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Q: The bond strength between steel and concrete is due to
  • A. Friction
  • B. Adhesion
  • C. Both friction and adhesion
  • D. None of the above
Correct Answer: Option C - The bond strength between steel and concrete is due to both friction and adhesion. • The bond strength of concrete depends on chemical adhesion, frictional resistance and mechanical resistance. • If grade of concrete increase then friction between concrete and steel increases.
C. The bond strength between steel and concrete is due to both friction and adhesion. • The bond strength of concrete depends on chemical adhesion, frictional resistance and mechanical resistance. • If grade of concrete increase then friction between concrete and steel increases.

Explanations:

The bond strength between steel and concrete is due to both friction and adhesion. • The bond strength of concrete depends on chemical adhesion, frictional resistance and mechanical resistance. • If grade of concrete increase then friction between concrete and steel increases.