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Columns and Footings - Introduction to Structural Design - Old Exam Paper, Exams of Structural Analysis

Main points of this past exam are: Columns and Footings, Reinforced Concrete, Independently of Main Beam, In-Situ Reinforced Concrete Construction, Detail Slabs, Alternative System, Weight of Reinforced Concrete

Typology: Exams

2012/2013

Uploaded on 03/27/2013

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Cork Institute of Technology
Bachelor of Engineering in Civil Engineering – Award
(National Diploma in Engineering in Civil Engineering – Award)
(NFQ – Level 7)
Autumn 2005
Structural Design I – Concrete & Masonry
(Time: 4 Hours)
Instructions:
1. The examination is intended as a test of the candidate’s
knowledge: (a) in structural engineering design
conception (b) of structural design calculation and (c) of
his/her ability to present a design as a detailed drawing
suitable for construction purposes.
Candidates may refer to
1. BSI-PP7312 – ‘Extracts from British Standards for
Students of Structural Design’
2. ‘Approved Design Aids’ - (CIT Booklet)
3. ‘Designed & Detailed’ – (BCA Booklet)
2. Attempt all questions.
3. Use separate answer books for each Section.
Examiners:
Mr. D.J. Walsh
Mr. P. Anthony
Mr. J. Murphy
Section A – Reinforced Concrete
The attached drawing, Fig.QA, details the structural framing arrangement of a five storey
building of in-situ reinforced concrete construction. Single pad footing foundations are
provided to each individual column.
The ground floor will comprise ground bearing concrete slab construction and no loading
from this level will be carried by the structural framing.
Lateral stability of the building will be provided independently of the main beam and
column framing shown.
A1. Floor Slab
(i) Design a floor slab for the 1st, 2nd, 3rd and & 4th floors. (The slab is continuous over
beam supports B & C and is simply supported along A & D). (20 marks)
(ii) Detail the slabs designed in A2.(i) above.
(10 marks)
(Total QA1. 30marks)
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Cork Institute of Technology

Bachelor of Engineering in Civil Engineering – Award

(National Diploma in Engineering in Civil Engineering – Award)

(NFQ – Level 7)

Autumn 2005

Structural Design I – Concrete & Masonry

(Time: 4 Hours)

Instructions:

  1. The examination is intended as a test of the candidate’s knowledge: (a) in structural engineering design conception (b) of structural design calculation and (c) of his/her ability to present a design as a detailed drawing suitable for construction purposes. Candidates may refer to 1. BSI-PP7312 – ‘Extracts from British Standards for Students of Structural Design’ 2. ‘Approved Design Aids’ - (CIT Booklet) 3. ‘Designed & Detailed’ – (BCA Booklet) **2. Attempt all questions.
  2. Use separate answer books for each Section.**

Examiners: Mr. D.J. Walsh Mr. P. Anthony Mr. J. Murphy

Section A – Reinforced Concrete

The attached drawing, Fig.QA, details the structural framing arrangement of a five storey building of in-situ reinforced concrete construction. Single pad footing foundations are provided to each individual column. The ground floor will comprise ground bearing concrete slab construction and no loading from this level will be carried by the structural framing. Lateral stability of the building will be provided independently of the main beam and column framing shown.

A1. Floor Slab

(i) Design a floor slab for the 1 st^ , 2nd^ , 3rd^ and & 4th^ floors. (The slab is continuous over beam supports B & C and is simply supported along A & D). (20 marks) (ii) Detail the slabs designed in A2.(i) above. (10 marks) (Total QA1. 30marks)

A2. Columns B2 & C

(ii) Design columns B2 & C2 (300x300) from the underside of the second floor to foundation level (Assume a pinned connection between the columns and footings). (19 marks) (ii) Detail the column designed in A2.(i) above. (10 marks) (iii) Prepare a bar bending schedule for the drawing produced for A1.(ii) above. Include the completed schedule with your Answer Book. (6 marks) (Total QA2. 35marks)

A3. Lateral Stability

(i) Describe, briefly, the likely lateral stability system of this building. (ii) What alternative system of providing lateral stability is often employed in buildings of in-situ reinforced concrete construction. (Total QA3. 5marks)

Design Information: Durability and Fire: Exposure: Substructure – moderate superstructure – mild Fire: 1 hour Loading: (Characteristic Values) Dead Loading: Specific weight of reinforced concrete = 24 kN/m^3 Weight of fixed partitions: allow 2.0 kN/m^2 (exclude roof) Roof finishes: allow 2.0 kN/m^2 Weight of suspended ceiling & services, floor finishes etc: allow 1.5kN/m^2 (all levels)

Imposed Loading: Apply uniformly distributed loadings of Table 1, BS6399-1: General Office: Activity/Occupancy Category B Roof: Allow 2.5 kN/m^2