Intro to low rise consrtuction and building techniques

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Define a low rise building

A building that has 2 stories or less and is below 35 metres in height.

Define a midrise building

A building that has 6 or 7 stories and is anywhere between 35 to 100 metres

Define a high rise building

A building that has 20+ stories

Name some key features of a skeleton frame.

Is made of vertical columns and horizontal beams

Typically built from steel, concrete, timber.

Commonly used in low rise and high rise buildings.

What is the purpose of steel beams in a skeleton structure.

To support the entire weight of the building and transfer it to the foundation safely.

Name the advantages of Skeleton frames.

Strength and durability, pest and rot resistance, fire resistance.

Name the disadvantages of a skeleton structure.

Risk of corrosion and loss of strength in hot weather.

Higher upfront costs

Name the key features of the In-situ concrete technique.

Columns of concrete poured into temporary moulds.

Typically used in highrise arpartments.

Name the advantages of in-situ concrete.

Good structure and no weak points

Easy to adjust

Name the disadvantages of in-situ concrete

Slower construction speeds

weather dependent

Name the Key features of a timber structure.

A load bearing structure made of linking wooden posts.

Usually used to support roofs and floors.

Name the advantages of timber construction.

Fast construction

Eco friendly

Name the disadvantages of timber construction

Moisture and rot

Fire susceptibility

requires more concise maintenance.

Name the key features of the portal frame

Rigid structure shaped like a large doorway or arch

Made from steel, concrete or timber.

Designed for wide areas without needing supports inside the building.

Name the advantages of a portal frame.

Large clear spans, cost effective

Name the disadvantages of a portal frame.

Thermal conductivity, corrosion risk.