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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.
Highlights
In Japan, carbon dioxide emissions from construction-related fields account for approximately one-third of total emissions
This paper proposes a flow to facilitate the estimation of the mechanical properties of steel structural members assumed to be reused
5×7 this paper focuses on non-destructive testing and examines the tensile strength, yield point or yield
Summary
In Japan, carbon dioxide emissions from construction-related fields account for approximately one-third of total emissions. Responses to global environmental issues are called for in the architectural field as well Under these circumstances, the Architectural Institute of Japan (AIJ) has been deploying various efforts [2,3,4], including the promotion of “Vision 2050: Building-related Measures to Counteract Global. In order for reusable members to circulate as existing and newly manufactured materials in the existing distribution system, we aim to establish a venous industry, as opposed to an arterial industry, that is responsible for production and product supply. This venous industry would facilitate the disposal, recycling, and reuse of products resulting from the arterial industry
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