Unbonded Post-Tensioning Study
Guide_ NASCLA Test Questions Fully
Solved.
What is post-tensioning? - Answer Steel tendons are stressed after the concrete has been
placed at the construction site
What is the purpose for putting composite sheathing over a post tension tendon? - Answer
Forms an enclosure for the tendon to prevent bonding during concrete placement and to
provide corrosion protection
What is the main reason for tendons in concrete floors? - Answer Tension
In post-tensioned concrete, the tendons are not pulled until the concrete hardens to what
percent of its full strength? - Answer 75%
What steps must be performed before post-tension cables can have concrete poured on them? -
Answer Strands must be covered with P/T coating and encased with high density
polyethylene sheathing is not needed or required
What are tendons encased in? - Answer High Density Polyethylene Sheathing
After the concrete is hardened, how is the prestressing steel stressed? - Answer With a
hydraulic jack
The proper way to unload post-tension cables is: - Answer With nylon straps through the
center of the coil
The correct way to store post-tension cables on a job site is to: - Answer Store in a dry area
on dunnage to keep the tendons off the ground
The correct way to store post-tension cables on a job site is to: - Answer Store in a dry area
on dunnage to keep the tendons off the ground
What is the minimum amount of the experience required to be a lead man is post tension
operations? - Answer 5 Years
Guide_ NASCLA Test Questions Fully
Solved.
What is post-tensioning? - Answer Steel tendons are stressed after the concrete has been
placed at the construction site
What is the purpose for putting composite sheathing over a post tension tendon? - Answer
Forms an enclosure for the tendon to prevent bonding during concrete placement and to
provide corrosion protection
What is the main reason for tendons in concrete floors? - Answer Tension
In post-tensioned concrete, the tendons are not pulled until the concrete hardens to what
percent of its full strength? - Answer 75%
What steps must be performed before post-tension cables can have concrete poured on them? -
Answer Strands must be covered with P/T coating and encased with high density
polyethylene sheathing is not needed or required
What are tendons encased in? - Answer High Density Polyethylene Sheathing
After the concrete is hardened, how is the prestressing steel stressed? - Answer With a
hydraulic jack
The proper way to unload post-tension cables is: - Answer With nylon straps through the
center of the coil
The correct way to store post-tension cables on a job site is to: - Answer Store in a dry area
on dunnage to keep the tendons off the ground
The correct way to store post-tension cables on a job site is to: - Answer Store in a dry area
on dunnage to keep the tendons off the ground
What is the minimum amount of the experience required to be a lead man is post tension
operations? - Answer 5 Years
