Metodo de Rigidez

ANALISIS ESTRUCTURAL II PROBLEMAS POR EL MÉTODO DE RIGIDEZ Problema 1 T2 ø 12 T/m K2 30 T-m K3 T1 20 T T 3 4.0 K1

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ANALISIS ESTRUCTURAL II

PROBLEMAS POR EL MÉTODO DE RIGIDEZ Problema 1

T2 ø

12 T/m

K2 30 T-m

K3

T1 20 T

T 3 4.0 K1 4.0

2.0

2.0

DATOS: 𝐸 = 2 ∗ 106 𝑇/𝑚2

𝑏 ∗ ℎ = 0.3 ∗ 0.3 𝑚2

𝐾1 = 1000 𝑇/𝑚

𝐾2 = 2000 𝑇/𝑚

𝐾3 = 1000 𝑇 − 𝑚/𝑟𝑎𝑑

𝛼 = 10−5 °𝐶 −1

∆𝑇1 = 1000 °𝐶

∆𝑇2 = 2000 °𝐶

∆= 0.01 𝑚

∅ = 0.02 𝑟𝑎𝑑

∆𝑇3 = 3000 °𝐶

4√2 cm A

3√2

√2

B

Hallar: −𝐷𝑀𝐹 −𝑀𝐴 𝑅𝑉𝐷 SOLUCION 1) Definimos Q – D Y q – d 2 6

5

3

1

1

2

1 2

2

1 3

1

Q-D

4

q-d

1

4

4

AGUEDO TORRES ALEXANDER

2

3 1

5

6

UNASAM-FIC

ANALISIS ESTRUCTURAL II

2) Resolvemos el problema primario. 

Para cargas externas.

RL 2 12 T/m

12 T/m

30 T-m N1

RL1 B N2 4 4 12 12

4 12

32

C

4 12

4

4

12

32 D

12

RL

10

2

14

20 T

2

E

A

10 AR1

RL 4

10 AR2

NUDO B B

N2

N1 20 + 12

∑ 𝑭𝒀 = 𝟎 𝑵𝟏 = −𝟑𝟐√𝟐 ∑ 𝑭𝑿 = 𝟎 𝑵𝟐 = −𝟑𝟐

−34 26 𝑅𝐿 = { } −32 0

0 𝐴𝑅𝐿 = { } 10

AGUEDO TORRES ALEXANDER

𝐴𝑀𝐿

0 0 −4 0 = 0 0 0 0 {0}

UNASAM-FIC

ANALISIS ESTRUCTURAL II 

Por temperatura

R T2 B 45

R T1 90 45

90

90

90

135

90

135 D 22.5

C 22.5 22.5

45

R T3

22.5 135

45

135

E

A

22.5 135

45 AP1

R T4

22.5 AP 2

45 22.5 𝑅𝑇 = { } 0 0



−45 𝐴𝑅𝑇 = { } −22.5

𝐴𝑀𝑇

45 −45 90 −135 = −135 135 0 0 { 0 }

Por deformación previa.

RP2 B N1 6.39

R P1 N2

C

9.56

9.56 D

RP

6.76 6.76

31.83 6.76 E

A 31.83

RP4

AR1 AR2

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II

NUDO B

B

N2

N1 6.76 ∑ 𝑭𝒀 = 𝟎 𝒄𝒐𝒔(𝟒𝟓) ∗ 𝑵𝟏 = −𝟔. 𝟕𝟔 ∗ 𝒄𝒐𝒔(𝟒𝟓) 𝑵𝟏 = −𝟔. 𝟕𝟔 ∑ 𝑭𝑿 = 𝟎 𝑵𝟐 = −𝟔. 𝟕𝟔 ∗ √𝟐 𝑵𝟐 = 𝟗. 𝟓𝟔

