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500米级钢管混凝土拱桥建造创新技术(长大桥梁建养关键技术丛书)
$63.46
《500米级钢管混凝土拱桥建造创新技术》对500米级钢管混凝土拱桥建造工程实践理论和技术进行创新和完善,形成的成果具备极强的实践性和指导意义。围绕跨径500米级钢管混凝土拱桥及劲性骨架混凝土拱桥设计、施工、混凝土材料、大型临时施工设施进行了深入研究,提高了工程质量,降低了造价和施工风险。
《500米级钢管混凝土拱桥建造创新技术》介绍了大跨径钢管混凝土拱桥及以其为劲性骨架的混凝土拱桥的建造数量、跨径及重要关键施工技术。钢管混凝土拱桥是钢拱桥拱圈中一部分钢被混凝土代替,以混代钢部分只用钢价1/27,拱圈架设重量只为钢拱的1/2,所以架设速度快、风险低,造价低,地基能提供有效抗力时,代替钢拱是必然趋势,在软弱地基建系杆拱,值得比较。 作者郑皆连院士是中国近几十年拱桥发展的见证者、参与者与创新者,为总结近期的成功经验,推动钢管混凝土拱桥及劲性骨架混凝土拱桥建设,进一步提高质量、降低造价及风险,向更大跨径发展。本书内容获2018年国家科技进步二等奖。作者及带领的团队参与并指导了当前世界*跨径钢管混凝土拱桥、劲性骨架混凝土拱桥建设的成功经验,在工程实践中不断对原有理论和技术进行创新和完善,因此形成的成果具备极强的实践性和指导意义。
郑皆连 中国工程院院士,广西大学博士生导师,教授级高级工程师,路桥工程专家。长期从事桥梁设计、施工、管理工作,致力于拱圈无支架施工工艺研究,首创了我国双曲拱桥无支架施工新工艺,解决了不立拱架修建拱桥的难题。在调控劲性骨架混凝土拱桥浇筑拱圈混凝土过程中发生的瞬时应力及降低拱圈永存应力的研究和实践中取得了重大突破,指导了世界跨径钢管混凝土拱桥、劲性骨架混凝土拱桥的成功建设,为我国这两类拱桥的高质量、高速度发展及技术领先世界做出了重大贡献。曾获国家科技进步奖三项、李国豪桥梁原创技术奖等奖项。
第1章 绪论 11.1钢管混凝土拱桥的特质11.2钢管混凝土拱桥发展历程31.3钢管混凝土拱桥拱圈无支架施工91.3.1斜拉扣挂悬拼91.3.2转体施工121.4钢管混凝土拱桥拱圈施工风险13参考文献15
第2章500米级钢管混凝土拱桥设计 162.1桥位及桥型方案比选162.1.1合江长江一桥162.1.2合江长江三桥182.2关键结构研究202.2.1拱圈悬拼单元202.2.2拱圈内横隔212.2.3拱圈横撑232.2.4拱圈肋间横梁252.2.5拱圈悬吊结构多维连接体系252.2.6拱座272.3强度与刚度计算292.3.1合江长江一桥292.3.2合江长江三桥452.4受力机理探讨622.4.1材料参数对承载能力的影响622.4.2长细比对承载能力的影响632.4.3徐变对承载能力的影响662.4.4脱空对承载能力的影响682.4.5初应力对承载能力的影响692.4.6非线性对承载能力的影响712.4.7动力性能的宏观评价72参考文献73
第3章 拱桁节段制造与运输 743.1拱桁节段误差分析与控制743.1.1拱桁节段施工误差限值743.1.2拱桁节段施工精度控制753.2拱桁节段制造与工厂试拼装763.2.1卧式制造783.2.2立式拼装833.3拱桁节段焊接853.3.1焊接工艺评定853.3.2焊接方法及相关要求853.3.3实际应用效果863.3.4自动焊接技术应用863.4法兰盘和拱铰轴制作863.4.1法兰盘制作863.4.2拱脚轴制作883.5拱桁节段运输903.5.1现场预制平车运输903.5.2拱桁节段整体水运90
