Concrete & Foundations

Question 1

A(n) __________ foundation is a concrete base that’s used to support large tanks, such as steel tanks, and is typically used for tanks with a diameter of over 12 meters (39 feet). This foundation type is often used for storage tanks that are installed at ground level.

Answer 1

Ring wall foundation

Question 2

What is a reason earth forming might be risky, and what can be done about it?

Answer 2

There could be a risk of soil material sluffing into the pour. To avoid this, make sure soil conditions are suitable for a vertical cut, and there should be a special inspector to inspect the excavation and an engineer to observe the concrete placement.

Question 3

___________________ is a self-compacted, cementitious material used primarily as a backfill in place of compacted fill.

Answer 3

Controlled low-strength material (CLSM)

Question 4

What does CLSM stand for?

Answer 4

Controlled low-strength material

Question 5

What does ABC stand for?

Answer 5

Aggregate Base Course

Question 6

________________ is used as a hard pack sub-base compaction material for a variety of applications. It is a blend of crushed stone and sand, which makes it ideal for use in a wide range of construction projects. It is commonly used as a foundation for roads, buildings, and other structures.

Answer 6

Aggregate Base Course (ABC)

Question 7

What type of surface preparation is shown here?

Answer 7

Scarification

Question 8

What is being constructed in this picture?

Answer 8

A ring wall foundation