6.39 0 𝑅𝑃 = { } −9.56 0



−31.83 𝐴𝑅𝑃 = { } 0

𝐴𝑀𝑃

31.83 6.39 0 0 = 0 0 0 0 { 0 }

Por asentamiento de apoyo. R R2

R R1

0.02

R R3

R R4

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II

60

R R2

20 20.25 R R1 B N2 N1

20.25

60 20.25

C 20.25

20.25

40.13

60

D R R3 40.13

40.13

20.25 20.25 40.13 20.25

E

A

40.13 AR1

60

R R4

40.13 AR2

20.25 60.38 𝑅𝑅 = { } 40.25 0

0 𝐴𝑅𝑅 = { } −40.13

𝐴𝑀𝑅

0 0 20.25 −60 = 0 0 0 20 { 60 }

𝑹 = 𝑹𝑳 + 𝑹𝑻 + 𝑹𝑷 + 𝑹𝑹 𝑸 = −𝑹

−34 6.39 45 20.25 26 0 22.5 60.38 𝑅={ }+ { }+{ }+{ } −32 −9.56 0 40.25 0 0 0 0 37.64 10.88 𝑅={ } −1.31 0

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II

−37.64 −108.88 𝑄={ } 1.31 0 3) Hallamos 𝑨: 𝒅 = 𝑨 𝑫

𝑫𝟏 = 𝟏

𝑫𝟑 = 𝟏

𝑫𝟐 = 𝑫𝟑 = 𝑫𝟒 = 𝟎

𝑫𝟐 = 𝟏

𝑫𝟏 = 𝑫𝟐 = 𝑫𝟒 = 𝟎

𝑨=

0 1 1 0 0 0 0 0 0

AGUEDO TORRES ALEXANDER

𝑫𝟒 = 𝟏

0 0 0 0.5 0 0.5 0 0 0.5

-0.25 -0.25 0.25 0.25 -0.25 -0.25 0 1 0

𝑫𝟏 = 𝑫𝟑 = 𝑫𝟒 = 𝟎

𝑫𝟏 = 𝑫𝟐 = 𝑫𝟑 = 𝟎

0 0 0 0.25 0.25 0 1 0 0

UNASAM-FIC

ANALISIS ESTRUCTURAL II

4) Hallamos 𝑲𝑬 : 2

𝑲𝟏 =

𝟐𝑬𝑰 𝟐 [ 𝑳 𝟏

𝑲𝟏 = [

𝟏 ] 𝟐

; 𝑬𝑰 = 𝟏𝟑𝟓𝟎 ; 𝑳 = 𝟒√𝟐

𝟗𝟓𝟒. 𝟓𝟗 𝟒𝟕𝟕. 𝟑𝟎 ] 𝟒𝟕𝟕. 𝟑𝟎 𝟗𝟓𝟒. 𝟓𝟗

1 2

𝟐 𝟒 𝑲𝟐 = 𝑬𝑰 [ ] 𝟒 𝟏𝟒

𝑲𝟐 = [

𝑲𝟑 =

𝟐𝟕𝟎𝟎 𝟓𝟒𝟎𝟎 ] 𝟓𝟒𝟎𝟎 𝟏𝟖𝟗𝟎𝟎

𝟐𝑬𝑰 𝟐 [ 𝑳 𝟏

𝑲𝟑 = [

; 𝑬𝑰 = 𝟏𝟑𝟓𝟎 ;

𝟏 ] 𝟐

; 𝑬𝑰 = 𝟏𝟑𝟓𝟎 ; 𝑳 = 𝟒

𝟏𝟑𝟓𝟎 𝟔𝟕𝟓 ] 𝟔𝟕𝟓 𝟏𝟑𝟓𝟎

𝑲𝟒 = [𝟏𝟎𝟎𝟎] 𝑲𝟓 = [𝟐𝟎𝟎𝟎] 𝑲𝟓 = [𝟑𝟎𝟎𝟎]

