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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 2 Examinations 2008/
Module Title: Structural Design & Detailing 2
Module Code: CIVL 8017
School: Building and Civil Engineering
Programme Title: Bachelor of Engineering (Honours) in Structural Engineering - Award
Programme Code: CSTRU_8_Y
External Examiner(s): Mr. P. Anthony, Prof. P. O’Donoghue Internal Examiner(s): Mr. D. Walsh, Mr. D. Coleman, Ms. S. O. Corcoran
Instructions: 1. Attempt all questions
- Use separate answer books for each section
- Candidates may refer to: ‘ Extracts from British Standards for students of Structural Design’ & Approved Design Aids.
Duration: 2 Hours Sitting: Summer 2009
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
Q1. Give approximate dimensions for the following: Note: Do not undertake sliding, overturning or bearing checks I (^) BASE = I (^) HEEL = I (^) TOE = Thickness of stem at top = Thickness of stem at base = For H = 5m Sketch where tension reinforcement would be required (7 Marks)
Fig. QA
Section B
Q3. Details of a timber stud wall, forming part of the outside of a building, are shown in Fig.QB. The vertical studs are built in to concrete at the base and support a roof structure at the top. The studs are positioned at 400 mm centres and are provided with horizontal noggings at mid- height. Show that studs of 44 mm x 100 mm section in C22 timber under wet exposure conditions, are suitable to sustain a medium-duration axial loading of 5.2 kN/m from the roof and a wind loading of 0.95 kN/m^2 (3 s gust). The cladding materials do not contribute to the structural stability of the framed structure. Calculations should conform to BS 5268-2:2002 (33 Marks)
Section C
Q4. The cladding wall for a steel portal framed building is to be of cavity wall construction as shown in Fig.QC1. At the base the wall is simply supported on an edge beam while the top edge is built up to the structure above but is a free edge. Both leaves are to be of 100mm thick concrete block construction (440mm x 215mm x 100mm blocks). Wall ties will be provided in accordance with code requirements between the two leaves and between each section of the discontinuous leaf and the support. Using the design data given below determine a suitable concrete block/mortar combination for a typical internal panel of the wall.
Design Data: Characteristic wind loading = 0.5kN/m^2 Manufacturing/Construction control conditions: Special/Normal
Calculations should conform to BS5628 / IS325 (33 Marks)
