Categories: Third Year First Semester (3-1)

|”|”|||”|”’|||’|

Code No: RT31012

III B. Tech I Semester Supplementary Examinations, May-2018

STRUCTURAL ANALYSIS ? II (Civil Engineering)Time: 3 hours Max. Marks: 70

Note: 1. Question Paper consists of two parts (Part-A and Part-B) 2. Answering the question in Part-A is compulsory

3. Answer any THREE Questions from Part-B

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

PART ?A

1 a) State Eddy?s theorem. [3M]

b) Write the basic assumptions of analysis in Cantilever method when lateral loads

applied on the structure.

[4M]

c) Write an expression to find maximum tension , horizontal and vertical reactions of

three hinged stiffened girder in suspension bridge.

[4M]

d) Define rotational stiffness factor and carryover factor in moment distribution

method.

[4M]

e) Differentiate between stiffness and flexibility matrix method of analysis. [3M]

f) Determine support moments at A and C by Kani?s method for the following fig.

[4M]

PART -B

2 a) Determine the horizontal thrust and draw bending moment diagram, shear force

diagram and find normal thrust at point ?D? of three hinged parabolic arch ACB as

shown in fig.:

[12M]

b) Differentiate between three hinged and two hinged arches. [4M]

3 a) What are the limitations in Cantilever method of approximate analysis? [4M]

b) Analyze the two storey rigid moment resisting frame shown in fig. by Cantilever

method. Draw the BMD and SFD. Assume uniform flexural rigidity of beams and

columns.

1 of 3

[12M]

R13

SET – 1

|”|”|||”|”’|||’|

Code No: RT31012

III B. Tech I Semester Supplementary Examinations, May-2018

STRUCTURAL ANALYSIS ? II (Civil Engineering)Time: 3 hours Max. Marks: 70

Note: 1. Question Paper consists of two parts (Part-A and Part-B) 2. Answering the question in Part-A is compulsory

3. Answer any THREE Questions from Part-B

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

PART ?A

1 a) State Eddy?s theorem. [3M]

b) Write the basic assumptions of analysis in Cantilever method when lateral loads

applied on the structure.

[4M]

c) Write an expression to find maximum tension , horizontal and vertical reactions of

three hinged stiffened girder in suspension bridge.

[4M]

d) Define rotational stiffness factor and carryover factor in moment distribution

method.

[4M]

e) Differentiate between stiffness and flexibility matrix method of analysis. [3M]

f) Determine support moments at A and C by Kani?s method for the following fig.

[4M]

PART -B

2 a) Determine the horizontal thrust and draw bending moment diagram, shear force

diagram and find normal thrust at point ?D? of three hinged parabolic arch ACB as

shown in fig.:

[12M]

b) Differentiate between three hinged and two hinged arches. [4M]

3 a) What are the limitations in Cantilever method of approximate analysis? [4M]

b) Analyze the two storey rigid moment resisting frame shown in fig. by Cantilever

method. Draw the BMD and SFD. Assume uniform flexural rigidity of beams and

columns.

1 of 3

[12M]

R13

SET – 1

|”|”|||”|”’|||’|

Code No: RT31012

4 a) A three hinged stiffened girder (ACB) of suspension bridge span 120m subjected

to two point loads 240kN and 340kN as shown in fig. Find Bending moment at

40m from left end. Assume supporting cable has central dip 12m. Find the

maximum tension in the cable and draw bending moment diagram for the girder.

[8M]

b) A two hinged stiffened girder span 100m and central dip 10m is subjected to two

point loads 200kN and 400kN at 20m and 80m from left support respectively. Find

the Shear force and Bending moment at 25m from left end. Also find the

maximum tension in the cable.

[8M]

5 a) Analyze the continuous beam shown in fig. by moment distribution method.

Assume E=2×10

5

MPa and I=10

8

mm

4

.

[10M]

b) Write about stiffness and carry over factors of moment distribution method.

[6M]

6 a) Analyze the continuous beam shown in fig. by Kani?s method. Assume E=2×10

5

MPa and I=10

8

mm

4

[8M]

b) Analyze the frame shown in fig. by Kani?s method

2 of 3

[8M]

R13

SET – 1

|”|”|||”|”’|||’|

Code No: RT31012

III B. Tech I Semester Supplementary Examinations, May-2018

STRUCTURAL ANALYSIS ? II (Civil Engineering)Time: 3 hours Max. Marks: 70

Note: 1. Question Paper consists of two parts (Part-A and Part-B) 2. Answering the question in Part-A is compulsory

3. Answer any THREE Questions from Part-B

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

PART ?A

1 a) State Eddy?s theorem. [3M]

b) Write the basic assumptions of analysis in Cantilever method when lateral loads

applied on the structure.

[4M]

c) Write an expression to find maximum tension , horizontal and vertical reactions of

three hinged stiffened girder in suspension bridge.

[4M]

d) Define rotational stiffness factor and carryover factor in moment distribution

method.

[4M]

e) Differentiate between stiffness and flexibility matrix method of analysis. [3M]

f) Determine support moments at A and C by Kani?s method for the following fig.

[4M]

PART -B

2 a) Determine the horizontal thrust and draw bending moment diagram, shear force

diagram and find normal thrust at point ?D? of three hinged parabolic arch ACB as

shown in fig.:

[12M]

b) Differentiate between three hinged and two hinged arches. [4M]

3 a) What are the limitations in Cantilever method of approximate analysis? [4M]

b) Analyze the two storey rigid moment resisting frame shown in fig. by Cantilever

method. Draw the BMD and SFD. Assume uniform flexural rigidity of beams and

columns.

1 of 3

[12M]

R13

SET – 1

|”|”|||”|”’|||’|

Code No: RT31012

4 a) A three hinged stiffened girder (ACB) of suspension bridge span 120m subjected

to two point loads 240kN and 340kN as shown in fig. Find Bending moment at

40m from left end. Assume supporting cable has central dip 12m. Find the

maximum tension in the cable and draw bending moment diagram for the girder.

[8M]

b) A two hinged stiffened girder span 100m and central dip 10m is subjected to two

point loads 200kN and 400kN at 20m and 80m from left support respectively. Find

the Shear force and Bending moment at 25m from left end. Also find the

maximum tension in the cable.

[8M]

5 a) Analyze the continuous beam shown in fig. by moment distribution method.

Assume E=2×10

5

MPa and I=10

8

mm

4

.

[10M]

b) Write about stiffness and carry over factors of moment distribution method.

[6M]

6 a) Analyze the continuous beam shown in fig. by Kani?s method. Assume E=2×10

5

MPa and I=10

8

mm

4

[8M]

b) Analyze the frame shown in fig. by Kani?s method

2 of 3

[8M]

R13

SET – 1

|”|”|||”|”’|||’|

Code No: RT31012

7 a) Analyze the continuous beam shown in fig. by Flexibility method. Assume down

ward settlement at B and C are 10mm and 5mm respectively. And uniform

flexural rigidity of beam AB and BC= EI=18×10

11

N-mm

2

.

[8M]

b) Analyze the continuous beam shown in fig. by Stiffness method. Assume uniform

flexural rigidity of beam AB and BC= EI=12×10

11

N-mm

2

.

[8M]

*****

3 of 3

R13

SET – 1

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