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Title: Calibration and Use of Impact Test Hammer

Author(s): N.G. Zoldners

Publication: Journal Proceedings

Volume: 54

Issue: 8

Appears on pages(s): 161-165

Keywords:

DOI:

Date: 8/1/1957

Abstract:
The most recent developments in materials testing technique are the nondestructive methods. Considerable attention has, recently been focused on the Schmidt concrete test hammer, which is based on an empirical relationship between the strength of concrete and the rebound of a steel plunger which is impinged against the face of the concrete under controlled conditions. The test ham­mer, its calibration, and use have been described in an earlier Journal Paper. This material is offered as addenda to the earlier report.