Civil & Structural Flashcards
(14 cards)
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.
Ring wall foundation
What is a reason earth forming might be risky, and what can be done about it?
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.
___________________ is a self-compacted, cementitious material used primarily as a backfill in place of compacted fill.
Controlled low-strength material (CLSM)
What does CLSM stand for?
Controlled low-strength material
What does ABC stand for?
Aggregate Base Course
________________ 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.
Aggregate Base Course (ABC)
What type of surface preparation is shown here?
Scarification
What is being constructed in this picture?
A ring wall foundation
What is “repad” short for?
reinforcement pad
What is this part of a staircase called?
Stringers
According to OSHA, what are the minimum and maximum slopes of a staircase?
30 to 50 degrees
According to OSHA, what are the minimum and maximum slopes of a ship ladder?
50 to 70 degrees
What is this a picture of?
Carsonite markers
When should you make sure carbonite markers are installed for a project?
When you install an underground utility or pipeline outside of a property line, i.e., on state/city/federal land.