此前，项目已完成东、西两岸边跨主桁及东、西两岸边跨双层桥面系安装等重要节点。此次吊装的 东岸左幅主梁首节段桁片构件重达320吨，尺寸大、吨位重，创下京杭大运河桥梁施工单台浮吊独立吊 装最大吊重记录，对吊装方式及设备提出了较高要求。 吊装能力和稳定性都较强的800吨大型浮吊船，如同"水上擎天柱"，可以稳稳地将"庞然大物"提升 至数十米高空，不仅克服了运河航道宽度的限制，还确保了吊装作业的安全与高效。此外，京杭大运河 是水上交通运输大动脉，为了给浮吊作业提供安全、无干扰的"水上舞台"，余杭交通前期就开展了周密 协调和精心准备，将水中临时墩和相关封航管控措施提前落实到位。 近日，京杭运河（余杭段）河面上机声轰鸣，一艘800吨浮吊船将重达320吨的桥梁构件从运输船舶 上缓缓吊离，构件在空中完成一个顺滑"转体"后，精准降落在预定位置……随着中跨首节段吊装的顺利 完成，余杭区东西大道运河大桥改造工程开启中跨施工阶段。 新建的东西大道运河大桥是浙江省首座大跨径双层钢桁架拱桥，全长1.01公里，主桥长300米，上 跨京杭大运河。其上层是杭州都市区中环快速路组成部分，为双向六车道；下层为城市主干路，设"双 向六车道+非机动车道 ...

6月4日，汉南长江大桥北岸锚碇沉井施工现场，80多名工人正在进行锚碇沉井下沉作 业，重达数百吨的预制钢筋部品通过巨型吊机，如积木般精准嵌入深达43米的沉井内。 建设中的汉南长江大桥 "这是世界公路工程第一大沉井，面积相当于14个篮球场，有15层楼高。"武汉交投汉南 桥项目公司工程部部长胡志红说，汉南长江大桥锚碇采用整体式沉井基础，面积近6000平方 米，首次下沉锚碇重约9.4万吨，沉井采用接高与下沉交替进行，目前已下沉深度5米。 编辑：李智恒 胡志红介绍，为抢抓主汛期来临前黄金建设期，工程日夜施工，采用大型沉井装配化建 造技术，在预制厂内将隔墙分块预制成半成品，现场逐块组拼成形，提升工业化建造水平。 目前，大桥两岸沉井均已启动下沉，南岸锚碇沉井下沉深度已达15.8米，计划年底全部完 工。 据介绍，汉南长江大桥及接线工程预计2027年建成通车，将打通武汉都市圈环线高速， 串起武汉、孝感、咸宁、鄂州、黄冈等城市，打造一小时通勤圈，推动武汉都市圈同城化进 程。 锚碇是一座大桥的"基石"，也是"定海神针"，由沉井和锚体组成，承担着固定桥梁缆索 的巨大拉力，沉井内有36个孔，结构类似方形蜂窝煤。 目前，武汉在建的第12 ...

转自：推广 5月31日，由蜀道集团投资建设（蜀道高速集团主导投资、四川省公路院设计、四川路桥承建）的西香 高速雅砻江特大桥香格里拉岸索塔双幅承台顺利完成浇筑，标志着大桥两岸承台浇筑完成，桥梁建设全 面进入索塔施工阶段。 砻江特大桥效果图（图片左侧为西昌岸，右侧为香格里拉岸） 雅砻江特大桥是西香高速"九大超级工程"之一，位于四川省凉山彝族自治州盐源县金河镇，横跨长江一 级支流雅砻江，连接盐源和西昌两地，为全长1482.5米、主跨1200米的双塔单跨钢桁梁悬索桥。值得一 提的是，雅砻江特大桥在设计中采用高韧性混凝土组合桥面板与钢桁梁组成板桁结合结构，这种设计在 跨度超过一千米的悬索桥里，属世界首创，它最大的好处是简化钢结构构造，能降低桥面板厚度，改善 桥面铺装的耐久性，提高使用寿命。 雅 西香高速起点位于西昌市小庙乡，途经盐源县，止于长柏乡川滇省界处，线路总长233.13公里，隧道 131公里/32座，桥梁39公里/131座，桥隧比73.4%。项目跨越3大地质断裂带和7处生态敏感区，控制性 工程主要为3座悬索桥、5座10公里级隧道、1座全地下枢纽互通。概算总投资587.38亿元，单公里造价 2.51亿，批复工期6 ...

Core Points - The Xiangmen Railway's Xihoumen Bridge is a significant infrastructure project, marking the successful installation of the world's widest segment steel beam, measuring 68 meters wide, indicating progress from foundation work to superstructure construction [1][3] Group 1: Project Overview - The Xihoumen Bridge is a public-railway dual-use bridge, part of the Ningbo-Zhoushan Railway and Ningbo-Zhoushan Expressway, connecting Jintang Island and Cezi Island [3][5] - The bridge spans 3,118 meters, with a main span of 1,488 meters, utilizing a cable-stayed and suspension system [3] - The design incorporates a "public-railway flat layer" to minimize wind resistance, and features a three-box separation main beam structure for enhanced wind stability [3] Group 2: Construction Details - The segment steel beam installed weighs 979 tons, with auxiliary lifting equipment adding another 1,600 tons, equivalent to over 1,000 small cars [4] - The bridge's construction involves complex steel beam installation plans, requiring three different schemes to adapt to varying support systems, with completion expected by 2027 [4] - Advanced technologies such as BIM, digital twin models, and various sensors are employed for real-time monitoring and management of the construction process [4]

