Question

What is development length? Why is the development length important in reinforced concrete design? How is...

What is development length?

Why is the development length important in reinforced concrete design?

How is the development length typically expressed?

What is the top bar effect and why does it increase the development length for concrete?

Why does the epoxy coating impact the development length of concrete How does lightweight concrete impact the development length?

Do you think it is safe to reduce the development length if you provide more steel than you are required in your design?

If you do not have the room to embed a straight bar into the concrete name three things that you could do to decrease the embedment length?

Engineering   Civil-Engineering   
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Homework Answers

Answer #1

1✓ A development length is the amount of rebar length that is needed for to be projected into concrete for desired bond strength between two materials.

2✓ The reinforcement bar is no longer to carry tensile forces, then it is required to develop the bar further to provide adequate bond between concrete and steel and form a continuous structure . Therefore development length is important in RCC design.

3✓ Generally, development length is expressed as "X times diameter" of bar.

In Most cases ( 41* diameter ) is provided as development length.

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