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Metals 2016, 6(10), 247; doi:10.3390/met6100247

An Evaluation of Mechanical Properties with the Hardness of Building Steel Structural Members for Reuse by NDT

Graduate School of Sciences and Technology for Innovation, Yamaguchi University, 2-16-1 Tokiwadai, Ube 755-8611, Japan
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Academic Editors: João Manuel R. S. Tavares and Victor Hugo C. de Albuquerque
Received: 9 June 2016 / Revised: 12 October 2016 / Accepted: 13 October 2016 / Published: 19 October 2016
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Abstract

The reuse system proposed by the authors is one method to reduce the environmental burden in the structural field. As for reusable members, we take up building steel structures used for plants and warehouses. These buildings are assumed to be demolished within approximately 30 years or more for physical, architectural, economic, or social reasons in Japan. In this paper, the performance of steel structural members of a gable frame is evaluated with a non-destructive test for reuse. First, the flow to estimate mechanical properties of steel structural members such as tensile strength, yield strength, and elongation is shown via a non-destructive test. Next, tensile strength, yield strength, and elongation of steel structural members are estimated, with hardness measured with a portable ultrasonic hardness tester. Finally, the mechanical properties of steel structural members for reuse are estimated based on the proposed flow. View Full-Text
Keywords: steel structural member; mechanical properties; elongation; non-destructive test; Vickers hardness; reuse steel structural member; mechanical properties; elongation; non-destructive test; Vickers hardness; reuse
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Fujita, M.; Kuki, K. An Evaluation of Mechanical Properties with the Hardness of Building Steel Structural Members for Reuse by NDT. Metals 2016, 6, 247.

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