[1]卜良桃,刘裔彬.RC 伸臂梁钢纤维砂浆钢筋网抗剪加固带性能研究[J].西安建筑科技大学学报:自然科学版,2015,47(02):165-0170.[doi:DOI: 10.15986/j.1006-7930.2015.02.003]
 BU Liangtao,LIU Yibin.Shear behavior of RC overhanging beams strengthened by steel fiber mortar with reinforcement[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2015,47(02):165-0170.[doi:DOI: 10.15986/j.1006-7930.2015.02.003]
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RC 伸臂梁钢纤维砂浆钢筋网抗剪加固带性能研究()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
47
期数:
2015年02期
页码:
165-0170
栏目:
出版日期:
2015-04-28

文章信息/Info

Title:
Shear behavior of RC overhanging beams strengthened by steel fiber mortar with reinforcement
文章编号:
1006-7930(2015)02-0165-06
作者:
卜良桃刘裔彬
(湖南大学土木工程学院,湖南 长沙 410082)
Author(s):
BU Liangtao LIU Yibin
(Civil Engineering College, Hunan University, Changsha, 410082, China )
关键词:
抗剪加固带荷载受剪极限承载力塑性分析
Keywords:
shear strengthening belt load ultimate shear capacity plastic analysis
分类号:
TU375.1
DOI:
DOI: 10.15986/j.1006-7930.2015.02.003
文献标志码:
A
摘要:
为研究RC 伸臂梁钢纤维砂浆钢筋网抗剪加固带剪切破坏特征及加固带抗剪极限承载力,对2 根对比RC 伸臂梁和2
根外包钢纤维砂浆钢筋网抗剪加固带的RC 伸臂梁进行剪切破坏试验.分析对比梁和试验梁的剪切破坏形态、开裂荷载、极
限荷载、裂缝、挠度、应变的变化规律.试验表明,此抗剪加固带能提高梁的抗裂性、刚度、延性、抗剪极限承载力,其中
开裂荷载提高幅度分别为35.61%、37/61%,极限荷载提高幅度分别为39.56%、51.84%.依据试验结果,采用塑性分析法求
出RC 伸臂梁钢纤维砂浆钢筋网抗剪加固带极限承载力计算公式.计算承载力与试验承载力较吻合,为结构加固理论提供了
一种分析方法.
Abstract:
For the study of shear failure characteristics and ultimate shear capacity of RC overhanging beams strengthened by steel
fiber mortar with reinforcement, an experimental research was conducted on the shear failure test of 2 contrast RC overhanging
beams and 2 RC overhanging beams strengthened by steel fiber mortar with reinforcement. Test results showed that the cracking load,
ultimate load , mode of shear failure, variation of crack, deflection, strain of the contrast beams and the test beams can be increased
in which the cracking load increase rate were 35.61% and 37/61% respectively, and the ultimate load was increased to
39.56%, 51.84%. According to the results this shear strengthening belt can increase the crack resistance, stiffness, ductility and
ultimate shear capacity of the beams. Based on the test results, plastic analysis method is proposed for ultimate shear capacity of RC
overhanging beams strengthened by steel fiber mortar with reinforcement. Calculation of ultimate shear capacity and the testing
ultimate shear capacity is consistent in providing an analysis method for the structure reinforcement theory.
Key words: shear strengthening belt; load; ultimate shear capacity; plastic analysis

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备注/Memo

备注/Memo:
收稿日期:2014-11-18 修改稿日期:2015-04-13
基金项目:国家火炬计划项目(2013GH561393)
作者简介:卜良桃(1963-),男,博士,教授,主要从事工学结构加固技术方面研究.E-mail:plt63@126.com
更新日期/Last Update: 2015-08-31