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桥梁快速施工技术在鱼山大桥中的创新应用
鱼山大桥线位图
linemap of Yushan bridge
岱北大围垦
工程难点
Engineering difficulties
支撑条件缺乏
建设条件复杂 建设规模浩大 建设工期紧迫
Lack of support conditions Complex conditions Great scale of construction Urgent construction period
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.
Main aisle linemap of Ningbo-Zhoushan Port
甬舟高速
Ningbo-Zhoushan Highway
富翅互通
Connect with Fuchimen bridge
富翅门大 桥
Fuchimen bridge
烟墩互通
Connect with Yandun
岑港互通
Connect with Cengang
• 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.
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
G329
灰鳖洋
Huibie ocean zone
Yushan bridge
鱼山大桥
长白互通
Connect with Changbai
舟岱大桥
ZhoushanDaishan bridge
北向大通道
large channel northward
双合互通
Merge channels
岱山环岛
Daishan roundabout
无案例可借鉴 No case to learn
桥梁快速施工技术在鱼山大桥 中的创新应用
2108.11
汇报内容 Outline
01 工程背景 Project Context
02 桥梁设计 Bridge Designs
03 桥梁施工组织 Bridge Construction Organization
项目背景 Project context
宁波舟山港主通道线位图
工程难点
Engineering difficulties
支撑条件缺乏
Lack of support conditions
建设条件复杂
建设规模浩大
建设工期紧迫
Complex conditions Great scale of construction Urgent construction period
工程难点
Engineering difficulties
支撑条件缺乏 建设条件复杂 建设规模rt conditions Complex conditions Great scale of construction Urgent construction period
工程难点
Engineering difficulties
支撑条件缺乏 建设条件复杂 建设规模浩大 建设工期紧迫
Lack of support conditions Complex conditions Great scale of construction Urgent construction period
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.
季风、台风 monsoon and typhoon
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.
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.
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.
海底电缆 DC cable
Navigation zone
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
submarine DC cables
地质条件复杂 Complex geological conditions
基岩埋深大于100m,最大埋深140m