波形钢腹板在施工中空间位置的定位研究
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摘要
滁河大桥是主跨96m的波形钢腹板预应力混凝土组合连续梁桥,跨径布置为(53+96+53)m,采用对称悬臂浇筑法施工。在滁河大桥的施工中发现波形钢腹板空间定位对桥梁成桥后的受力影响较大,为解决波形钢腹板组合梁桥悬臂对称施工过程中波形钢腹板空间位置的定位问题,根据该工程的施工监控方案,结合该桥设计的特点,对滁河大桥波形钢腹板施工中空间位置的定位进行了专门的研究,采用了数学上关于空间上不在一条直线上的3个点可以确定平面准确位置的定理,对施工中的钢腹板进行定位,通过对理论计算的数据与施工现场实测数据进行对比分析,论证了该方法的可行性与实用性。
The Chuhe River Bridge is a corrugated steel web and prestressed concrete composite continuous girder bridge with span arrangement(53+96+53) m and was erected by the free balanced cantilever casting construction method.In the cantilever construction of the bridge,it was found that the positioning of spatial locations of the corrugated steel webs would have considerable influence on the force conditions of the completed bridge.To solve the problem of the positioning of the spatial locations of the webs in the construction,the positioning of the spatial locations was specially studied in the light of the construction monitoring and control scheme as well as the design characteristics of the bridge and the spatial locations were positioned,using the mathematic theorem that the exact location in plan can be determined when 3 points are spatially not on a straight line.The comparison and analysis of the theoretic calculation data and the field measurement data proves that the method described above is feasible and practicable.
The Chuhe River Bridge is a corrugated steel web and prestressed concrete composite continuous girder bridge with span arrangement(53+96+53) m and was erected by the free balanced cantilever casting construction method.In the cantilever construction of the bridge,it was found that the positioning of spatial locations of the corrugated steel webs would have considerable influence on the force conditions of the completed bridge.To solve the problem of the positioning of the spatial locations of the webs in the construction,the positioning of the spatial locations was specially studied in the light of the construction monitoring and control scheme as well as the design characteristics of the bridge and the spatial locations were positioned,using the mathematic theorem that the exact location in plan can be determined when 3 points are spatially not on a straight line.The comparison and analysis of the theoretic calculation data and the field measurement data proves that the method described above is feasible and practicable.
引文
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[9]JTG D60-2004,公路桥涵设计通用规范[S].(JTG D60-2004,General Code for Design of Highway Bridges and Culverts[S].)
[10]JTJ 041-2000,公路桥涵施工技术规范[S].(JTJ 041-2000,Technical Specifications for Construction of Highway Bridges and Culverts[S].)
[2]陈宝春,陈宜言,林松.波形钢腹板桥梁应用调查分析[J].中外公路,2010,(1):109-118.(CHEN Bao-chun,CHEN Yi-yan,LIN Song.Investigation and Analysis of Corrugated Steel Web Bridges[J].Journal of China&Foreign Highway,2010,(1):109-118.in Chinese)
[3]徐强,万水.波形钢腹板PC组合箱梁桥设计与应用[M].北京:人民交通出版社,2009.(XU Qiang,WAN Shui.Design and Application of Corrugated Steel Web and PC Composite Box Girder Bridges[M].Beijing:China Communications Press,2009.in Chinese)
[4]陈宜言.波形钢腹板预应力混凝土桥设计与施工[M].北京:人民交通出版社,2009.(CHEN Yi-yan.Design and Construction of Prestressed Concrete Bridge with Corrugated Steel Webs[M].Beijing:China Communications Press,2009.in Chinese)
[5]张长青,安永日,安里鹏.波形钢腹板连续刚构桥的地震响应分析[J].桥梁建设,2011,(3):17-21.(ZHANG Chang-qing,AN Yong-ri,AN Li-peng.Analysis of Seismic Response of Corrugated Steel Web Continuous Rigid-Frame Bridge[J].Bridge Construction,2011,(3):17-21.in Chinese)
[6]李鹏飞,刘保东,肖英楠.桥墩类型对波纹钢腹板连续刚构桥动力特性的影响[J].桥梁建设,2011,(2):27-29.(LI Peng-fei,LIU Bao-dong,XIAO Ying-nan.Influence of Different Pier Types on Dynamic Performance of Continuous Rigid-Frame Bridges with Steel Corrugated Steel Webs[J].Bridge Construction,2011,(2):27-29.in Chinese)
[7]李淑琴,陈建兵,万水,等.我国几座波形钢腹板PC组合箱梁桥的设计与建造[J].工程力学,2009,(S1):115-118.(LI Shu-qin,CHEN Jian-bing,WAN Shui,et al.Design and Construction of Some Corrugated Steel Web and Prestressed Concrete Composite Box Girder Bridges in China[J].Engineering Mechanics,2009,(S1):115-118.in Chinese)
[8]梁朝晖,袁少飞,扈成熙.鄄城黄河公路特大桥波形钢腹板PC结合梁施工技术[J].桥梁建设,2010,(6):73-76.(LIANG Zhao-hui,YUAN Shao-fei,HU Cheng-xi.Construction Techniques for Corrugated Steel Web and PC Composite Girder of Juancheng Huanghe River Highway Bridge[J].Bridge Construction,2010,(6):73-76.in Chinese)
[9]JTG D60-2004,公路桥涵设计通用规范[S].(JTG D60-2004,General Code for Design of Highway Bridges and Culverts[S].)
[10]JTJ 041-2000,公路桥涵施工技术规范[S].(JTJ 041-2000,Technical Specifications for Construction of Highway Bridges and Culverts[S].)
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