Reuse system of building steel structures

Fujita, Masanori; Iwata, Mamoru

doi:10.1080/15732470600720351

Cited by 44 publications

(18 citation statements)

References 4 publications

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“…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 Warming", aiming to achieve carbon neutrality [5]. In tandem with this movement, we have been studying a reuse system [6][7][8][9][10][11] for building steel structures aiming to reduce the environmental burden. 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.…”

Section: Introductionmentioning

confidence: 99%

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

Fujita

Kuki

2016

Metals

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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.

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Section: Introductionmentioning

confidence: 99%

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

Fujita

Kuki

2016

Metals

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“…Implementing any of the following measures can be effective at reducing the environmental burden in the life cycle of building steel structures: extending the service life of buildings themselves; reuse, which is extending service life at the structural member level; and recycling, which is extending service life at the material level; shown in Figure 1 [5,6]. …”

Section: Introductionmentioning

confidence: 99%

Application of Various NDT Methods for the Evaluation of Building Steel Structures for Reuse

Fujita

Masuda

2014

Materials

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The reuse system proposed by the authors is an overall business system for realizing a cyclic reuse flow through the processes of design, fabrication, construction, maintenance, demolition and storage. The reuse system is one of the methods to reduce the environmental burden in the field of building steel structures. These buildings are assumed to be demolished within approximately 30 years or more for physical, architectural, economic and social reasons in Japan. In this paper, focusing on building steel structures used for plants, warehouses and offices without fire protection, the performance of steel structural members for reuse is evaluated by a non-destructive test. First, performance evaluation procedures for a non-destructive test, such as mechanical properties, chemical compositions, dimension and degradation, are shown. Tensile strengths are estimated using Vickers hardness measured by a portable ultrasonic hardness tester, and chemical compositions are measured by a portable optical emission spectrometer. The weldability of steel structural members is estimated by carbon equivalent and weld crack sensitivity composition using chemical compositions. Finally, the material grade of structural members of the building steel structure for reuse is estimated based on the proposed procedures.

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“…Rather than specifying virgin steel, a designer may search and locate, via the Internet, components and assemblies in the vicinity of the new site and import those into a new design. Fujita and Iwata (2008) previously suggested use of the Internet to provide database access to an unlimited range of designers and other users, but not for importing components into BIM designs. Accessing data from stress sensors, as mentioned earlier, will also enable the designer to have confidence in the structural properties of the existing steelwork for use in its new circumstances.…”

Section: Building Information Modelling (Bim)mentioning

confidence: 99%

Smart steel: new paradigms for the reuse of steel enabled by digital tracking and modelling

Ness

Swift²,

Ranasinghe

et al. 2015

Journal of Cleaner Production

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Reuse system of building steel structures

Cited by 44 publications

References 4 publications

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

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

Application of Various NDT Methods for the Evaluation of Building Steel Structures for Reuse

Smart steel: new paradigms for the reuse of steel enabled by digital tracking and modelling

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