双导梁架桥机架设95m小半径曲线桥预制T梁施工技术
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摘要
结合某二级公路95m小半径曲线桥30m长预制T梁架设实践,对起重机、扒杆吊2种架桥方案进行比选后,分析了架桥机解决小半径曲线桥架设的可行性以及常用双导梁架桥机架设小半径曲线桥的原理和关键技术要点。重点介绍了架桥机拼装、喂梁、T梁安装、架桥机前移和尾部接长、架桥机过孔转向等施工工艺。
Combined with the erecting practice of the 30 m long prefabricated T-beam of 95 m small radius curved bridge in a secondary highway,two bridge erection schemes for cranes and derrick hoists were compared and selected,and the feasibility of erecting a bridge with small radius curved bridge and the principles and key technical points of common double-guiding-beam erector for erecting small radius curved bridges were analyzed. The construction technology of bridge erector assembling,feeder beam,Tbeam installation,bridge erecting machine moving forward and tail lengthening and bridge passing crosshole steering were mainly introduced.
Combined with the erecting practice of the 30 m long prefabricated T-beam of 95 m small radius curved bridge in a secondary highway,two bridge erection schemes for cranes and derrick hoists were compared and selected,and the feasibility of erecting a bridge with small radius curved bridge and the principles and key technical points of common double-guiding-beam erector for erecting small radius curved bridges were analyzed. The construction technology of bridge erector assembling,feeder beam,Tbeam installation,bridge erecting machine moving forward and tail lengthening and bridge passing crosshole steering were mainly introduced.
引文
[1]中国公路工程咨询集团有限公司.三峡库区巴东新县城至野三关公路工程两阶段设计图[R].
[2]顾金权.高速铁路架桥机过槽形梁架设施工技术[J].施工技术,2017,46(5):83-86.
[3]潘明东.十白高速公路跨襄渝铁路立交桥50m T梁架设施工方案[J].施工技术,2017,46(S2):945-948.
[4]卢庆练.TJ180步履式架桥机架设铁路T梁施工技术[J].施工技术,2016,45(S2):282-286.
[5]邵志元.单导梁架桥机架设325m小曲线铁路T梁技术研究[J].施工技术,2016,45(S2):779-783.
[6]邹芒.小曲线半径大纵坡桥梁40m T梁架设安装施工技术[J].公路工程,2011,36(3):122-124.
[2]顾金权.高速铁路架桥机过槽形梁架设施工技术[J].施工技术,2017,46(5):83-86.
[3]潘明东.十白高速公路跨襄渝铁路立交桥50m T梁架设施工方案[J].施工技术,2017,46(S2):945-948.
[4]卢庆练.TJ180步履式架桥机架设铁路T梁施工技术[J].施工技术,2016,45(S2):282-286.
[5]邵志元.单导梁架桥机架设325m小曲线铁路T梁技术研究[J].施工技术,2016,45(S2):779-783.
[6]邹芒.小曲线半径大纵坡桥梁40m T梁架设安装施工技术[J].公路工程,2011,36(3):122-124.