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Q: According to IS 456 : 2000, value of design bond stress for plain bars shall be increased by______% for deformed bars conforming to IS 1786.
  • A. 25
  • B. 60
  • C. 40
  • D. 10
Correct Answer: Option B - According to IS 456:2000, bond stress for deformed bars to IS 1786 the bond stresses may be increase by 60% of straight bar. • And also bond stress increased by 25% for bars in compression. • The stress-strain relationship of steel and concrete under working loads is a straight line.
B. According to IS 456:2000, bond stress for deformed bars to IS 1786 the bond stresses may be increase by 60% of straight bar. • And also bond stress increased by 25% for bars in compression. • The stress-strain relationship of steel and concrete under working loads is a straight line.

Explanations:

According to IS 456:2000, bond stress for deformed bars to IS 1786 the bond stresses may be increase by 60% of straight bar. • And also bond stress increased by 25% for bars in compression. • The stress-strain relationship of steel and concrete under working loads is a straight line.