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Ece 2215: Theory Of Structures Ii Question Paper

Ece 2215: Theory Of Structures Ii

Course:Bachelor Of Science In Civil Engineering

Institution: Dedan Kimathi University Of Technology question papers

Exam Year:2011

KIMATHI UNIVERSITY COLLEGE OF TECHNOLOGY
University Examinations 2011/2012
SECOND YEAR SPECIAL/SUPPLEMENTARY EXAMINATIONS FOR THE DEGREE OF BACHELOR OF SCIENCE IN CIVIL ENGINEERING
ECE 2215: THEORY OF STRUCTURES II
DATE: FEBRUARY 2012 TIME: 2 HOURS iINSTRUCTIONS:
(a) This paper contains FIVE (5) questions.
(b) You are required to answer ANY THREE (3) questions.
(c) All questions carry equal marks (each 20 marks)
(d) Illustrate your answers with clear sketches
(e) State any assumptions used
1. A beam is simply supported with an overhang on one end as shown in Fig 1. Determine and hence sketch 20 marks
a. Influence line for the reaction RA.
b. Influence line for the reaction RC.
c. Influence line for the shear force at point B.
d. Influence line for the moment at point B
Fig 1
2. The parabolic arch shown in Fig. 2 carries a uniform horizontally distributed load of intensity 10kN/m over the portion AC of its span. Calculate the values of the normal force; shear force and bending moment at the point D. 20 marks
i
Fig 2
3.
a. A simply supported beam is loaded with a uniformly distributed load. The beam has a uniform cross-section with flexural rigidity of EI. Derive an expression for maximum deflection and its position. 10 marks
b. A simple beam supports a concentrated load placed anywhere on the span, as shown Fig. 3. Measuring x from A, show that the maximum deflection occurs at x = v[(L2 - b2)/3].
10 marks i
Fig 3
4.
a. A cable of uniform cross-sectional area is stretched between two supports 100m apart with one end 4m above the other as shown in figure 4. The cable is loaded with a uniformly distributed load of 10kN/m and the sag of the cable measured from the higher end is 6m. Find the horizontal tension and the maximum tension in the cable.
Fig 4
5. The truss in fig 5 is loaded with point loads. Compute the vertical deflections at joint G given that the members have similar properties i.e. Area = 1290.32mm2 and E = 200 x 103 N/mm2. 20 marks
Fig 5

6.

Ece 2215: Theory Of Structures Ii Question Paper

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