...界限配筋率；剥离破坏 [gap=1212]Keywords:Polypropylene Fibre Mortar; strengthened reinforcement ratio; critical reinforcement ratio; edge debonding peeling failure ..
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提出了地震作用下加筋带的界限配筋率和其临界长度的计算公式。
Formulas about the relative minimal reinforcement volume ratio and the minimal reinforcement length were deduced.
针对不同的疲劳破坏形式，分析了产生不同破坏形式的原因，提出了界限配筋率的概念。
Aimed at the different fatigue failure types of the beams, the failure causes are analyzed. A concept of critical reinforcement ratio is offered.
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