APPARATUS, METHOD, AND PROGRAM FOR EVALUATING DEFECT OF UNDERGROUND STRUCTURE

PROBLEM TO BE SOLVED: To provide an underground structure defect evaluation apparatus capable of accurately evaluating the degree of a defect caused by corrosion. SOLUTION: A probe transmits ultrasonic waves (S201). A receiver is set so that reception may be performed by a second receiving filter (S...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KUMAGAI YASUO, SANTO KAZUYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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