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Joined: Aug 2000
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Daily Herald storyNot sure how long those benches have been there, but how did they get broken?
Carol Hill
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Probably not made the best to begin with and the heat and exposure to saltwater can be detrimental, especially if it has steel rebar in it.
J.D.
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Saltwater? Why would they be exposed to salt water? It's a block from the ocean? Yes, I guess you're right, probably not made that well to begin with.
Carol Hill
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Salt spray and in the air.
J.D.
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Joined: Mar 2001
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Yes, another reason.
Concrete can be very fickle if not prepared properly.
J.D.
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JD is correct. Exhibit A is the collapse of the concrete bridge in Genoa Italy in 2018. Seawater spray seeped through the concrete and corroded the steel cables that reinforced that concrete. The bridge was several kilometers from the Mediterranean Sea, and saltwater still got through. This is likely a similar, yet far less tragic, situation. LINK
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Thanks. I guess I learned something today.
Carol Hill
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Thanks. I guess I learned something today. I have always been told there are two guarantees with concrete, it will get hard, and it will crack. It is a fickle building material.
J.D.
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It depends on the cement. If it's Portland concrete it lasts longer. If it's pre compressed concrete it last forever
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They were supposed to be reinforced with metal inside and that didn't happen
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