Q: Which metal is used in concrete in civil engineering?
- A. Aluminium
- B. Nickel
- C. Iron
- D. Steel
Correct Answer:
Option D - Steel as a reinforcement– We know, plain concrete is very strong in compression but very weak in tensile strength. Steel is used because it binds well to concrete has a similar thermal expansion co-efficient and add tensile strength.
• The steel bars are placed in a grid pattern throughout the concrete structure, providing added support to bending, cracking and breaking.
D. Steel as a reinforcement– We know, plain concrete is very strong in compression but very weak in tensile strength. Steel is used because it binds well to concrete has a similar thermal expansion co-efficient and add tensile strength.
• The steel bars are placed in a grid pattern throughout the concrete structure, providing added support to bending, cracking and breaking.
Explanations:
Steel as a reinforcement– We know, plain concrete is very strong in compression but very weak in tensile strength. Steel is used because it binds well to concrete has a similar thermal expansion co-efficient and add tensile strength. • The steel bars are placed in a grid pattern throughout the concrete structure, providing added support to bending, cracking and breaking.Address
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