Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 4th Sem Old 140603 Structural Analysis Ii Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV (OLD) EXAMINATION ? WINTER 2018
Subject Code:140603 Date: 10/12/2018
Subject Name: Structural Analysis-II
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Distinguish between : Pre-tensioning and Post tensioning 07
(b) Define strain energy. State and Prove Castigliano?s first theorem. 07
Q.2 (a) Calculate fixed end moments and draw B.M. and S.F. diagrams for a fixed beam
AB of span 4m and subjected to udl of 25 kN/m over the entire span.
07
(b) Calculate vertical displacement of point C for a rigid cantilever frame shown in
Fig. 1. E =2 x 10
5
N/mm
2
and I = 3 x 10
8
mm
4
.
07
OR
(b) Calculate horizontal displacement of point C for a rigid cantilever frame shown
in Fig. 1. E =2 x 10
5
N/mm
2
and I = 3 x 10
8
mm
4
.
07
Q.3 (a) List causes of side sway for portal frame. 04
(b) Using Moment Distribution method find support moments and draw B.M. and
S.F. diagrams for the continuous beam shown in Fig. 2
10
OR
Q.3 (a) Explain (i) Carry over factor (ii) Distribution Factor 04
(b) Analyse the beam shown in Fig. 3 by consistent deformation method. Draw shear
force and bending moment diagram. EI = constant.
10
Q.4 (a) Advantages and disadvantages of fixed beam. 04
(b) A continuous beam ABC is having spans AB and BC of length 4m and 3m,
respectively. Span AB is subjected to udl of 60 kN/m while span BC is subjected
to udl of 80 kN/m respectively. Consider support system at A, B and C is roller
(simply) support. Find the support moments and draw B.M. and S.F. diagrams.
10
OR
Q.4 (a) Explain Muller-Breslau principle. 04
(b) Using Slope Deflection method, determine the support moments and reactions
for the continuous beam shown in Fig. 4. Draw B.M. and S.F. diagrams.
10
Q.5 (a) State and explain Clapeyron?s theorem of three moments. 04
(b) Using Kani?s Method, determine the moments at A, B, C, D for the portal frame
as shown in Fig. 5
10
OR
Q.5 (a) List losses in prestressing. 04
(b) Draw influence line diagram for propped cantilever beam AB of length 12 m for
(i) Reaction at fixed end (Va) (ii) Reaction at propped end (Vb)
10
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
www.FirstRanker.com
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV (OLD) EXAMINATION ? WINTER 2018
Subject Code:140603 Date: 10/12/2018
Subject Name: Structural Analysis-II
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Distinguish between : Pre-tensioning and Post tensioning 07
(b) Define strain energy. State and Prove Castigliano?s first theorem. 07
Q.2 (a) Calculate fixed end moments and draw B.M. and S.F. diagrams for a fixed beam
AB of span 4m and subjected to udl of 25 kN/m over the entire span.
07
(b) Calculate vertical displacement of point C for a rigid cantilever frame shown in
Fig. 1. E =2 x 10
5
N/mm
2
and I = 3 x 10
8
mm
4
.
07
OR
(b) Calculate horizontal displacement of point C for a rigid cantilever frame shown
in Fig. 1. E =2 x 10
5
N/mm
2
and I = 3 x 10
8
mm
4
.
07
Q.3 (a) List causes of side sway for portal frame. 04
(b) Using Moment Distribution method find support moments and draw B.M. and
S.F. diagrams for the continuous beam shown in Fig. 2
10
OR
Q.3 (a) Explain (i) Carry over factor (ii) Distribution Factor 04
(b) Analyse the beam shown in Fig. 3 by consistent deformation method. Draw shear
force and bending moment diagram. EI = constant.
10
Q.4 (a) Advantages and disadvantages of fixed beam. 04
(b) A continuous beam ABC is having spans AB and BC of length 4m and 3m,
respectively. Span AB is subjected to udl of 60 kN/m while span BC is subjected
to udl of 80 kN/m respectively. Consider support system at A, B and C is roller
(simply) support. Find the support moments and draw B.M. and S.F. diagrams.
10
OR
Q.4 (a) Explain Muller-Breslau principle. 04
(b) Using Slope Deflection method, determine the support moments and reactions
for the continuous beam shown in Fig. 4. Draw B.M. and S.F. diagrams.
10
Q.5 (a) State and explain Clapeyron?s theorem of three moments. 04
(b) Using Kani?s Method, determine the moments at A, B, C, D for the portal frame
as shown in Fig. 5
10
OR
Q.5 (a) List losses in prestressing. 04
(b) Draw influence line diagram for propped cantilever beam AB of length 12 m for
(i) Reaction at fixed end (Va) (ii) Reaction at propped end (Vb)
10
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
www.FirstRanker.com
2
************
Fig. 4
B
C A
5m
60 kN / m
2 m 1 m
90 kN
Fig. 2
3 m
B
3 m
C A
80 kN
1m
100 kN
3 m
(2I) (I)
Fig. 3
B
A
2 m
30 kN
3 m
C
Fig. 5
3m
100 kN / m
D
C
B
A
6 m
(I)
(I)
(4I)
50 kN
3 m
C
6 m
B
A
Fig. 1
www.FirstRanker.com www.FirstRanker.com
www.FirstRanker.com
FirstRanker.com - FirstRanker's Choice
This post was last modified on 20 February 2020