Gujarat Technological UniversityWinter 2025 examination

GTU 3150614 Structural analysis-II Winter 2025 Question Paper & PDF

B.E. · Civil Engineering · Semester 5 · Subject code 3150614
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
Define the influence line diagram and give statement of Muller Breslau principle.
(b)
4 marks

Explain following terms with suitable example: Stiffness, Distribution factor, Carry over factor, Carry over moment.

(c)
7 marks

Differentiate the methodology for Stiffness and Flexibility method. Also suggest the suitability of method in case of high degree of indeterminacy.

Q.2

14 Marks
(a)
3 marks
State and explain Castigliano’s second theorem with example.
(b)
4 marks

Draw qualitative shapes of influence lines for reactions in two bay- two storeyed fixed based portal frame.

(c)
7 marks

Determine the deflection at the mid span of the beam given in the figure 1 below. E = 200 GPa and I = 8 x 10⁶ mm⁴ using Castigliano or Unit load method.

GTU Structural analysis-II (3150614) Winter 2025 Question 2(c) Diagram
(c)
7 marks

Determine the Influence line diagram of Reaction at B i.e. RB using the Muller Breslau's Principal for following Fig 2. Also find the ordinate of ILD at E and F.

GTU Structural analysis-II (3150614) Winter 2025 Question 2 OR (c) Diagram

Q.3

14 Marks
(a)
3 marks

Draw “Restrained Structure” and “Released structure” for a three span continuous beam.

(b)
4 marks
Discuss causes of sidesway in analysis of frame.
(c)
7 marks
Determine the static Indeterminacy of problems given in Fig 3.
GTU Structural analysis-II (3150614) Winter 2025 Question 3(c) Diagram
(a)
3 marks

Differentiate between slope deflection method and moment distribution method for analysis of plane frame.

(b)
4 marks
Write steps for analysis of plane frame with sway by moment distribution method.
(c)
7 marks

Determine the Kinematic Indeterminacy or Degree of Freedom for problems given in Q. 3 Fig. 3.

GTU Structural analysis-II (3150614) Winter 2025 Question 3 OR (c) Diagram

Q.4

14 Marks
(a)
3 marks
List out the different types of displacement methods used in structural analysis.
(b)
4 marks

Two wheel loads, 50 kN and 150 kN spaced 2m move on a simply supported girder of 12 m long. Determine the values of maximum positive and negative shear force at a section 3m from the left end. Any wheel load can lead the other.

(c)
7 marks

Calculate the final end moments for continuous beam as shown in Fig 4 using the slope deflection method.

GTU Structural analysis-II (3150614) Winter 2025 Question 4(c) Diagram
(a)
3 marks

Calculate the distribution factor of continuous beam shown in Fig 5. Portion AB has second moment of area 1.5 I and BC is I.

GTU Structural analysis-II (3150614) Winter 2025 Question 4 OR (a) Diagram
(b)
4 marks

Two wheel loads of 120 kN and 80 kN spaced 2 m apart moves on the span of simple supported girder 16 m long. Determine the maximum bending moment at section 6 m from the left end. Any wheel load can lead the other.

(c)
7 marks

Evaluate the final end moments and reactions at supports using the Moment Distribution method for the Fig 5 (OR Q.4a).

GTU Structural analysis-II (3150614) Winter 2025 Question 4 OR (c) Diagram

Q.5

14 Marks
(a)
3 marks

A unit rotation, without any vertical displacement, is applied at support A of a prismatic beam AB with both ends fixed and of length L and flexural rigidity EI. Evaluate is the moment induced at support B?

(b)
4 marks

Determine the stiffness matrix of a axially rigid Cantilever beam with span L and flexural rigidity EI.

(c)
7 marks

In a simply supported beam, two end rotations are adopted as available degrees of freedom to express stiffness matrix of the structure. The half span of beam from left side has flexural rigidity two times more than remaining span. Determine the stiffness matrix.

(a)
3 marks

Assume that you are calculating deflection at the free end of a cantilever beam under some transverse load conditions. Now, if the stiffness matrix of this linear elastic beam is halved without changing loading condition, then what will be the deflection value at the free end now?

(b)
4 marks
Describe the properties of stiffness matrix for structural analysis.
(c)
7 marks

In a simply supported beam, two end rotations are adopted as available degrees of freedom to express stiffness matrix of the structure. The half span of beam from left side has flexural rigidity two times more than remaining span. Determine the flexibility matrix.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Structural analysis-II (Winter 2025, B.E. · Civil Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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