Foundations in Construction

Which type of foundation is most commonly used for low-rise residential buildings on firm ground?

• Raft foundation

• Trench foundation

• Pile foundation

• Pad foundation

What is a primary advantage of a raft foundation compared to individual pad foundations?

• It is always cheaper to construct

• It spreads the load over a large area, reducing settlement

• It requires less concrete

• It is suitable for very deep soils

Pad foundations are most suitable for which of the following situations?

• Supporting a single column or point load

• Spanning over soft clay soils

• Supporting long walls

• Where groundwater is very high

Which type of foundation is typically used when the very weak soil or tall buildings?

• Trench foundation

• Raft foundation

• Pad foundation

• Pile foundation

Why is soil investigation important before designing a foundation?

• To determine the colour of the soil

• To assess the soil’s ability to support loads

• To check for underground water pipes

• To estimate the cost of bricks

What is the main function of a trench foundation?

• To act as a waterproof barrier

• To distribute the load of a wall over a wider area of soil

• To provide ventilation under the building

• To store rainwater

Which type of foundation are they?

• Trench

• Raft

• Pad

• Pile

Which type of foundation are they?

• Trench

• Raft

• Pad

• Pile

Which type of foundation are they?

• Trench

• Raft

• Pad

• Pile

Which type of foundation are they?

• Trench

• Raft

• Pad

• Pile