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首页> 外文会议>International Conference on Advanced Design and Manufacturing Engineering >Assesment of main models for predicting debonding load-bearing capacity against intermediate crack-induced debonding failure in FRP-strengthened RC beams
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Assesment of main models for predicting debonding load-bearing capacity against intermediate crack-induced debonding failure in FRP-strengthened RC beams

机译：用于预测剥离负载承载能力的主要模型，以防止FRP加强的RC梁中的中间裂缝引起的剥离失效

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intermediate crack-induced debondingis one of the most dominant failure modes in FRP-strengthened RC beams. Different code models and provisions have been proposed to mitigateintermediate crack-induced debondingfailure.However, these models and provisions can not mitigate this failure mode effectively. Recnetly, new models have been proposed to solve this problem. Out of all the existing models, four typical ones are investigated in the current study. A comprehensivecomparison among these models is carried out in order to evaluate their performance and accuracy. Test results offiexural specimens with intermediate crack-induced debonding failurecollected from the existing literature are used in the current comparison. The effectivenessand accuracy of each model have been evaluated based on these experimental results. It is shown that the current modals are all conservative and inadequite to effectively mitigate intermediate crack-induced debonding in flexurally strengthened members.
机译：中间裂缝引起的脱位型FRP加强RC梁中最大的失效模式之一。已经提出了不同的代码模型和规定，以减缓裂解裂缝引起的剥离义务。但是，这些模型和规定无法有效减轻这种故障模式。核心地，已提出新模型来解决这个问题。在所有现有的模型中，在目前的研究中调查了四种典型的模型。进行这些模型中的综合化反应机构，以评估它们的性能和准确性。测试结果在当前比较中使用了从现有文献中的中间裂缝引起的剥离剥离的剥离标本。根据这些实验结果评估了每个模型的效力和精度。结果表明，目前的模型都是保守的和不足的，以有效地减轻柔性加强的构件中的中间裂纹诱导的剥离。

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