Economic Restoration of Concrete Infrastructure at Jefferson Parish, Louisianaby Gary R. Hall,
Abstract: United States municipalities are spending hundreds of millions of dollars annually tore place and repair corroded concrete infrastructures in wastewater systems. Structures such as wet wells, grit chambers, sewer lines, and aeration basins are all experiencing severe corrosion. Billions of dollars are needed to restore, replace, and upgrade existing facilities. The corrosion problems are magnified by the fact that, in general, available corrosion protection was not incorporated into the initial installation. Replacement costs can be three or more times as expensive as restoration. In addition, replacement may involve traffic interruption and construction problems with buildings, highways, and other structures. Money saved by restoring, rather than replacing, can be used to fund either more extensive restoration or other programs such as I & I.
Subject Headings: Concrete | Infrastructure | Economic factors | Corrosion | Municipal wastewater | Highway and road structures | Infrastructure construction | Rehabilitation | Structural systems | North America | United States | Louisiana
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