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钢-混凝土组合直箱梁变形理论分析及应用

Keywords: 钢-砼组合直箱梁,轴向滑移函数,滑移效应,剪力连接程度系数

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Abstract:

组合箱梁结构刚度计算采用换算截面法没有考虑钢梁与混凝土翼板之间的滑移效应,使组合箱梁刚度较实际刚度偏大而变形较实测值偏小.利用Goodman弹性夹层假设,引入轴线滑移函数考虑组合箱梁轴线变形引起的滑移效应,通过组合箱梁受力平衡方程推导出钢-砼组合箱梁考虑滑移效应的变形平衡微分方程,得出方程相应的通解,根据边界条件获得钢-砼组合箱梁的变形表达式.算例应用计算结果表明,该分析方法能准确方便地求解钢-砼组合简支直箱梁变形,同时可得到钢-砼组合箱梁的内力,为钢-砼组合箱梁的安全设计提供理论依据.

References

[1]  王连广,许伟,李立新.滑移效应影响下的组合梁变形计算公式[J].沈阳建筑工程学院学报,2000,16(4):254-255.WANG Lian-guang,XU Wei,LI Li-xin.Calculating formulae of the deformation on the steel and concrete composite beamsunder slip effect[J].Journal of Shenyang Arch.and Civ.Eng.Inst,2000,16(4):254-255.(in Chinese)
[2]  刘云平,赵建昌,包华.考虑界面滑移的钢-混凝土组合梁的新解法[J].结构工程师,2007,23(5):35-40.LIU Yun-ping,ZHAO Jian-chang,BAO Hua.A new method for steel-concrete composite beams considering interface slip[J].Structural Engineers,2007,23(5):35-40.(in Chinese)
[3]  包世华.新编高层建筑结构[M].北京:中国水利水电出版社,2006.
[4]  胡少伟.组合梁抗扭分析与设计[M].北京:人民交通出版社,2005.
[5]  孙文彬.部分剪力连接件钢-混凝土简支梁组合梁变形计算[J].辽宁工程计算大学学报,2003,22(1):71-73.SUN Wen-bin.Predicting deflection of simply supported steel-concrete composite beams with partial shear connection[J].Journal of Liaoning Technical University,2003,22(1):71-73.(in Chinese)
[6]  聂建国,唐亮,胡少伟,等.钢-混凝土组合箱梁的抗扭强度[J].土木工程学报,2008,41(1):1-11.NIE Jian-guo,TANG Liang,HU Shao-wei,et al.Torsional strength of steel-concrete composite box girders[J].China CivilEngineering Journal,2008,41(1):1-11.(in Chinese)
[7]  聂建国,樊健生.广义组合结构及其发展展望[J].建筑结构学报,2006,27(6):1-8.NIE Jian-guo,FAN Jian-sheng.The development and prospect of generalized composite structures[J].Journal of BuildingStructures,2006,27(6):1-8.(in Chinese)
[8]  聂建国,余志武.钢-混凝土组合梁在我国的研究及应用[J].土木工程学报,1999,32(2):3-8.NIE Jian-guo,YU Zhi-wu.Research and practice of composite steel-concrete beams in China[J].China Civil EngineeringJournal,1999,32(2):3-8.(in Chinese)
[9]  王连广,许伟,朱浮声,等.钢板与轻骨料混凝土组合梁试验研究[J].东北大学学报,2002,23(12):1193-1196.WANG Lian-guang,XU Wei,ZHU Fu-sheng,et al.Experimental research of steel plate and light aggregate concretecomposite beams[J].Journal of Northeastern University,2002,23(12):1193-1196.(in Chinese)
[10]  聂建国,沈聚敏,袁彦声,等.钢-混凝土简支组合梁变形计算的一般公式[J].工程力学,1994,11(11):21-27.NIE Jian-guo,SHEN Ju-min,YUAN Yan-sheng,et al.A general formula for predicting the deflection of simply supportedcomposite steel-concrete beams with the consideration of slip effect[J].Engineering Mechanics,1994,11(11):21-27.(inChinese)

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