連続繊維補強コンクリート(構造）

[2200] An Experimental Study of Reinforced Concrete Beams Strengthened with Internal PBO Fiber Meshes in Shear

座長(土木)：横田弘
座長(建築)：香取慶一
講演者：Sirapong SUWANPANJASIL¹, 松本浩嗣², 二羽淳一郎² (1.Tokyo Institute of Technology 2.東京工業大学)

キーワード：Internal strengthening system, PBO fiber meshes, PBO繊維メッシュ, Shear capacity, Shear strengthening, せん断耐力, せん断補強, 内巻き補強方法

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This study aims to develop a new concrete structure by using the advanced PBO fiber meshes as a shear strengthening material inside concrete structural elements. The experimental parameters include the number of PBO fiber mesh layers and the width of PBO fiber meshes in the shear span. The results revealed that increasing the number of the PBO fiber mesh layers can increase the shear capacity of the RC beams, however, the shear capacity will be reduced if the strengthened width of the PBO fiber meshes is over than the effective width in the shear span.