Finite plane deformations of an ideal fiber-reinforced material. 6th Report. Three-point bending of a cracked beam supported by fixed roller fulcrums.

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  • 理想化繊維強化材の有限平面変形　ＶＩ　　ローラ支持によるき裂ばりの三点曲げ
  • リソウカ センイ キョウカザイ ノ ユウゲン ヘイメン ヘンケイ 6 ローラ

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Abstract

The finite three-point bending of a fiber-reinforced straight beam with a central crack on the beam bottom is analysed in the framework of the theory of ideal fiber-reinforced composite materials. The beam is reinforced in its axial direction. It is simply supported by fixed roller fulcrums ; such a supporting method has been chosen because of its feasibility for three-point bending tests. The results for a linear elastic response are shown in figures with a major emphasis on the crack tip opening angle, the singular stress intensity at the crack tip, and the debonding stresses.

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