| 摘要 |
<P>PROBLEM TO BE SOLVED: To overcome the problem that the reliability of a result is degraded by a significant individual difference dependent on inspectors in a conventional manner that inspected points are hammered when a concrete structure is nondestructively inspected. Ž<P>SOLUTION: A hammering test machine includes: a pickup coming in and out by a pressing operation to a surface of the structure as a to-be-inspected object; a hammer installed on a side face of an device body, and operated so as to hammered to the structure; and a lock lever (a trigger) for receiving a swing force applied to a support in the hammer when the pickup comes in and out. An elastic force for pushing the pickup is antagonistic to the swing force of the hammer. At the same time, the swing force is applied to the support in the hammer by removing the elastic force acting on the pickup. A hammering action is initiated by operating the lock lever. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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