Anchorage length

  • Thread starter dss975599
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  • #1
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Homework Statement


Guys , what is the difference between the basic and equivalent anchorage length ?
For the basic anchorage length , it is measured for the whole bend as in the figure a ..
For the b , for the equivalent anchorage length , why it's measured from one side only ? ( longer side)
https://calculocivil.com/eu/ec2/anchorage/base

Homework Equations




The Attempt at a Solution


I think for figure b , it's wrong ... It 's shold be measured for the whole L shape bend like figure a . Correct me if i am wrong . Thanks .
 

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Answers and Replies

  • #2
Baluncore
Science Advisor
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Maybe tight bends, beyond 90° place the hook part of the bar in compression, not tension.
Refer to; 8.4.1
(3) Bends and hooks do not contribute to compression anchorages.
 
  • #3
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Equivalent anchorage length is the length of the steel reinforcement that will be engaged through tensile strains in reinforced concrete.

Basic anchorage length is the equivalent anchorage length + the bent portion of the steel. The bent portion of the steel is not considered to resist any tensile strains/stresses and is simply provided to prevent the steel bars from slipping out of the reinforced concrete.
 
  • #4
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Equivalent anchorage length is the length of the steel reinforcement that will be engaged through tensile strains in reinforced concrete.

Basic anchorage length is the equivalent anchorage length + the bent portion of the steel. The bent portion of the steel is not considered to resist any tensile strains/stresses and is simply provided to prevent the steel bars from slipping out of the reinforced concrete.
thanks , do you have any diagram as example ?
 

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