Article(id=1223196807656751990, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223196803663778281, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222564, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1670428800000, receivedDateStr=2022-12-08, revisedDate=1678636800000, revisedDateStr=2023-03-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1769562444842, onlineDateStr=2026-01-28, pubDate=1692892800000, pubDateStr=2023-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769562444842, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769562444842, creator=13701087609, updateTime=1769562444842, updator=13701087609, issue=Issue{id=1223196803663778281, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='8', pageStart='1', pageEnd='222', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769562443888, creator=13701087609, updateTime=1769563793740, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223202465391166440, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223196803663778281, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223202465391166441, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223196803663778281, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=151, endPage=155, ext={EN=ArticleExt(id=1223196808847934374, articleId=1223196807656751990, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Experimental Study on Shear Behavior of Concrete Beams Reinforced with Local Steel Fiber and BFRP Bars, columnId=1222925283779400191, journalTitle=Water Resources and Power, columnName=WATER CONSERVANCY AND HYDROPOWER ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

In order to study the shear resistance of the inclined section of steel fiber reinforced concrete beams with BFRP bars, this paper takes the steel fiber reinforced concrete beams with BFRP bars as the research object, and carries out the shear capacity tests of 9 steel fiber reinforced concrete beams with BFRP bars. The effects of failure mode, shear span ratio, BFRP reinforcement ratio, steel fiber volume fraction, and steel fiber range on the shear resistance of steel fiber reinforced concrete beams with BFRP bars are analyzed. The results show that the failure mode of steel fiber reinforced concrete beams reinforced with BFRP is mainly shear failure; The shear capacity of the inclined section decreases with the increase of shear span ratio, and increases with the increase of fiber content and BFRP reinforcement ratio; Setting steel fiber within the shear span of the support can better improve the shear resistance of the inclined section of the concrete beam with BFRP reinforcement. Finally, the formula for calculating the shear capacity of steel fiber reinforced concrete beams with BFRP bars is obtained by fitting test data, and the calculated results of the formula are consistent with the experimental results. The research enriches the design theory of inclined section of FRP reinforced concrete composite structure, and has reference value for the application of FRP reinforced steel fiber concrete composite structure in practical projects.

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为了研究BFRP筋钢纤维混凝土梁斜截面的抗剪性能,以BFRP筋钢纤维混凝土梁为研究对象,开展了9根BFRP筋钢纤维混凝土梁的斜截面抗剪承载力试验,分析了试验构件的破坏形态,探讨了剪跨比、BFRP筋配筋率、钢纤维体积掺量、钢纤维范围等参数对BFRP筋钢纤维混凝土梁抗剪性能的影响。结果表明,BFRP筋钢纤维混凝土梁的破坏形态以剪切破坏为主;试验梁的斜截面抗剪承载力随着剪跨比的增大而下降,随着纤维掺量和BFRP筋配筋率的增大而提高;支座以内剪跨范围设置钢纤维能够较好地改善BFRP筋混凝土梁的斜截面抗剪性能。最后,由试验数据拟合得到BFRP筋钢纤维混凝土梁斜截面抗剪承载力计算公式,公式计算值与试验结果吻合较好。研究丰富了FRP筋混凝土复合结构斜截面设计理论,对FRP筋钢纤维混凝土复合结构在实际工程的应用具有参考价值。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
侯黎黎(1984-),女,讲师,研究方向为纤维混凝土、FRP筋混凝土结构,E-mail:
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张亚坤(1983-),男,副教授,研究方向为新型复合材料及其结构性能,E-mail:

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张亚坤(1983-),男,副教授,研究方向为新型复合材料及其结构性能,E-mail:

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张亚坤(1983-),男,副教授,研究方向为新型复合材料及其结构性能,E-mail:

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BFRP筋局部钢纤维混凝土梁斜截面抗剪性能试验研究
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张亚坤 , 张东锋 , 侯黎黎
水电能源科学 | 水利水电工程 2023,41(8): 151-155
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水电能源科学 | 水利水电工程 2023, 41(8): 151-155
BFRP筋局部钢纤维混凝土梁斜截面抗剪性能试验研究
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张亚坤 , 张东锋, 侯黎黎
作者信息
  • 黄河水利职业技术学院,河南 开封 475004
  • 张亚坤(1983-),男,副教授,研究方向为新型复合材料及其结构性能,E-mail:

通讯作者:

侯黎黎(1984-),女,讲师,研究方向为纤维混凝土、FRP筋混凝土结构,E-mail:
Experimental Study on Shear Behavior of Concrete Beams Reinforced with Local Steel Fiber and BFRP Bars
Ya-kun ZHANG , Dong-feng ZHANG, Li-li HOU
Affiliations
  • Yellow River Conservancy Technical Institute, Kaifeng 475004, China
出版时间: 2023-08-25 doi: 10.20040/j.cnki.1000-7709.2023.20222564
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为了研究BFRP筋钢纤维混凝土梁斜截面的抗剪性能,以BFRP筋钢纤维混凝土梁为研究对象,开展了9根BFRP筋钢纤维混凝土梁的斜截面抗剪承载力试验,分析了试验构件的破坏形态,探讨了剪跨比、BFRP筋配筋率、钢纤维体积掺量、钢纤维范围等参数对BFRP筋钢纤维混凝土梁抗剪性能的影响。结果表明,BFRP筋钢纤维混凝土梁的破坏形态以剪切破坏为主;试验梁的斜截面抗剪承载力随着剪跨比的增大而下降,随着纤维掺量和BFRP筋配筋率的增大而提高;支座以内剪跨范围设置钢纤维能够较好地改善BFRP筋混凝土梁的斜截面抗剪性能。最后,由试验数据拟合得到BFRP筋钢纤维混凝土梁斜截面抗剪承载力计算公式,公式计算值与试验结果吻合较好。研究丰富了FRP筋混凝土复合结构斜截面设计理论,对FRP筋钢纤维混凝土复合结构在实际工程的应用具有参考价值。

BFRP筋  /  钢纤维混凝土  /  梁  /  剪跨比  /  配筋率  /  纤维掺量  /  抗剪承载力

In order to study the shear resistance of the inclined section of steel fiber reinforced concrete beams with BFRP bars, this paper takes the steel fiber reinforced concrete beams with BFRP bars as the research object, and carries out the shear capacity tests of 9 steel fiber reinforced concrete beams with BFRP bars. The effects of failure mode, shear span ratio, BFRP reinforcement ratio, steel fiber volume fraction, and steel fiber range on the shear resistance of steel fiber reinforced concrete beams with BFRP bars are analyzed. The results show that the failure mode of steel fiber reinforced concrete beams reinforced with BFRP is mainly shear failure; The shear capacity of the inclined section decreases with the increase of shear span ratio, and increases with the increase of fiber content and BFRP reinforcement ratio; Setting steel fiber within the shear span of the support can better improve the shear resistance of the inclined section of the concrete beam with BFRP reinforcement. Finally, the formula for calculating the shear capacity of steel fiber reinforced concrete beams with BFRP bars is obtained by fitting test data, and the calculated results of the formula are consistent with the experimental results. The research enriches the design theory of inclined section of FRP reinforced concrete composite structure, and has reference value for the application of FRP reinforced steel fiber concrete composite structure in practical projects.

BFRP bars  /  steel fiber concrete  /  beam  /  shear span to effective depth ratio  /  reinforcement ratio  /  fiber volume content  /  shear capacity
张亚坤, 张东锋, 侯黎黎. BFRP筋局部钢纤维混凝土梁斜截面抗剪性能试验研究. 水电能源科学, 2023 , 41 (8) : 151 -155 . DOI: 10.20040/j.cnki.1000-7709.2023.20222564
Ya-kun ZHANG, Dong-feng ZHANG, Li-li HOU. Experimental Study on Shear Behavior of Concrete Beams Reinforced with Local Steel Fiber and BFRP Bars[J]. Water Resources and Power, 2023 , 41 (8) : 151 -155 . DOI: 10.20040/j.cnki.1000-7709.2023.20222564
  • 2022年度河南省高等学校重点科研项目(22B570001)
  • 2020年度黄河水利职业技术学院青年骨干教师培养计划(2020HYGG01)
  • 开封市黄河流域生态保护和高质量发展创新专项计划(2019018)
  • 2020年开封市科技发展计划(科技攻关2001021)
2023年第41卷第8期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20222564
  • 接收时间:2022-12-08
  • 首发时间:2026-01-28
  • 出版时间:2023-08-25
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出版历史
  • 收稿日期:2022-12-08
  • 修回日期:2023-03-13
基金
2022年度河南省高等学校重点科研项目(22B570001)
2020年度黄河水利职业技术学院青年骨干教师培养计划(2020HYGG01)
开封市黄河流域生态保护和高质量发展创新专项计划(2019018)
2020年开封市科技发展计划(科技攻关2001021)
作者信息
    黄河水利职业技术学院,河南 开封 475004

通讯作者:

侯黎黎(1984-),女,讲师,研究方向为纤维混凝土、FRP筋混凝土结构,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2023.20222564
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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