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II

954.59 477.30 0 0 0 0 0 0 0

𝑲𝑬 =

477.30 954.59 0 0 0 0 0 0 0

0 0 2700 5400 0 0 0 0 0

0 0 5400 18900 0 0 0 0 0

0 0 0 0 1350 675 0 0 0

0 0 0 0 675 1350 0 0 0

0 0 0 0 0 0 0 0 0 0 0 0 1000 0 0 2000 0 0

0 0 0 0 0 0 0 0 3000

5) Hallamos 𝑲: 𝑲 = 𝑨𝑻 𝑲𝑬 𝑨 954.59

477.30

0

0

0

0

0

0

0

0

0

-0.25

477.30

954.59

0

0

0

0

0

0

0

1

0

-0.25

0 0

0

1

1

0

0

0

0

0

0

0

0

2700

5400

0

0

0

0

0

1

0

0.25

0

0

0

0

0.5

0

0.5

0

0

0.5

0

0

5400

18900

0

0

0

0

0

0

0.5

0.25

0.25

-0.25

-0.25

0.25

0.25

-0.25

-0.25

0

1

0

0

0

0

0

1350

675

0

0

0

0

0

-0.25

0.25

0

0

0

0.25

0.25

0

1

0

0

0

0

0

0

675

1350

0

0

0

0

0.5

-0.25

0

0

0

0

0

0

0

1000

0

0

0

0

0

1

0

0

0

0

0

0

0

2000

0

0

0

1

0

0

0

0

0

0

0

0

0

3000

0

0.5

0

0

𝑲=

𝑲=

3654.59 2700.00 1667.03 1350.00

2700.00 5812.50 2784.38 2446.88

1667.03 2784.38 4457.11 1392.19

1350.00 2446.88 1392.19 2265.63

6) Hallamos 𝑫: 𝑸=𝑲𝑫 𝑫 = 𝑲−𝟏 𝑸

𝑲−𝟏

0.000429734 -0.000149479 = -4.67668E-05 -6.58873E-05

-0.00014948 0.000420401 -0.00011475 -0.00029446

AGUEDO TORRES ALEXANDER

-4.67668E-05 -6.5887E-05 -0.000114745 -0.00029446 0.000329332 -5.0577E-05 -5.05773E-05 0.00082973

UNASAM-FIC

ANALISIS ESTRUCTURAL II

0.000429734 -0.000149479 𝑫= -4.67668E-05 -6.58873E-05

-0.00014948 0.000420401 -0.00011475 -0.00029446

-6.5887E-05 -0.00029446 -5.0577E-05 0.00082973

-4.67668E-05 -0.000114745 0.000329332 -5.05773E-05

-37.64 -108.88 1.31 0

0 -0.040 0.015 0.034

𝑫=

7) Hallamos 𝑨𝑴 : 𝑨𝑴 = 𝒒𝒑𝒓𝒊𝒎𝒂𝒓𝒊𝒐 + 𝒒𝒄𝒐𝒎𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒊𝒐 𝑨𝑴 = 𝑨𝑴𝑳 + 𝑨𝑴𝑻 + 𝑨𝑴𝑷 + 𝑨𝑴𝑹 + 𝑲𝑬 ∗ 𝒅 𝑨𝑴 = 𝑨𝑴𝑳 + 𝑨𝑴𝑻 + 𝑨𝑴𝑷 + 𝑨𝑴𝑹 + 𝑲𝑬 ∗ 𝑨 ∗ 𝑫 𝒒𝒑𝒓𝒊𝒎𝒂𝒓𝒊𝒐 = 𝑨𝑴𝑳 + 𝑨𝑴𝑻 + 𝑨𝑴𝑷 + 𝑨𝑴𝑹 𝒒𝒄𝒐𝒎𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒊𝒐 = 𝑲𝑬 ∗ 𝑨 ∗ 𝑫

