[12-11 16:59:52] 来源:http://www.tmgc8.com 工程技术 阅读:3506次
式中:λ3=2Mu 0.85f′cbd2;是强度折减系数。
玻璃纤维聚合物筋和钢筋混凝土矩形截面双筋梁的a值可由式(21)得到:
式中:λ4=2ρ′fy/0.85f′c(1-d′/d).
最后,纵向玻璃纤维聚合物筋的截面面积Af可综合利用式(17)或式(20),并结合式(7)玻璃纤维聚合物筋的应力-应变关系以及截面应变条件得到。
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