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Extraction of Iron

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Question

Which one of the following is categorized as a long-term loss of prestress in a prestressed concrete member?

A

Loss due to elastic shortening

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B

Loss due to friction

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C

Loss due to relaxation of strands

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D

Loss due to anchorage slip

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Solution

The correct option is C Loss due to relaxation of strands
Long Term losses of prestress are
(i) loss due to relaxation
(ii) shrinkage of concrete
(iii) loss due to creep

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