单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020/3/7,#,桥梁快速施工技术在鱼山大桥中的创新应用,2108,.11,桥梁快速施工技术在鱼山大桥中的创新应用2108.11,1,汇报内容,Outline,工程背景,Project Context,01,桥梁设计,Bridge Designs,0,2,桥梁施工组织,Bridge Construction Organization,0,3,汇报内容Outline工程背景01桥梁设计02桥梁施工组织,2,01,项目背景,Project context,01项目背景,3,宁波舟山港主通道线位图,岑港互通,Connect with Cengang,富翅互通,烟墩互通,Connect with Yandun,长白互通,Connect with Changbai,双合互通,Merge channels,舟岱大桥,长 白,Changbai,岱 山,Daishan,舟 山,Zhoushan,定 海,Dinghai,册 子,Cezi,灰 鳖 洋,Huibie ocean zone,鱼山大桥,甬舟,高速,Ningbo-Zhoushan Highway,北向大通道,large channel northward,富翅门大桥,Fuchimen bridge,岱山环岛,Daishan roundabout,G329,鱼山国际绿色石化基地,Yushan international green petrochemical base,上海,Shanghai,宁波,Ningbo,Main aisle linemap of Ningbo-Zhoushan Port,Connect with Fuchimen bridge,Zhoushan-Daishan bridge,Yushan bridge,宁波舟山港主通道线位图岑港互通富翅互通烟墩互通 Connec,4,鱼山大桥线位图,鱼山大桥,石化大道,鱼山航道,岱北大围垦,linemap,of,Yushan,bridge,Yushan bridge,鱼山大桥线位图鱼山大桥石化大道鱼山航道岱北大围垦linema,5,工程难点,鱼山大桥孤悬海外,Yushan bridge stand lonely on the sea.,岱山和鱼山距离本岛在,16km,以上,Daishan and yushan are more than 16km away from the island.,桥位缺乏遮蔽,Bridge position lack of shelter.,岱 山,Daishan,舟 山,Zhoushan,宁 波,Ningbo,R=16km,鱼 山,Yushan,金 塘,Jintang,支撑条件缺乏,Lack of support conditions,建设条件复杂,Complex,conditions,建设规模浩大,Great scale of construction,建设工期紧迫,Urgent construction period,Engineering difficulties,工程难点鱼山大桥孤悬海外岱 山舟 山宁 波R=16km鱼 山,6,风力,6,级为,173,天，,8,级,为,66,天,。,Wind power 6 is 173 days,Wind power 8 is 66 days,有效工作日仅,200,天左右。,The effective working day is,only about 200 days.,季风、台风,monsoon and typhoon,桥位水流速度大,High speed of water flow at bridge site,最大设计流速,2.84m/s,Maximum design flow rate,is 2.84m/s,大于,其他跨海大桥的设计流速。,Design flow rates higher than,other sea-crossing bridges.,基岩埋深大于,100m,，最大埋深,140m,The buried depth of bedrock is,more than 100m,and the,maximum buried depth is 140m,岩性复杂，可分为,6,大类,12,小类,。,The complex lithology can be,divided into 6 categories and 12,sub-categories.,地质条件复杂,Complex geological conditions,工程难点,支撑条件缺乏,Lack,of,support,conditions,建设条件复杂,Complex,conditions,建设规模浩大,Great scale of construction,建设工期紧迫,Urgent construction period,Engineering difficulties,通航孔桥跨越舟山国家柔性直流输电示范工程舟岱线海底电缆,Navigation zone aross the ntricate submarineDC cables,海底电缆,DC cable,Navigation zone,DC Cables,风力 6级为173天，8级为66天。季风、台风 桥位,7,路线总长,8.815km,，海域桥长,7.782km,，墩台共,114,个,The overall length of the route is 8.815 km,and the bridge length of sea area is 7.782 km,and there are a total of 114 piers.,上部结构全部节段预制拼装，共计,2370,榀节段梁，及,89m,长钢箱梁,All sections of the superstructure are prefabricated and assembled,with a total of 2,370 trusses of segmental beams and 89m steel box beams,下部结构包括,170,余根超大超长桩基，最大桩径,5m,，最大桩长,148.2m,The substructure consists of more than 180 super-long piles with a maximum pile diameter of 5m and a maximum length of 148.2m.,工程难点,支撑条件缺乏,Lack of support conditions,建设条件复杂,Complex conditions,建设规模浩大,Great scale of construction,建设工期紧迫,Urgent construction period,Engineering difficulties,路线总长8.815km，海域桥长7.782km，墩台共114,8,通,车,Open to traffic,2016/9,2018/12,开工,Commencement of Work,2017/1,2018/1,27,months,跨海大桥,7782,米,/1,座,The bridge is 7782 meters across the sea,无案例可借鉴,No case to learn,工程难点,支撑条件缺乏,Lack,of,support,conditions,建设条件复杂,Complex,conditions,建设规模浩大,Great scale of construction,建设工期紧迫,Urgent construction period,Engineering difficulties,通车2016/92018/12开工2017/12018/12,9,支撑条件缺乏,Lack,of,support,conditions,建设条件复杂,Complex conditions,建设规模浩大,Great scale of construction,建设工期紧迫,Urgent construction period,快速、高质量完成,complete this huge project quickly with better quality,快速、高质量完成,10,创新“三减少”管理理念,“three reductions”management concept,三减少,Three,reductions,海上作业工序减少到最少,Minimize construction works at sea,海上作业人数减到最少,Minimize the number of constructors at sea,海上作业时间减到最短,Minimize construction time at sea,设计方面,Bridge Design,施工组织,Construction,Organization,创新“三减少”管理理念三减少Three海上作业工序减少到最少,11,0,2,桥梁设计,Bridge Designs,02桥梁设计,12,标准化设计,Standardized design,强化统筹设计,减少作业时间,Strengthen the overall design,Reduce operating time,设计方面,Design aspects,工厂化预制,Factory prefabrication,标准化设计 强化统筹设计设计方面工厂化预制,13,Navigationzone,Non-navigationzone,Non-navigationzone,Shallow Water,Deep Water,Deep Water,Shallow Water,鱼山大桥全桥分为,3,个区域，通航孔桥，岱山侧通航孔桥，鱼山侧通航孔桥,The bridge is divided into 3 zones,navigationzone,non-navigationzone near by Daishan island and non-navigationzone near by Yushan island.,非通航孔桥分为靠近通航孔桥的深水区和靠近岸边的浅水区,Non-navigation zone is divided into deep water zone and shallow water zone.,桥梁区域划分,Zones of the bridge,Navigationzone Non-navigati,14,上部结构,Superstructure,下部结构,Substructure,全桥节段梁,segmental girder of full bridge,通航孔桥,navigation bridge,非通航孔桥,non-navigable bridge,主跨,260,main span 260m,深水区：,70m,Deep water:70m span,群桩承台结构,Group pile platform structure,桩径：,3.8-3.0,pile diameter:,3.8-3.0,双曲面花瓶墩：,3.6,Double curved vase pier:,3.6,桩径：,4.5-4.0,5.0-3.8,Pile diameter,：,4.5-3.8,5.0-3.8,双曲面花瓶墩：,3.6,Double curved vase pier:,3.8,单桩独柱结构,Single,pile,single,column,structure,浅水区：,50m,跨,Shallow water:50m span,项目背景,Project context,标准化设计,上部结构下部结构全桥节段梁通航孔桥navigation br,15,项目背景,Project context,通航孔桥设计,Zones o