| 宁波明州大桥400t缆索吊装系统架设技术 |
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| 引用本文： | 曹国银,陈呜.宁波明州大桥400t缆索吊装系统架设技术[J].桥梁建设,2011(5). |
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| 作者姓名： | 曹国银 陈呜 |
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| 作者单位： | 1. 宁波市市政公用工程安全质量监督站,浙江宁波,315010
2. 中交第二航务工程局,湖北武汉,430071 |
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| 摘 要： | 宁波明州大桥主桥为(100+450+100)m中承式双肢钢箱系杆提篮拱桥,该桥中跨拱肋及加劲梁采用缆索吊方案施工。缆索吊装系统设计承载力达4 000kN,采用缆扣合一结构,主要由塔架及稳定系统、主索系统、起重牵引系统、索鞍、卷扬机系统、锚固系统、电气控制系统等组成。其中,缆塔和扣塔采用2台250t.m塔吊安装;缆风采用往复牵引系统安装,并通过安装分析,实现一次张拉到位;采用主索反置技术,主索采用类似缆风的往复牵引系统牵引过江,应用快速张拉调整装置张拉调节;主索张拉后进行牵引索安装、起重索安装、扁担梁安装、跑车连接、主索及缆风调整等,最后通过调试、试吊完成缆索吊装系统架设。
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| 关 键 词： | 拱桥 缆索吊 架设 桥梁施工 |
Techniques for Installation of 400t Capacity Cable Hoisting System of Mingzhou Bridge in Ningbo |
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| CAO Guo-yin,CHEN Ming.Techniques for Installation of 400t Capacity Cable Hoisting System of Mingzhou Bridge in Ningbo[J].Bridge Construction,2011(5). |
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| Authors: | CAO Guo-yin CHEN Ming |
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| Institution: | CAO Guo-yin1,CHEN Ming2 (1.Ningbo City Safety and Quality Supervision Station of Public Works,Ningbo 315010,China,2.CCCC Second Harbor Engineering Co.,Ltd.,Wuhan 430071,China) |
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| Abstract: | The main bridge of the Mingzhou Bridge in Ningbo is a half-through two-leg steel box basket handle tied arch bridge with span arrangement(100+450+100) m.The arch ribs and stiffening girder of the central span of the bridge were erected by the construction scheme of cable hoisting system.The designed carrying capacity of the cable hoisting system is 4 000 kN and the system is an integrated cable and fastening stay tower structure mainly made up of the towers,tower stabling system,main cable system,hoisting a... |
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| Keywords: | arch bridge cable hoisting system erection bridge construction |
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