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WorksheetsPre Stressed Concrete
Total questions: 11
Worksheet time: 6mins
Materials to make a concrete
(a)
(a) -With metals or with other reinforcing materials
– crushed stone , crushed gravel, sand or natural sand with particles size less than 5 mm . Sand characteristics should be clean , free from mud , debris or any dirt. Beach sand is not ideal due to salt content , it is also prohibited by law to quarry in the beach.
(a)
What is prestress concrete?
Strengthening a material by the application of stress during packaging
Strengthening a material by the application of stress during manufacture
Smoothening a material by the application of stress during manufacture
None of the above
Why a concrete is prestressed?
To reduce the amount of concrete used in construction
To reduce the amount of materials used and transported
To improve durability and service life
All of the above
Which of the following concrete offers pleasant appearance and durability?
Shrinkage concrete
Reinforced concrete
Hardened concrete
Prestressed concrete
The necessity of high strength concrete in prestressed concrete is due to ___________
Loading and Unloading
Cracking
Bending
Shear and Bonding
In case of continuous prestressed concrete members to gain continuity, splicing is done by ___________
Tendons
Concrete
Steel
Reinforcement
The failure due to fracture of steel in tension in the beam is because of __________
Least amount of prestressed concrete
Least amount of reinforcement
Excess amount of steel reinforcement
Excess amount of prestressed concrete
The concrete members which are prestressed by providing the tensioned tendons are termed as ____________
Linear prestressed members
Circular prestressed members
Pre tensioning members
Internally prestressed members
(a) -With metals or with other reinforcing materials
