Structural Engineering 2 Exam - CIVL6025, Cork Institute of Technology, 2011/12, Exams of Structural Analysis

An examination paper for the structural engineering 2 module (civl6025) of the beng in civil engineering programme at the cork institute of technology. Instructions for candidates, questions for sections a and b, and figures for reference. The examination covers topics such as second moment of area, moment of resistance, uniformly distributed loads, point loads, maximum shear, maximum flexural shear stress, eccentric loads, and stress calculation.

Typology: Exams

2012/2013

Uploaded on 04/02/2013

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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 2 Examinations 2011/12
Module Title: Structural Engineering 2
Module Code: CIVL6025
School: Building and Civil Engineering
Programme Title: BEng in Civil Engineering Year 2
Programme Code: CCIVL_7_Y2
External Examiner(s): Mr J. Murphy
Ms M. Kyne
Internal Examiner(s): Mr D. Coleman
Mr C. Ó Súilleabháin
Instructions: Answer all four questions
Use separate answer books for each section
Duration: 2 hours
Sitting: Summer 2012
Requirements for this examination:
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the
correct examination paper.
If in doubt please contact an Invigilator.
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CORK INSTITUTE OF TECHNOLOGY

INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ

Semester 2 Examinations 2011/

Module Title: Structural Engineering 2

Module Code: CIVL

School: Building and Civil Engineering

Programme Title: BEng in Civil Engineering – Year 2

Programme Code: CCIVL_7_Y

External Examiner(s): Mr J. Murphy Ms M. Kyne Internal Examiner(s): Mr D. Coleman Mr C. Ó Súilleabháin

Instructions: Answer all four questions Use separate answer books for each section

Duration: 2 hours

Sitting: Summer 2012

Requirements for this examination:

Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the correct examination paper. If in doubt please contact an Invigilator.

Section A (50 Marks)

Q1. A steel I-beam with a steel plate fastened to the top flange as shown in Fig Q1 (a) has the following dimensions: Steel Plate = 250mm x 15mm Top Flange = 200mm x 18mm Web = 10mm x 350mm Bottom Flange = 180mm x 12mm (a) Determine the second moment of area IYY (12 marks) (b) If the beam is positioned to bend about the Y-Y axis and if the maximum safe stress is 275N/mm^2 in compression and in tension determine the moment of resistance of the section. (8 marks) (c) The beam has a uniformly distributed load acting on it and is simply supported as shown in Fig Q1 (b). Verify that the beam passes in bending (5 marks)

Q2. A timber T-beam has the cross sectional details as shown in Fig Q2 (a) Web = 10mm x 250mm Bottom Flange = 200mm x 20mm (a) Determine the second moment of area IYY (7 marks) (b) The simply supported beam has a uniformly distributed load acting on it with a point load 2.0m from the left hand support as shown in Fig Q2 (b). Determine the maximum shear in the beam. (3 marks) (c) Determine the maximum flexural shear stress at the following locations: i. Position 1 Neutral Axis (5 marks) ii. Position 2 Just above the junction of the two pieces of timber (5 marks) iii. Position 3 Just below the junction of the two pieces of timber (5 marks)

Fig. Q1 (a)

Fig. Q1 (b)

Fig. Q2a

Fig. Q2b