- 摘 要
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（1 合肥工業(yè)大學(xué)土木與水利工程學(xué)院， 合肥 230009; 2 安徽省建筑設(shè)計(jì)研究院有限責(zé)任公司， 合肥 230002）
［摘要］收集各國高強(qiáng)混凝土梁的斜截面抗剪試驗(yàn)結(jié)果，基于數(shù)據(jù)對于中國《混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范》（GB 50010—2010）、美國ACI 318-11規(guī)范、歐洲EN 1992-1-1∶2004規(guī)范和新西蘭NZS 3010∶2006規(guī)范中鋼筋混凝土梁斜截面抗剪能力計(jì)算進(jìn)行了對比，并從多種角度對四種規(guī)范進(jìn)行了評(píng)價(jià)。結(jié)果表明:由于高強(qiáng)混凝土的脆性較為顯著，四種規(guī)范均未能考慮抗剪性能隨混凝土強(qiáng)度的增加先增加后減小的現(xiàn)象，且各自存在不同的不足之處，均需要進(jìn)一步完善。
［關(guān)鍵詞］高強(qiáng)混凝土； 抗剪承載力； 規(guī)范比較； 鋼筋混凝土梁
中圖分類號(hào)：TU375-1文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2018)02-0001-06
Comparison of shear strength calculation method of high-strength concrete beams based on test data among Chinese, American, European and New Zealand′s codes
Xia Liang1, Ye Xianguo1, Jiang Qing1, Chong Xun1, Zhang Kewei2
(1 School of Civil Engineering， Hefei University of Technology， Hefei 230009， China; 2 Anhui Provincial Architectural Design and Research Institute Co., Ltd., Hefei 230002， China)
Abstract:Comparison of shear strength calculation method of RC beams among Chinese Code for design of concrete structures(GB 50010—2010), American Code ACI 318-11, European Code EN 1992-1-1∶2004 and New Zealand Code NZS 3010∶2006 was studied based on the collected test data of high-strength concrete beams in various countries. Shear strength calculation methods of RC beams in four codes were also evaluated. Shear capacity of high-strength concrete beams increases at first and then decreases with the increase of concrete strength for the brittleness of high-strength concrete is higher than ordinary concrete. The results indicate that these four calculation methods have all failed to take that into account and each of them has different deficiencies, hence the modification should all be further adopted.
Keywords:high-strength concrete; shear capacity; code comparison; reinforced concrete beam
*國家自然科學(xué)基金項(xiàng)目(51378167，51408179)，中央高?；究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金資助（J2014HGBZ0137，2014HGQC003）。
通訊作者：蔣慶，博士，副研究員，Email：ahhfjq@163.com。
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