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Author:

邓宗才 (邓宗才.) (Scholars:邓宗才) | 陈春生 (陈春生.) | 陈兴伟 (陈兴伟.)

Indexed by:

CQVIP PKU CSCD

Abstract:

为了研究高强钢筋混杂纤维增强活性粉末混凝土(Hybrid Fiber Reinforced Reactive Powder Concrete,HFRPC)抗剪性能,进行12根HFRPC梁抗剪试验,变化参数包括:剪跨比、配箍率、箍筋强度、箍筋放置角度和纤维掺量等。试验结果表明:混杂纤维显著改善了RPC梁的抗剪变形能力,使梁由脆性剪切破坏变为延性破坏,粗聚烯烃纤维有效阻止了临界斜裂缝的扩展,峰值荷载后承载力下降缓慢,梁斜裂缝条数增多、宽度减小;剪跨比为3.5时,发生了以斜拉破坏为主的剪切破坏;剪跨比增加,承载力下降;高强箍筋屈服,配箍率由0.42%提高到0.64%时,剪跨比为1.5、2.5和3.5...

Keyword:

混杂纤维 剪跨比 剪切变形 抗剪承载力 HRB500 活性粉末混凝土

Author Community:

  • [ 1 ] 北京工业大学工程抗震与结构诊治北京市重点实验室
  • [ 2 ] 河北钢铁股份有限公司唐山分公司

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Source :

土木工程学报

Year: 2015

Issue: 05

Volume: 48

Page: 51-60

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 19

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