𝒒𝒑𝒓𝒊𝒎𝒂𝒓𝒊𝒐 =

𝒒𝒄𝒐𝒎𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒊𝒐 =

0 0 -4 0 0 0 0 0 0

+

45 -45 90 -135 -135 135 0 0 0

31.83 6.39 0 0 0 0 0 0 0

+

0 0 20.25 -60 0 0 0 20 60

+

=

954.59

477.30

0

0

0

0

0

0

0

0

477.30

954.59

0

0

0

0

0

0

0

0

0

2700

5400

0

0

0

0

0

0

5400

18900

0

0

0

0

0

0

0

1350

675

0

0

0

0

675

0

0

0

0

0

0

0

0

0

0

0

0

0

AGUEDO TORRES ALEXANDER

76.83 -38.61 106.25 -195 -135 135 0 20 60 0

0

-0.25

1

0

-0.25

0

0

1

0

0.25

0

4E-05

0

0

0

0.5

0.25

0.25

-0.04

0

0

0

0

0

-0.25

0.25

0.015

1350

0

0

0

0

0.5

-0.25

0

0.034

0

1000

0

0

0

0

0

1

0

0

0

2000

0

0

0

1

0

0

0

0

0

3000

0

0.5

0

0

UNASAM-FIC

ANALISIS ESTRUCTURAL II

𝒒𝒄𝒐𝒎𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒊𝒐 =

-5.24 -5.22 -32.42 -128.50 -9.40 -28.82 34.47 29.37 -60.45

𝑨𝑴 = 𝒒𝒑𝒓𝒊𝒎𝒂𝒓𝒊𝒐 + 𝒒𝒄𝒐𝒎𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒊𝒐

𝑨𝑴 =

76.83 -38.61 106.25 -195 -135 135 0 20 60

+

𝑨𝑴 =

AGUEDO TORRES ALEXANDER

-5.24 -5.22 -32.42 -128.50 -9.40 -28.82 34.47 29.37 -60.45

=

71.59 -43.83 73.83 -323.50 -144.40 106.18 34.47 49.37 -0.45

71.59 -43.83 73.83 -323.50 -144.40 106.18 34.47 49.37 -0.45

UNASAM-FIC

ANALISIS ESTRUCTURAL II

Problema 02:

K2

2.0

9 T/m

Rotula B

A

E

K1

T 20 T

5

m T/

T C

D 4

2

4

ø

(DE) Barra tipo armadura 𝐸 = 2 ∗ 105 𝑇/𝑚2

𝐴 = 10 𝑐𝑚2

DATOS: 𝐸 = 2 ∗ 106 𝑇/𝑚2

𝑏 ∗ ℎ = 0.3 ∗ 0.3 𝑚2

𝐾1 = 1000 𝑇/𝑚

𝐾2 = 2000 𝑇 − 𝑚/𝑟𝑎𝑑

𝛼 = 10−5 °𝐶 −1

∆𝑇 = 1000 °𝐶

∆= 0.01 𝑚

∅ = 0.02 𝑟𝑎𝑑

0.075 ∗ √2 cm

C 1.5√2

2.5√2

Hallar: −𝐷𝑀𝐹 −𝑀𝐴 𝑀𝐶

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II

SOLUCION 1)

Definimos Q – D Y q – d 5 1 1

A

B 1

1

E 4

2

2

2

1

1

2

2

3

1 1 1

3

Q-D

C

D

4

q-d

2)

Resolvemos el problema primario.  Para cargas externas. RL1 9 T/m

9 T/m A AR1

9

3

3

9

9

B 3 10 2

5

E

3 9

RL 2 20 T

m T/

RL 3

10 2

C

D

AR

𝟗 𝑹𝑳 = {𝟐𝟖} 𝟎

𝟑 𝑨𝑹𝑳 = { } 𝟎

𝑨𝑴𝑳

−𝟑 𝟐𝟖 𝟎 = 𝟎 −𝟏𝟎√𝟐 𝟎 { 𝟎 }

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II 

Por temperatura R T1 B

A 45

45

AR1 45

E

45 2

R T2

2 R T3 2 45

C

D

AR2 45

BARRA TIPO ARMADURA 𝑃𝐿



𝛼∆𝑇𝐿 = 𝐸𝐴

𝑃 = 𝐸𝐴𝛼∆𝑇

𝑃 = 2 ∗ 105 ∗ 10−3 ∗ 10−5 ∗ 103 𝑃 =2𝑇 𝑅𝑇2 = 45 − 2 ∗ √2 = 42.17 BARRA 1 Y 2 Barra doblemente empotrada 𝑀1 = 𝑀2 = 𝑀=

𝛼𝐸𝐼∆𝑇 ℎ

10−5 ∗ 1350 ∗ 1000 = 45 0.3

0 𝑅𝑇 = {42.17} 45

45 𝐴𝑅𝑇 = { } −45

AGUEDO TORRES ALEXANDER

𝐴𝑀𝑇

−45 42.17 45 = 45 −2 0 { 0 }

UNASAM-FIC

ANALISIS ESTRUCTURAL II 

Por deformación previa.

