STUDY ON BEAM-END DETAILS FOR THE METHOD OF NON-SCALLOP ON BEAM-TO-COLUMN WELDED JOINTS

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  • NAKAGOMI Tadao
    Dept. of Architecture and Civil Engineering, Faculty of Engineering, Shinshu Univ.,
  • FUJITA Tetsuya
    Faculty of Engineering, Shinshu Univ.
  • MINAMI Keisuke
    Faculty of Engineering, Shinshu Univ.
  • LEE Ken
    Dept. of Architecture and Civil Engineering, Faculty of Engineering, Shinshu Univ.
  • MURAI Masatoshi
    Dept. of Architecture, Faculty of Engineering, Kanagawa Univ.

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Other Title
  • 柱梁溶接接合部におけるノンスカラップ工法梁端ディテールに関する実験的研究
  • ハシラ ハリ ヨウセツ セツゴウブ ニ オケル ノンスカラップ コウホウ リ

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Abstract

Scallops of the beam-web at welded beam-to-column connections of steel frames bring partial loss of cross sections at the part subjected to large bending moments when a severe earthquake occurs. Therefore, they are not desirable from the point of view of mechanical behavior. This paper presents the bending tests performed using specimens of beam-to-column joints on shop assembling carried out to investigate the effect of non-scallop methods and beam-scallops on fracture behavior, ultimate strength and deformation capacity of the steel beam-ends. It is concluded that a beam without scallops has earlier brittle fracture and higher strength, and larger deformation capacity than a conventional beam with scallops. Finally, it recommends the details of the end of the beam of the non- scallop method of construction with the cost performance being based from the view point of the design, the building.

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