Hall Ticket No:
Question Paper Code: A3109
VARDHAMAN COLLEGE OF ENGINEERING
(AUTONOMOUS) B. Tech IV Semester Regular/Supplementary Examinations, May 2018
(Regulations: VCE-R15) STRUCTURAL ANALYSIS-I
(Civil Engineering) Date: 18 May, 2018 FN
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
Unit I
1.
Distinguish between perfect, imperfect and redundant frames.
5M
Analyze the truss shown in Fig.1 by method of joints. Indicate the member forces with a neat sketch on the truss.
Fig.1
10M
2.
State the procedure of method of sections.
5M
A truss of 10m span is loaded as shown in Fig.2 find the forces in the members BE, BC and AE of truss by method of sections:
Fig.2
10M
Unit II
3.
State Castigliano's first theorem and using this how we can determine the deflection of the beams.
8M
Determine the horizontal movement of rollers and vertical deflection at joint C of the truss shown in Fig.3 areas of the chord members are 1000mm2 and the area of the diagonals are 1300mm2. E 200GPa.
Fig.3
7M
Cont…2
2
4.
Determine the support reaction components, normal thrust and radial shear just to right of the point D of three hinged arch shown in Fig.4.
Fig.4
15M
Unit III
5.
A fixed beam AB of span 5m is subjected to a couple of 500kN-m clockwise at a distance of 3m from left support A. Draw BMD and SFD.
Fig.5
15M
6.
A propped cantilever beam ABC of span 6m, fixed at A and propped at it is subjected to a point load of 60kN at C which is at a distance of 3m from fixed support A. Draw BMD and SFD.
Fig.6
15M
Unit IV
7.
Analyze the continuous beam shown in Fig.7 by slope deflection method. Also draw BMD and SFD.
Fig.7
15M
8.
Analyze the continuous beam shown in Fig.8 by Moment distribution method. Also draw BMD and SFD.
Fig.8
15M
Cont…3
3
Unit V
9.
Draw ILD for the following forces of simply supported beam AB of span 20m:
i. Reaction at A
ii. SF at section 9m from support A
Fig.9
5M
Two wheel loads of 160kN and 400kN spaced 2m apart move on a girder of span 16m from left to right with 160kN load leading. Find the maximum positive and negative shear force at a section:
i. 4m from the left end
ii. 6m from the left end
10M
10.
The wheel loads shown in Fig.10 rolls along the Warren truss. Draw the influence line for the forces Y and Z. Determine the maximum tensile and compressive forces in these members.
Fig.10
15M