00 0.00 0.00 6
0.00 0.00 0.00 0.00 0.00 0.00 628.97 0.00 -943.45 -628.97 0.00 -943.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7
0.00 0.00 0.00 0.00 0.00 0.00 0.00 9 0571.10 0.00 0.00 -90571.10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8
0.00 0.00 0.00 0.00 0.00 0.00 -943.45 0.00 1886.90 943.45 0.00 943.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9
0.00 0.00 0.00 0.00 0.00 0.00 -628.97 0.00 943.45 2259.25 0.00 -2045.40 -1086.85 0.00 -1358.57 0.00 0.00 0.00 -543.43 0.00 -1630.28 0.00 0.00 0.00 0.00 0.00 0.00 10
0.00 0.00 0.00 0.00 0.00 0.00 0.00 - 90571.10 0.00 0.00 199256.43 0.00 0.00 -108685.33 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11
0.00 0.00 0.00 0.00 0.00 0.00 -943.45 0.00 943.45 -2045.40 0.00 10672.30 1358.57 0.00 1132.14 0.00 0.00 0.00 1630.28 0.00 3260.56 0.00 0.00 0.00 0.00 0.00 0.00 12
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1086.85 0.00 1358.57 1630.28 0.00 -271.71 0.00 0.00 0.00 0.00 0.00 0.00 -543.43 0.00 -1630.28 0.00 0.00 0.00 13
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -108685.33 0 .00 0.00 108685.33 0 .00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1358.57 0.00 1132.14 -271.71 0.00 8785.40 0.00 0.00 0.00 0.00 0.00 0.00 1630.28 0.00 3260.56 0 .00 0.00 0.00 15
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 628.97 0.00 -943.45 -628.97 0.00 -943.45 0.00 0.00 0.00 0.00 0.00 0.00 16
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 90571.10 0.00 0.00 -90571.10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -943.45 0.00 1886.90 943.45 0.00 943.45 0.00 0.00 0.00 0.00 0.00 0.00 18
- 543.43 0.00 0.00 -1630.28 0.00 0.00 0.00 0. 00 0.00 -543.43 0.00 1630.28 0. 00 0. 00 0.00 - 628. 97 0. 00 943. 45 2802. 67 0. 00 -415.12 -1086. 85 0.00 -1358.57 0 .00 0.00 0. 00 19
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -90571.10 0.00 0.00 199256.43 0.00 0.00 -108685.33 0.00 0.00 0.00 0.00 20
1630. 28 0.00 0.00 3260.56 0.00 0.00 0.00 0. 00 0.00 -1630.28 0.00 3260.56 0. 00 0. 00 0.00 - 943. 45 0. 00 943. 45 -415. 12 0. 00 17193. 41 1358. 57 0.00 1132.14 0.00 0.00 0. 00 21
0.00 -543.43 0.00 0.00 0.00 -1630.28 0.00 0.00 0.00 0.00 0.00 0.00 -543.43 0.00 1630.28 0.00 0.00 0.00 - 1086.85 0.00 1358.57 2173.71 0.00 1358.57 0.00 0.00 0.00 22
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 - 108685.33 0.00 0.00 108685.33 0.00 0.00 0.00 0.00 23
0. 00 1630. 28 0.00 0.00 0.00 3260. 56 0.00 0. 00 0.00 0.00 0.00 0.00 -1630. 28 0. 00 3260.56 0.00 0. 00 0.00 -1358.57 0. 00 1132.14 1358. 57 0.00 15306.52 0.00 0.00 0. 00 24
-628.97 0.00 0.00 -943.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 628.97 0.00 -943.45 25
0.00 0.00 -90571.10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 90571.10 0.00 26
943.45 0.00 0.00 943.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 - 943.45 0.00 1886.90 27
[K]P=
MATRIZ DE RIGIDEZ DEL PORTICO [k]i
AHORA HALLAMOS LA MATRIZ DE TRANSFORMACIÓN [R] PARA CONDENSAR:
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Nuestra matriz final:
= . −1
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ANALISIS ESTRUCTURAL DEL PÓRTICO 6(EJE C)
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DATOS:
HALLAMOS LOS k DE CADA ELEMENTO
Para las columnas 1 y 2
90571.1047 0 0 -90571.10466 0 0
0 628.966005 943.449007 0 -628.9660046 943.449007
[k]1, 2= 0 943.449007 1886.89801 0 -943.4490069 943.449007
-90571.104 0 0 90571.10466 0 0
0 -628.96605 -943.44900 0 628.9660046 -943.44900
0 943.449007 943.449007 0 -943.4490069 1886.89801
Para la viga 3
1 8 9 1 2 3
0 0 0 0 0 0 1
0 543.426628 1630.27988 0 -543.426628 1630.27988 8
[k]3=[k]*3= 0 1630.27988 6521.11954 0 -1630.279884 3260.55977 9
0 0 0 0 0 0 1
0 -543.4266 -1630.279 0 543.4266 -1630.279 2
0 1630.27988 3260.55977 0 -1630.279884 6521.11954 3
MATRIZ DE TRANFORMACION [R]i
Para la columna 1 y 2 0 1 0 0 0 0
-1 0 0 0 0 0
[R]1 y 2= 0 0 1 0 0 0
0 0 0 0 1 0
0 0 0 -1 0 0
0 0 0 0 0 1
MATRIZ DE RIGIDEZ DEL ELEMENTO [k*]i
f'c= 210 kg/cm2
E= 2173706.51
columna h= 0.25 viga b= 0.25 ANGULO INERCIA
b= 0.5 h= 0.6 0 0.00065104
AREA= 0.125 m2 AREA= 0 m2 0.00260417
INERCIA= 0.00065104 m4 INERCIA= 0.0045 m4
AE= 271713.314 AE= 0
EI= 1415.17351 EI= 9781.679304
L (colum)= 3 L (vigas)= 6
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De cada elemento
4 5 6 1 8 9
628.966005 0 -943.4490 -628.9660046 0 -943.4490 4
0 90571.1047 0 0 -90571.10466 0 5
[k]*1= -943.4490 0 1886.89801 943.4490069 0 943.449007 6
-628.9660 0 943.449007 628.9660046 0 943.449007 1
0 -90571.10 0 0 90571.10466 0 8
-943.4490 0 943.449007 943.4490069 0 1886.89801 9
10 11 12 1 2 3
628.966005 0 -943.4490 -628.96606 0 -943.4490 100 90571.1047 0 0 -90571.10466 0 11
[k]*2= -943.44900 0 1886.89801 943.4490069 0 943.449007 12
-628.9660 0 943.449007 628.9660046 0 943.449007 1
0 -90571.104 0 0 90571.10466 0 2
-943.44900 0 943.449007 943.4490069 0 1886.89801 3
ENSAMBLAMOS LAS COORDENADAS LIBRES
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Nuestra matriz final:
1 2 3 7 8
1257.93201 0 943.449 0 943.449 1
0 90571.1047 -1630.28 -543.427 -1630.28 2
K= 943.449 -1630.28 8408.109 1630.28 3260.56 3
0 -543.427 1630.28 91114.5313 1630.28 7
943.449 -1630.28 3260.56 1630.28 8408.018 8
Kp= 1103.833
[] = [] [] . []−1[]