首页> 外文会议>Fifth American Society of Civil Engineers Materials Engineering Congress May 10-12,1999 Cincinnati, Ohio >Analysis and Behavior of Pultruded Fiber-Reinforced Polymer Bolted Connections
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Analysis and Behavior of Pultruded Fiber-Reinforced Polymer Bolted Connections

机译:拉挤纤维增强聚合物螺栓连接的分析和行为

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This paper presents the results of a three-dimensional finite element (FE) analysis pertaining to the behavior of single, pin-loaded, pultruded fiber-reinforced polymeric (FRP) composite plates reinforced with E-glass rovings and strand mat material. The analysis accounts for variable contact regions through a sliding contact formulation. Failure criteria developed for laminated FRP composites are used to compare the FE analysis stress resultants to the experimentally observed failure modes in specimens cut parallel and transverse to the roving direction. Results show that the FE model can predict initial load-deflection behavior up to the first peak in load. Failure zones found from FRP failure criteria correlate well with experimentally observed cleavage and net-tension fialure modes. This analysis can be further extended to simulate the full spectrum of damage response.
机译:本文介绍了三维有限元(FE)分析的结果,该分析涉及用E型玻璃纤维粗纱和绞合毡材料增强的单根,销钉,拉挤纤维增强聚合物(FRP)复合板的性能。该分析通过滑动接触公式说明了可变接触区域。为层压玻璃钢复合材料制定的破坏准则用于将有限元分析应力结果与平行于和横向于粗纱方向切割的试样中的实验观察到的破坏模式进行比较。结果表明,有限元模型可以预测直至载荷的第一个峰值的初始载荷-挠度行为。从FRP失效标准中发现的失效区域与实验观察到的劈裂和净张力断裂模式密切相关。该分析可以进一步扩展以模拟损伤响应的整个范围。

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