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[III-235] Tensile test of different diameter couplers connecting different types of PC steel materials used for enlarged diameter anchors

〇Koji TAKEYA¹, Shinya YAMAUCHI², Kenji OKAZAKI³, Kimihiko KUBOI⁴, Tadashi YAMAMOTO⁵, Yuta MIURA⁶ (1.SE Corporation, 2.TEKKEN CORPORATION, 3.NITTOC CONSTRUCTION CO.,LTD., 4.East Japan Railway Company, 5.JR East Consultants Company, 6.Neturen Co., Ltd.)

Keywords:Ground anchor, Enlarged diameter type anchor, PC Steel, Different diameter coupler, Tensile test