FOUNDATIONS

Question 1

What are trench or strip footings?

Answer 1

• Common in residential or low‑rise buildings for walls and closely spaced columns.
• Spread loads over compacted soil at shallow depths.

Question 2

What is a raft foundation?

Answer 2

• A slab foundation covering the entire footprint.
• Used on made‑up land or weaker soils for lightweight structures.

Question 3

What are piled foundations?

Answer 3

• Long slender reinforced concrete piles transferring load to deeper strata.
• Used for high loads or weak surface soils.

Question 4

What is a pad foundation?

Answer 4

A concrete slab beneath individual columns supporting localised loads.