WorksheetsFoundation Systems and Soil Types Quiz
Total questions: 10
Worksheet time: 5mins
What is the primary purpose of conducting a geotechnical study before starting construction?
To determine the color of the building
To establish the load bearing capacity of the soil
To choose the type of plants for gardening
To design the landscape
Which type of rock has a high bearing capacity suitable for foundations?
Marble
Sandstone
Slate
Obsidian
What is the minimum depth recommended for foundations in high plasticity clays to avoid damage from seasonal moisture variation?
750mm
1.2m
1m
900mm
Which foundation system is typically used when the required depth of foundations exceeds 2.5m?
Strip foundations
Trenchfill foundations
Pad foundations
Raft foundations
What is the main reason for using screw pile foundations?
To increase thermal efficiency
To reduce construction time
For aesthetic purposes
To avoid disturbing tree roots
What type of soil is considered very poor for subsoils and may require a reinforced raft foundation?
Sand
Peat
Chalk
Gravel
What is the typical solution for foundations on sloping sites?
Stepped foundations
Deep strip foundations
Piled foundations
Raft foundations
What might affect the choice of foundation system?
Presence of tree roots
Color of the soil
Window sizes
Type of roofing material
What is the purpose of lining trenches with compressible material in clay soils?
To attract wildlife
To protect foundations from expansion damage
To improve drainage
To reduce concrete usage
Why might a soil survey not be a prerequisite for starting construction?
All construction requires no survey
Soil types don't affect foundation choices
It's too expensive
Local expertise or designer knowledge may suffice
