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[quote]QUOTE: Originally posted by solzrules I am just trying to point out that there are big differences between a parking garage and a railroad bridge. [/quote] Perhaps the biggest difference being (other than the possibility of corrosive agents such as salt) is the large horizontal surfaces on a parking garage, where if there is not adequate drainage, the water just sits until it either evaporates or finds a gravity assisted exit If that exit crosses paths with rebar in the slab, I can't think of any set of circumstances where that is desirable. As an aside, I've seen some vertical cement surfaces lately on the underside of 60-80 year old railroad bridges, where the concrete is spalled completely off of the first row of re bar.. No doubt caused by the road salt spread over the roadway below by the state DOT crews, being splashed up as cars drive by No wonder the railroads expect the taxpayers to fix their bridges [oX)] They should sue the city for the cost of repairs necessitated by the salt crews negligence, and then take the judgement money won and distribute it to the stockholders as a bonus dividend... less the $5,000 needed to pay next years fine, of course. [:D]
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