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二次受力RC梁增大截面加固配筋限值研究

DOI: 10.3969/j.issn.1674-0696.2015.01.07, PP. 30-33

Keywords: 桥梁工程,二次受力,加固梁,极限破坏,相对界限受压区高度,最大加固钢筋量,塑性破坏,bridgeengineering,secondaryload,strengthenedbeams,ultimatefailure,relativelyheightofultimatecompressiveregion,maximumstrengtheningquantityofsteel,plasticfailure

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Abstract:

:？通过分析在不同初始荷载下增大截面加固钢筋混凝土梁的极限破坏，研究二次受力对相对界限受压区高度和最大加固钢筋量的影响，得到加固梁发生塑性破坏时构件的相对界限受压区高度和加固钢筋的最大用量计算公式。利用有限元软件ABAQUS进行计算验证，计算结果与分析吻合较好。

 References

[1]  ［1］ 卓尚木,季直仓,卓昌志.钢筋混凝土结构事故分析与加固［M］.北京:中国建筑工业出版社,1997.
[2]  Zhuo Shangmu,Ji Zhicang,Zhuo Changzhi.Accident Analysis of Reinforced Concrete Structures and Reinforcement ［M］.Beijing: China Architecture & Building Press,1997.
[3]  ［2］ 王文炜,赵国藩,黄承逵,等.碳纤维布加固已承受荷载的钢筋混凝土梁抗弯性能试验研究及抗弯承载力计算［J］.工程力学,2004(4):172-178.
[4]  Wang Wenwei,Zhao Guofan,Huang Chengkui,et al.An experimental study of strengthening of inicially loaded reinforced concrete beams using CFRP sheets ［J］.Engineering Mechanics,2004(4): 172-178.
[5]  ［3］ 蒙云,卢波.桥梁加固与改造［M］.北京:人民交通出版社,2012.
[6]  Meng Yun,Lu Bo.Bridge Strengthening and Rehabilitation ［M］.Beijing: China Communications Press,2012.
[7]  ［4］ 张娜.CFRP加固钢筋混凝土梁规程研究及实际应用［D］.大连:大连理工大学,2013.
[8]  Zhang Na.Study on the Guidelines for CFRP Strengthened Rc Beams and the Application in Practice ［D］.Dalian: Dalian University of Technology,2013.
[9]  ［5］ JTG/TJ 22—2008公路桥梁加固施工技术规范［S］.北京:人民交通出版社,2008.
[10]  JTG/TJ 22—2008 Specifications for Strengthening Design of Highway Bridges ［S］.Beijing: China Communications Press,2008.
[11]  ［6］ 马来飞,顾祥林,李翔,等.二次受力下外粘纤维片材加固钢筋混凝土梁抗弯承载力［J］.结构工程师,2011,27(4):134-140.
[12]  Ma Laifei,Gu Xianglin,Li Xiang,et al.Bending bearing capacity of reinforced concrete beams strengthened with FRP sheets considering the effect of the second loading ［J］.Structural Engineers,2011,27(4): 134-140.
[13]  ［7］ 王滋军,刘伟庆,姚秋来,等.考虑二次受力的碳纤维加固钢筋混凝土梁抗弯性能的试验研究［J］.工业建筑,2004,34(7):85-87.
[14]  Wang Zijun,Liu Weiqing,Yao Qiulai,et al.Experimental research on the flexural behavior of RC beams strengthened by carbon fiber sheet under quadratic loading ［J］. Industrial Construction,2004,34(7): 85-87.
[15]  ［8］ 全学友,刘春茂.非卸载条件下受拉区加固梁的抗弯设计法［J］.重庆大学学报:自然科学版,2002,25(3):115-119.
[16]  Quan Xueyou,Liu Chunmao.Design method of moment-strengthening on tension side when load un-removed ［J］.Journal of Chongqing University: Natural Science,2002,25(3): 115-119.
[17]  ［9］ 龙炳煌,周旺华.叠合梁的界限受压区高度和最大配筋率公式［J］.土木工程学报,1991,27(6):29-35.
[18]  Long Binghuang,Zhou Wanghua.Formulae for determining balanced depth of compression zone and maximum steel ratio in composite beams ［J］.Civil Engineering Journal,1991,27(6): 29-35.
[19]  ［10］沈蒲生,谭宇昂.钢筋混凝土受弯构件粘贴加固时加固材料最大用量研究［J］.湖南大学学报:自然科学版,2004,31(6):51-55.
[20]  Shen Pusheng,Tan Yu’ang.A study on the maximum quantity of externally bonded strengthening materials of reinforced concrete flexural members ［J］.Journal of Hunan University: Natural Sciences,2004,31(6): 51-55.
[21]  ［11］Shin Y S,Lee C.Flexural behavior of reinforced concrete beams strengthened with carbon fiber-reinforced polymer laminates at different levels of sustaining load［J］.ACI Structural Journal,2003,100(2): 231-239.
[22]  ［12］Wenwei W,Guo L.Experimental study and analysis of RC beams strengthened with CFRP laminates under sustaining load ［J］.International Journal of Solids and Structures,2006,43(6): 1372-1387.
[23]  ［13］Kim H S,Shin Y S.Flexural behavior of reinforced concrete (RC) beams retrofitted with hybrid fiber reinforced polymers (FRPs) under sustaining loads［J］.Composite Structures,2011,93(2): 802-811.
[24]  ［14］张树仁,黄侨.结构设计原理［M］.北京:人民交通出版社,2010.
[25]  Zhang Shuren,Huang Qiao.Structural Design Principles ［M］.Beijing:China Communications Press,2010.

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