VTU Civil Engineering (Semester 3)
Building Materials & Construction Technology
December 2014
Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Discuss various functions and requirements of a good foundation.
10 M
1 (b) With the help of neat sketch. Explain: i) Mat foundation ii) Pile foundation.
5 M
1 (c) Find the dimensions of combined rectangular footing two columns A and B carrying loads of 500 kN and 700kN respectively. Column A is 30cm×30cm in size and column B is 40cm × 40cm in size. The centre to centre spacing of columns is 3.4 metres. The safe B is capacity of the soil may be taken as 150 kN/m2.
5 M

2 (a) Explain the classification of masonry. Briefly explain with neat sketch: i) Stretcher, ii) Types of closure iii) Header iv) Quoin.
10 M
2 (b) With a neat figure explain various types of joints used in stone masonry.
10 M

3 (a) Distinguish clearly between a lintel and an arch. How does a flat stone arch differ from a stone lintel?
10 M
3 (b) Briefly explain the functions of Chejja, Canopy and Balcony.
10 M

4 (a) Explain briefly with neat sketches: i) Pitched roofs: ii) Flat roofs.
10 M
4 (b) Explain types of flooring and factors affecting selection of flooring materials.
10 M

5 (a) What are the requirements of a good stair and plan a dog legged stair for a building in which the vertical distance between the floor is 3.6m. The stair hall measures 2.5m × 5m.
10 M
5 (b) Explain briefly any 5 with neat sketch: i) Landing ii) Newel post iii) Hand rail iv) Flight v) Baluster vi) Riser and tread.
10 M

6 (a) Explain in brief with neat sketch any five:
i) Casement window
ii) Sash doors
iii) Battened and ledged doors
iv) Framed and panelled doors
v) Dormer window
vi) Corner window.
10 M
6 (b) Define with neat sketch:
i) Frame
ii) Shutter
iii) Panel
iv) Style
15 M

7 (a) Explain purpose of plastering. Explain methods of plastering.
10 M
7 (b) Explain in brief defects in painting and constituents of a paint.
10 M

8 (a) Define: i) Smart materials
ii) Form work and Scaffolding.
10 M
8 (b) Explain in brief causes and effects of Dampness in a building.
10 M

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