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In olden days reinforcing bars in concrete are not got
rusted even till now. But recently provided steel getting
rusted in concrete.
what are the probable reasons?

Answers were Sorted based on User's Feedback



In olden days reinforcing bars in concrete are not got rusted even till now. But recently provided..

Answer / pramod

This case happens because now a days we are getting third
class qualities cement. The first or second class cement
was used in olden days. Therefore now a days bars becomes
rusted. The first & second class cement looks different and
the manufacturing cost of 1st class cement is very much
therefore it is available very less in market

Is This Answer Correct ?    0 Yes 6 No

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