第4章 斜拉扣挂体系设计与施工 924.1概述924.1.1斜拉扣挂技术应用简况924.1.2扣挂体系分类934.1.3扣挂体系类别的优缺点944.1.4扣挂体系的选择954.2扣挂体系组成部分954.2.1扣索954.2.2扣点、转点954.2.3塔上索鞍或交换梁964.2.4扣塔964.2.5地锚994.3合江长江一桥斜拉扣挂体系994.3.1斜拉扣挂体系设计994.3.2斜拉扣挂体系计算1034.3.3预应力岩锚施工1084.3.4塔架安装与拆除1094.4平南三桥斜拉扣挂体系1194.4.1斜拉扣挂体系设计1194.4.2斜拉扣挂体系计算1224.4.3锚拉板式扣点1364.4.4扣点分配横梁1374.4.5钢绞线转向索鞍1394.4.6扣索平台1394.4.7塔架安装与拆除1424.4.8扣索荷载试验146参考文献147
第5章 斜拉扣挂一次张拉计算方法及实践 1485.1概述1485.2斜拉扣挂数学模型及施工优化方法1495.2.1斜拉扣挂数学模型及施工优化方法1495.2.2“过程,结果可控”斜拉扣挂施工优化方法1505.3工程应用1525.3.1马滩红水河特大桥1525.3.2六律大桥1615.3.3平南三桥164参考文献179
第6章 管内混凝土制备与灌注 1806.1脱黏、脱空现象和灌注工艺1806.1.1钢管混凝土脱黏、脱空现象及成因1806.1.2灌注工艺1816.2管内混凝土原材料1826.2.1混凝土常规材料1826.2.2高稳健性外加剂技术1836.2.3全过程补偿技术1846.3真空辅助灌注工艺及试验1876.3.1管内混凝土真空辅助灌注工艺1876.3.2工艺试验1886.3.3试验结果及分析1906.4管内混凝土灌注施工工程应用1956.4.1工程背景1956.4.2灌注效果1996.4.3灌注施工管理分析202参考文献215
第7章 缆索吊运系统设计、施工与应用 2167.1缆索吊运系统组成2167.1.1塔架2177.1.2风缆2177.1.3索系统2177.1.4其他2207.2缆索吊运系统分类2217.2.1塔架式缆索吊2217.2.2无塔架缆索吊2227.2.3可横移式缆索吊2227.3缆索吊机主索几何非线性分析2247.3.1抛物线解析法2247.3.2非线性索轮单元法2287.4合江长江一桥缆索吊运系统2337.4.1缆索吊运系统设计及强健性研究2337.4.2超大跨钢管拱肋吊运系统关键技术研究2387.4.3缆索吊运系统安全检校2437.5平南三桥缆索吊运系统2447.5.1缆索吊运系统设计与计算2457.5.2主地锚计算250参考文献251
第8章 吊、扣塔位移适时主动施力控制 2538.1概述2538.2主动施力控制与刚度被动控制的比较2558.3主动施力控制塔顶水平位移的实现途径2568.4马滩红水河特大桥吊、扣塔2578.4.1GNSS位移自动化监测系统2578.4.2塔架主动施力控制方法257参考文献260
第9章 劲性骨架混凝土拱桥 2619.1发展概况2619.2降低拱圈混凝土浇筑过程中劲性骨架的瞬时应力及永存应力2659.2.1国外调载工法2669.2.2国内调载工法2669.3工程应用2689.3.1邕江大桥2689.3.2南盘江特大桥2769.4劲性骨架调载方法280参考文献281
