Corrosion depth measurement manner and corrosion depth measuring device.

摘要

PROBLEM TO BE SOLVED: To provide corrosion depth data inexpensively and surely.;SOLUTION: A corrosion depth measuring device comprises: a chain with a length capable of placing the surrounding of a bridge pier, a position detector attached to the chain; and a receiver that receives signals from the position detector.;COPYRIGHT: (C)2008,JPO&INPIT