The problem with chlorides

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Concrete can be made with sea water and the chlorides will not harm it, it it will harm the steel that is in the concrete and associated with the concrete. This photo is of a ceiling which is deteriorating due to the use of brackish, yet drinkable, water when it was installed about 15 years ago. The rebar broke when I touched it.

Concrete 5

Attached is a report which addresses why this is a serious problem.

2016-04-06-Chlorides and rebar

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