連続繊維補強コンクリート(構造）

[2199] EXPERIMENTAL STUDY ON SHEAR BEHAVIOR OF RC BEAMS JACKETED BY FLAX FIBER SHEET

座長(土木)：横田弘
座長(建築)：香取慶一
講演者：高崎紘輔¹, Tidarut JIRAWATTANASOMKUL², 張大偉³, 上田多門¹ (1.北海道大学 2.Hokkaido University 3.Zhejiang University)

キーワード：beam test, coupon test, flax fiber, frp jacketing, shear strengthening, 亜麻繊維, 連続繊維巻立て工法, せん断補強, 引張試験, 梁

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Flax is planted in rather cold climate for clothing and food, and can be made into nature fiber. The cost of flax fiber sheet is significantly less than conventional Fiber Reinforced Polymer (FRP) sheet. Flax fabric contains flax fibers in two orthogonal directions (warp and weft directions). In this study, beam test for six rectangular beam specimens with FRP sheet and one control specimen are conducted. As results, it is verified that flax fiber strengthening is effective for enhancement of shear behavior. In addition, the result of flax fiber is discussed by comparing with the case of PET fiber.