INTERNAL FORCE DISTRIBUTION CALCULATION AND EXPERIMENT FOR BONDED-BOLTED HYBRID JOINTS OF COMPOSITE STRUCTURE

Abstract

Abstract: Aiming at bonded-bolted hybrid joints of composite structure, internal force distribution calculation for joints is investigated. A new method is proposed based on loading-deformation curves of a typical hybrid joint. First, the loading-deformation for the typical hybrid joint is obtained by numerical simulation. Then, based on the loading-deformation curve, the strain distributions for the double row and five bolt single-lap composite joints are obtained by FEM. The analysis results are validated by test results. It shows that the strains obtained by FEM are in good agreement with the experimental data, which verifies that the method proposed in this paper is reliable. The method of this paper can be used to analyze the strength for other type of hybrid joints.

Key words: composite, hybrid joints, loading-deformation, finite element modeling

CLC Number:

TB332

WU Cun-li, WAN Chun-hua, GUO Yu-chao. INTERNAL FORCE DISTRIBUTION CALCULATION AND EXPERIMENT FOR BONDED-BOLTED HYBRID JOINTS OF COMPOSITE STRUCTURE[J]. Fiber Reinforced Plastics/Composites, 2019, 0(9): 44-51.

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