Question Based on Construction and Building Materials

Question 1

What types of materials are commonly used in low rise buildings?
Low-rise buildings can be of residential or commercial nature. In residential buildings, it is more or less static in its function whereas in case of commercial buildings, it is more dynamic in its function. Hence in commercial buildings, flexible component is used by contractors. Both of these buildings use materials such as welding generators, cement, terrazzo grinders. The construction material used are timber, steel, concrete, enclosure systems, interior finishes partitions, ceiling finishes, floor finishes, life-safety systems, etc.

Question 2

How are low rise building described within BCA?
Building Code of Australia requires that for the construction of low rise buildings, a thorough knowledge of content and purpose is required. These low rise buildings falls under Class 1 to 10 with the floor area not more than 2000 square metres under the classification of the buildings.

Question 3

What processes may be used to determine the suitability of materials for building
The safety of construction material used has been regulated by various authorities of the construction industry (Allen, Iano & Allen, 2014). These control measures help to construct safe buildings with various specification which need to be followed by the contractors. Some of these measures are:
•    Using slip resistant flooring on surface which is exposed to water, weather, spills, etc.
•    Using appropriate lighting to carry out the intended work in the building
•    Using concrete beams which can be erected from above to avoid dislodging during installation. 
•    Connecting beams to column to provide support to the structure
•    Using prefabricated rising system to ensure safe work at heights.
Following these standards helps in using suitable construction material.

Question 4

What processes are involved for selecting of material for low-rise building?
For selection of material to be used for construction of low rise building include following the assessment criteria laid down by Building Code of Australia. These assessment criteria includes,
•    Properties of the materials that can be use, their compatibility and non-compatibility (Park, Park, Seo & Noguchi, 2011).
•    Identification of material which are structurally adequate.
•    Tolerance for assembling and installing material are identified.
•    Short term and long term degradation of materials are considered
•    Alternative materials are evaluated
•    Materials selection is done according to their safety to be used for specific purpose.
•    Environmental impact of the material to be used

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Question 5

How are materials correctly and safely handled?
The safe and correct handling of the construction material is very important as it would ensure the overall strength of the project. Thus the people who would be the part of construction project is assessed based on a set of skill set which is specified by Building Code to Australia. This assessment ensure that the contractors are competent enough to contruct a safe project.

Question 6

How each of the below materials behave in fire?
Timber- Timber is combustible material so it cannot be used in fire.
Stone- Stone is non-combustible and can be used in fire.
Plastic – Plastic is combustible and cannot be used in fire
Steel- Steel loses its strength above temperature of 300 degree Celsius.
Glass- It depends on the quality of glass used but most of them cannot sustain fire

Question 7

What are the effects of defects in wood and what causes these defects?
The defects in wood is caused by insect and weather. Due to these causes, the defected wood can cause:
•    Breakage while being used in construction
•    Less durability
•    Wastage
•    High cost of construction

Question 8

What are organic solvents used for in timber?
The organic solvents used in timber include pesticides such as copper naphthenates, imidacloprid, pyrethroids, etc. (Karshenas & Feely, 1996).

Question 9

What are solvent based polyurethanes used for?
This solvent is used for construction of residential and commercial buildings. It makes the material durable with giving an amber finish and durability.

Question 10

Select a building material which has high resistance to corrosion?
Whether a building material is resistant to corrosion depends on the environment to which it is exposed. Often the coating or paints used on these building material makes them less prone to corrosion (Peterkin, 2009). However stainless steel is known to be less prone to corrosion.


Allen, E., Iano, J., & Allen, E. (2014). Fundamentals of building construction. Hoboken, N.J.: Wiley.
 Park, D., Park, S., Seo, Y., & Noguchi, T. (2011). Water absorption and constraint stress analysis of polymer-modified cement mortar used as a patch repair material. Construction And Building Materials.
Karshenas, S., & Feely, J. (1996). Structural properties of used plywood. Construction And Building Materials, 10(8), 553-563.
Peterkin, N. (2009). Rewards for passive solar design in the Building Code of Australia. Renewable Energy, 34(2), 440-443.

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