CORROSION STATE ESTIMATION DIAGNOSIS APPARATUS FOR IRON CONDUIT, AND CORROSION STATE ESTIMATION DIAGNOSIS METHOD FOR IRON CONDUIT

摘要

PROBLEM TO BE SOLVED: To provide effective diagnostic information of iron conduit used in municipalities for a long time that is sufficient to determine the update order speedily and inexpensively.;SOLUTION: Corrosion amount presence/absence data beyond the service life is acquired from electrolyte analysis information of two or more soils measured and obtained by different measurement methods for the acquired soil, water content information of water contained in the soil, content measurement information of element components showing ionization tendency of less than that of iron in the soil, and embedded period information of the iron conduit, by using the service life corrosion presence/absence determination index.;COPYRIGHT: (C)2015,JPO&INPIT