Examination Paper: Structural Analysis - BEng in Civil Engineering, CIVL7017, Winter 2011, Exams of Structural Analysis

An examination paper for the structural analysis module of the beng in civil engineering program at the cork institute of technology. The paper includes three questions covering topics such as shear force and bending moment diagrams, stress determination, and deflection calculation for beams and shafts. The document also provides instructions for the examination, including duration and sitting information.

Typology: Exams

2012/2013

Uploaded on 04/02/2013

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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Examinations 2011/12
Module Title: Structural Analysis
Module Code: CIVL7017
School: Building and Civil Engineering
Programme Title: BEng in Civil Engineering
Programme Code: CCIVL_7_Y3
External Examiner(s): Ms M Kyne
Mr. J Murphy
Internal Examiner(s): Mr JJ Murphy
Mr A MacIlwraith
Instructions: Answer all three questions
Duration: 2 hours
Sitting: Winter 2011
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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Download Examination Paper: Structural Analysis - BEng in Civil Engineering, CIVL7017, Winter 2011 and more Exams Structural Analysis in PDF only on Docsity!

CORK INSTITUTE OF TECHNOLOGY

INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ

Semester 1 Examinations 2011/

Module Title: Structural Analysis

Module Code: CIVL

School: Building and Civil Engineering

Programme Title: BEng in Civil Engineering

Programme Code: CCIVL_7_Y

External Examiner(s): Ms M Kyne Mr. J Murphy Internal Examiner(s): Mr JJ Murphy Mr A MacIlwraith

Instructions: Answer all three questions

Duration: 2 hours

Sitting: Winter 2011

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.

Q1. (a) A steel beam is loaded and supported as shown in Fig. Q1(a). The cross-section of the beam is shown in Fig. Q1(b). (i) Draw the shear force and bending moment diagrams for the beam, noting all significant values. (3 marks) (ii) Determine the bending stress at point O on the cross-section (immediately to the right of the support at B). (3 marks) (iii) Determine the flexural shear stress at O. (3 marks) (iv) Determine the principal stresses at O. (3 marks) (v) Determine the maximum shear stress at O. (2 marks) (vi) Determine the normal and shear stresses on plane XX at 40° to the vertical at O as shown in Fig. Q1(c). (3 marks) (vii) Determine the reading on a strain gauge attached to the beam at an angle of 70° to the horizontal at O as shown in Fig. Q1(d). (3 marks) E = 210 kN/mm^2 ν = 0. (b) Fig. Q1(e) shows the stresses acting at a point in a structure. Direct stresses of magnitudes σx = 240 N/mm^2 and σy = - 2 0 N/mm^2 and a shear stress τ are applied. Determine the magnitude of τ required to cause yield at the point if the yield criterion is the maximum shear strain energy and the yield stress in a simple tension test is 275 N/mm^2. (5 marks) Aide memoire: Shear strain energy: (1/12G) x [(σ 1 - σ 2 )^2 + (σ 1 - σ 3 )^2 + (σ 2 - σ 3 )^2 ] x Volume

Q2. A uniform beam is loaded and supported as shown in Fig. Q2. (a) Write the equation for the bending moment using Macaulay’s notation and hence determine the vertical deflection at C. (16 marks) (b) Draw the shear force and bending moment diagrams for the beam, noting the principal values (including all local maximum and minimum values). (9 marks) E = 210 kN/mm^2 I = 1500 cm^4