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Development Length

When HYSD bar...

Question

When HYSD bars are used in place of mild steel bars in a beam, the bond strength

A

does not change

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B

increases

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C

decreases

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D

becomes zero

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Solution

The correct option is B increases
(b)
Bond strength increases when:
• HYSD bars are used instead of plain bars
• Higher grade concrete is used
• Increased length of embedment, hooks or bends are provided
• Mechanical anchorage are employed

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