R P1 B

A

E RP2

AR1

33.41

R P3 4.78

C

D

AR 4.78

PARA LA BARRA 2

23.86

47.73

28.64

14.32

𝑴′𝟏 =

𝟒𝑬𝑰 𝟒 ∗ 𝟏𝟑𝟓𝟎 ∗∅ = ∗ 𝟎. 𝟎𝟓 = 𝟒𝟕. 𝟕𝟑 𝑳 𝟒√𝟐

𝑴′𝟐 =

𝟐𝑬𝑰 𝟐 ∗ 𝟏𝟑𝟓𝟎 ∗∅ = ∗ 𝟎. 𝟎𝟓 = 𝟐𝟑. 𝟖𝟔 𝑳 𝟒√𝟐

𝑴′′ 𝟏 =

𝟒𝑬𝑰 𝟐 ∗ 𝟏𝟑𝟓𝟎 ∗∅= ∗ 𝟎. 𝟎𝟑 = 𝟏𝟒. 𝟑𝟐 𝑳 𝟒√𝟐

𝑴′′ 𝟐 =

𝟐𝑬𝑰 𝟒 ∗ 𝟏𝟑𝟓𝟎 ∗∅= ∗ 𝟎. 𝟎𝟑 = 𝟐𝟖. 𝟔𝟒 𝑳 𝟒√𝟐

0 𝑅𝑃 = { 0 } −33.41

0 𝐴𝑅𝑃 = { } 4.78

AGUEDO TORRES ALEXANDER

𝐴𝑀𝑃

0 0 33.41 = −4.78 0 0 { 0 }

UNASAM-FIC

ANALISIS ESTRUCTURAL II 

Por asentamiento de apoyo. R R1 B

A

E R R2

=0.01

R R3

C

D

ø

R R1 B

A

E R R2

10

AR1

9.55 R R3 19.09

C

D

AR2

10 𝑅𝑅 = { 0 } 9.55

0 𝐴𝑅𝑅 = { } 19.09

𝐴𝑀𝑅

0 0 −9.55 = −19.09 0 0 { 0 }

𝑹 = 𝑹𝑳 + 𝑹𝑻 + 𝑹𝑷 + 𝑹𝑹 𝑸 = −𝑹

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II

𝟗 𝟎 𝟎 𝟏𝟎 𝑹 = {𝟐𝟖} + {𝟒𝟐. 𝟏𝟕} + { 𝟎 } + { 𝟎 } 𝟎 𝟒𝟓 −𝟑𝟑. 𝟒𝟏 𝟗. 𝟓𝟓 𝟏𝟗 𝑹 = {𝟕𝟎. 𝟏𝟕} 𝟐𝟏. 𝟏𝟒 −𝟏𝟗 𝑸 = {− 𝟕𝟎. 𝟏𝟕 } −𝟐𝟏. 𝟏𝟒

3)

Hallamos 𝑨: 𝒅 = 𝑨 𝑫 𝑫𝟏 = 𝟏

𝑫𝟐 = 𝑫𝟑 = 𝟎

𝑫𝟐 = 𝟏

𝑫𝟏 = 𝑫𝟑 = 𝟎

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II

𝑫𝟑 = 𝟏

-0.25 0 -0.25 1 0 0 0 0 A= 0 1.41 1 0 0 1 4)

𝑫𝟏 = 𝑫𝟐 = 𝟎

0 0 -1 0 0 0 1

Hallamos 𝑲𝑬 : 1 2

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II 𝟐 𝟒 𝑲𝟏 = 𝑬𝑰 [ ] 𝟒 𝟏𝟒 𝑲𝟏 = [

; 𝑬𝑰 = 𝟏𝟑𝟓𝟎

𝟐𝟕𝟎𝟎 𝟓𝟒𝟎𝟎 ] 𝟓𝟒𝟎𝟎 𝟏𝟖𝟗𝟎𝟎 2

𝑲𝟐 =

𝟐𝑬𝑰 𝟐 [ 𝑳 𝟏

𝑲𝟐 = [

𝟏 ] 𝟐

; 𝑬𝑰 = 𝟏𝟑𝟓𝟎 ; 𝑳 = 𝟒√𝟐

𝟗𝟓𝟒. 𝟓𝟗 𝟒𝟕𝟕. 𝟑𝟎 ] 𝟒𝟕𝟕. 𝟑𝟎 𝟗𝟓𝟒. 𝟓𝟗 𝑬𝑨

𝑲𝟑 = [ ] 𝑳

; 𝑬𝑨 = 𝟐𝟎𝟎 ; 𝑳 = 𝟒√𝟐

𝑲𝟑 = [𝟐𝟓√𝟐] 𝑲𝟒 = [𝟏𝟎𝟎𝟎] 𝑲𝟓 = [𝟐𝟎𝟎𝟎] 2700 5400 0 0 0 0 0

KE =

5)

5400 18900 0 0 0 0 0

0 0 954.59 477.30 0 0 0

0 0 477.30 954.59 0 0 0

0 0 0 0 0 0 0 0 0 0 0 0 35.36 0 0 0 1000 0 0 0 2000

Hallamos 𝑲:

