肋间距
This study shows that the bond strength of deformed GFRP rebars improves obviously, the optimal spacing of ribs should be less than 2.5 times of the rebar dia-meter and height of ribs should be more than 3% of the diameter.
试验结果表明,GFRP变形筋的粘结强度较高,最佳肋间距不应超过直径的2.5倍,肋高度应不小于直径的3%。
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