近年来,大跨径钢管混凝土拱桥及以其为劲性骨架的混凝土拱桥无论从建造数量、跨径、质量都形成了一次较为集中的突破,保持了我国在拱桥建设上引领世界的地位。本书作者是中国近几十年来拱桥发展的见证者、参与者与创新者,为总结近期的成功经验,推动钢管混凝土拱桥及劲性骨架混凝土拱桥建设,进一步提高质量、降低造价及风险,向更大跨径发展,也是为了响应上海科学技术出版社的邀约,历时一年多,几易其稿,终于完成了这部对桥梁工程建设者、桥梁科技工作者及桥梁专业大学生有重要参考价值的专著。全书共分为9章,各章节主要内容分别如下: 第1章介绍了钢管混凝土拱桥特质,与其他桥型的比较,发展历程、发展水平,拱圈架设方法,施工风险。 第2章主要描述了世界仅有三座跨径超过500米级的钢管混凝土拱桥与钢拱桥、斜拉桥、悬索桥技术、经济的比较结果,独家提出基于悬拼节段的拱圈设计,进行静动力计算,并对受力机理进行了讨论。 第3章介绍了跨径500米级钢管混凝土拱桥拱圈悬拼节段工厂制造流程、精度控制、大型悬拼节段船舶运输。 第4章具体介绍了两座跨径超500米级钢管混凝土拱桥拱桁斜拉扣挂施工技术,并对不同扣挂方法进行比较。 第5章独家提出了拱圈节段悬拼一次张拉扣索、过程中不用调索的计算方法,验证了计算方法的正确性及在实桥中的应用。 第6章介绍了大流动性、膨胀收缩可设计的混凝土材料,真空辅助压力连续灌注管内混凝土工艺及设备,以及在多座特大型钢管混凝土拱桥中的应用。 第7章介绍了缆索吊运系统的设计、施工与应用。缆索吊运系统是拱桥拱圈悬拼施工采用多的临时大型设施,对拱桥施工安全、速度、精度、造价影响大,研究意义重大。 第8章介绍了独创的主动施力控制代替刚度被动控制吊、扣塔位移的原理、方法,实现了塔顶位移控制在20mm内的巨大进步。 第9章介绍了我国工程师把钢管混凝土拱用作劲性骨架,发明了分环、多工作面浇筑,斜拉索调载技术,把劲性骨架混凝土拱桥跨径提高到近500m的研究及实践成果。 本书中的主要成果支撑了主跨507m的合江长江公路大桥、主跨530m的合江长江一桥(通车的世界跨径钢管混凝土拱桥)和主跨575m的平南三桥(在建世界跨径拱桥)的建造。本书作者带领团队参与并指导了这三座桥的建设,在工程实践中不断对原有理论和技术进行创新和完善,因此形成的成果具备极强的实践性和指导意义。 广西大学教授郑皆连撰写了第1章、第8章、第9章,并负责全书统稿;第2章主要由四川省公路规划勘察设计研究院有限公司总工程师牟廷敏撰写;第3章主要由广西路桥工程集团有限公司总工程师韩玉撰写;第4章、第5章、第7章主要由广西路桥工程集团有限公司副总工程师秦大燕撰写;第6章主要由广西路桥工程集团有限公司副总工程师王建军撰写。 参与本书工作的还有广西路桥工程集团有限公司解威威、郑健、叶志权、何建乔、隗磊军,四川省公路规划勘察设计研究院有限公司范碧琨、赵艺程、郑旭峰、林小军、田波、汪洋、邹圻,广西交通科学研究院有限公司姚鑫玉。 在无收缩管内混凝土材料制备技术上得到了东南大学缪昌文院士、刘加平教授团队的大力支持。本书中用到的大量图片除了作者长期搜集积累之外,各工程参建单位也进行了补充,在此一并表示衷心的感谢。感谢中铁二院工程集团有限责任公司副总工程师陈克坚、国家设计大师马庭林,以及中铁十八局云桂铁路南盘江特大桥经理部为第9章提供资料。 由于500米级钢管混凝土拱桥及以其为劲性骨架的混凝土拱桥目前正处于蓬勃发展、广泛推广应用的阶段,跨径也进一步向着600m乃至700m突破,相应的建造技术也在实践应用中不断创新和进步,因此本书成果还起着承前启后的作用,也要在实践中进一步完善。再经过数年的发展应用,拱桥可能会在桥梁家族中找到更合适的定位,届时编著一本更大跨径拱桥建造技术的书亦是一项义不容辞的工作。在此过程中衷心期望广大业界同仁共同参与并提供意见和建议,携手为我国拱桥事业的进步做出努力。
郑皆连2019年7月
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