𝑲 = 𝑨𝑻 𝑲𝑬 𝑨

K=

2700

5400

0

0

0

0

0

-0.25

0

0

5400

18900

0

0

0

0

0

-0.25

1

0

0

0

0

1

0

0

0

954.59

477.30

0

0

0

0

0

-1

1

0

0

1.41

0

1

0

0

477.30

954.59

0

0

0

0

0

0

0

-1

0

0

0

1

0

0

0

0

35.36

0

0

0

1.41

0

0

0

0

0

0

1000

0

1

0

0

0

0

0

0

0

0

2000

0

1

1

-0.25

-0.25

0 0

K=

3025 -6075 0

AGUEDO TORRES ALEXANDER

-6075 20970.71 2000

0 2000 2954.59

UNASAM-FIC

ANALISIS ESTRUCTURAL II

6) Hallamos 𝑫: 𝑸=𝑲𝑫 𝑫 = 𝑲−𝟏 𝑸

K¯ˡ=

0.00087 0.00027 -0.00018

0.00027 -0.00018 0.00013 -0.00009 -0.00009 0.00040

D=

0.00087 0.00027 -0.00018

0.00027 -0.00018 0.00013 -0.00009 -0.00009 0.00040

D=

-19 -70.17 -21.14

-0.0317 -0.0127 0.0014

7) Hallamos 𝑨𝑴 : 𝑨𝑴 = 𝒒𝒑𝒓𝒊𝒎𝒂𝒓𝒊𝒐 + 𝒒𝒄𝒐𝒎𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒊𝒐 𝑨𝑴 = 𝑨𝑴𝑳 + 𝑨𝑴𝑻 + 𝑨𝑴𝑷 + 𝑨𝑴𝑹 + 𝑲𝑬 ∗ 𝒅 𝑨𝑴 = 𝑨𝑴𝑳 + 𝑨𝑴𝑻 + 𝑨𝑴𝑷 + 𝑨𝑴𝑹 + 𝑲𝑬 ∗ 𝑨 ∗ 𝑫 𝒒𝒑𝒓𝒊𝒎𝒂𝒓𝒊𝒐 = 𝑨𝑴𝑳 + 𝑨𝑴𝑻 + 𝑨𝑴𝑷 + 𝑨𝑴𝑹 -3 28 0

qprimario=

-45 42.17 45

0

+

45

-14.14 0 0

qcomp.=

0 0 33.41 +

-2 0 0

-4.78

0 0 -9.55 +

0 0 0

-19.09 0 0 0

-48.00 70.17 68.86 =

21.13 -16.14 0.00 0.00

2700 5400 0

5400 18900 0

0 0 0 0 954.59 477.30

0 0 0

0 0 0

0 0 0

-0.25 -0.25 0

0 1 0

0 0 -1

-0.0317

0

0

477.30 954.59

0

0

0

0

0

0

-0.0127

0 0 0

0 0 0

0 1 0

1.41 0 1

0 0 1

0.0014

0 0 0

0 0 0

AGUEDO TORRES ALEXANDER

35.36 0 0 0 1000 0 0 0 2000

UNASAM-FIC

ANALISIS ESTRUCTURAL II

-4.182 -46.773 -1.361 qcomp.=

-0.681 -0.634 -31.739 -22.501

𝑨𝑴 = 𝒒𝒑𝒓𝒊𝒎𝒂𝒓𝒊𝒐 + 𝒒𝒄𝒐𝒎𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒊𝒐 -52.182 23.397 67.499 AM=

20.449 -16.776 -31.739 -22.501

AGUEDO TORRES ALEXANDER

UNASAM-FIC

ANALISIS ESTRUCTURAL II

8) Hallamos 𝑨𝑹 : 𝐴𝑅 = 𝑟𝑃 + 𝑟𝐶 𝐴𝑅 = 𝐴𝑅𝐿 + 𝐴𝑅𝑇 + 𝐴𝑅𝑃 + 𝐴𝑅𝑅 + 𝐴𝑅𝐷 𝐷 rp=

3 0

+

45 0 0 + + -45 4.78 19.09

2025 0

ARD=

-5400 0

=

48 -21.13

0 477.3 -0.0317

ARD .D=

2025 0

-5400 0

0 477.3

-0.0127

=

4.182 0.681

0.0014

AR=

52.182 -20.449

AGUEDO TORRES ALEXANDER

UNASAM-FIC