Core Viewpoint - The construction of the Magufuli Bridge over Lake Victoria is a significant infrastructure project aimed at enhancing connectivity and economic development in Tanzania, showcasing the collaboration between Chinese and Tanzanian engineers [2][5][7]. Group 1: Project Overview - Lake Victoria, the largest lake in Africa, has long posed transportation challenges for local residents due to ferry shortages and geographical barriers [2][5]. - The Magufuli Bridge, set to open on June 19, 2025, will be the longest cable-stayed bridge in Africa, facilitating easier access across the lake and promoting regional development [2][5]. - The project has been a priority for the Tanzanian government since the late 1990s, with significant support from the Chinese government and companies [5][6]. Group 2: Technical Challenges and Innovations - The project faced ecological and technical challenges, including the need to protect the lake's water quality and manage complex geological conditions [6][7]. - Chinese engineers developed innovative solutions to construction challenges, including the use of BIM digital construction systems to minimize resource waste and carbon emissions [6][7]. - The project has created over 2,000 jobs in Tanzania, with local employees participating in nearly 95% of the workforce [11][12]. Group 3: Local Impact and Community Engagement - The bridge will reduce transportation time across the lake from over two hours to just five minutes, significantly lowering transportation costs by 10% to 15% [7][11]. - Local youth have benefited from the project, gaining skills and employment opportunities, which has fostered a sense of pride and community development [9][10][12]. - The collaboration has strengthened ties between Chinese and Tanzanian engineers, with knowledge transfer and training being integral to the project's success [14][16].

Core Viewpoint - The article highlights China's rapid advancements in bridge construction, projecting that by 2030, it will achieve significant milestones including the world's longest suspension bridge and the highest bridge, redefining civil engineering limits [1][2]. Group 1: Achievements in Bridge Construction - By 2030, China is expected to have the world's longest suspension bridge, the highest bridge, and various record-breaking cable-stayed bridges [1]. - The Changtai Yangtze River Bridge, set to open this year, will become the world's largest cable-stayed bridge with a main span of 1208 meters, surpassing the current record of 1104 meters held by the Russky Island Bridge [2][4]. - The Zhangjingao Yangtze River Bridge, scheduled for completion in 2028, will feature a main span of 2300 meters, making it the world's largest suspension bridge [4][6]. Group 2: Innovative Engineering Techniques - Advanced surveying methods, modeling, and engineering technologies, including breakthroughs in material science, are driving China's bridge construction [1]. - The rapid development of artificial intelligence (AI) and the use of automated construction equipment are expected to enhance safety and efficiency in bridge building [1]. Group 3: Notable Bridge Projects - The Danqing Grand Bridge, measuring 164.8 kilometers, holds the Guinness World Record for the longest bridge [9][11]. - The Xiyuanmen Railway and Highway Bridge in Zhejiang will become the world's largest combined rail and road bridge upon completion [12]. - The Tian'e Longtan Grand Bridge in Guangxi is currently the largest arch bridge in the world, with a main span of 600 meters, surpassing the previous record by 155 meters [13][15]. Group 4: Future Prospects - The Lion's Ocean Bridge in Guangdong is expected to become the world's first double-deck suspension bridge exceeding 2000 meters in main span [18]. - The Guanyinsi Yangtze River Bridge in Hubei is projected to become the second-largest cable-stayed bridge upon its completion in 2026 [21][22]. - The Hong Kong-Zhuhai-Macao Bridge, completed in 2018, is the longest sea-crossing bridge globally, significantly reducing travel time between the regions [22][24].

5月26日上午，随着最后一根索股精准就位，由湖北交投集团投资、中交二航局、中铁大桥局承建的世界最大跨径四主缆悬索桥—— 燕矶长江大桥完成主缆架设。 燕矶长江大桥全长约26千米，主跨1860米，上层为高速公路，设计时速100公里，下层为城市快速路，设计时速80公里。 上午9点58分，现场指挥一声令下，主缆架设工程进入最终阶段。卷扬机缓缓启动，牵引着最后一根索股向北岸进发。在猫道上，施 工人员紧张而有序地进行着各项操作，确保索股顺利通过各个滑轮和导向装置。通过对实时监测数据的精准分析，施工人员对索股的位置 和张力进行微调，最终确保其精准到达预定位置。 站在江边远眺，四根巨大的主缆在蓝天白云的映衬下熠熠生辉，宛如四条钢铁巨龙，从北锚碇昂首出发，跨越浩荡江面，经北岸主塔 和南岸主塔，最终抵达南锚碇，场面蔚为壮观。 湖北交投集团燕矶长江大桥公司相关负责人介绍，每根主缆直径约1.04米，单根长度约3000米，均由217根索股组成，而每根索股又由 127根直径为5.6毫米的锌铝合金镀层高强钢丝构成，这些主缆如同大桥的 "生命线"，承担起整座桥的重量分布重任。 -- and for the region a book and ...

Core Points - The G325 Guangnan Line Qinjiang Bridge of the Pinglu Canal successfully completed the arch rib closure on May 22, laying a solid foundation for subsequent construction activities [1][3]. Group 1: Project Overview - The bridge spans a total length of 397.04 meters, with the main bridge measuring 300 meters and a total width of 28.5 meters. The main arch employs a steel pipe concrete truss structure [3]. - The bridge consists of 36 arch rib segments, utilizing vertical assembly, asymmetric rotation closure, and bracket assembly methods for construction, with the maximum lifting weight reaching approximately 166 tons [3]. Group 2: Construction Management - The construction management team, comprising Pinglu Canal Group, Yellow River Survey and Planning Design Institute, Guizhou Lutong Engineering Management Consulting, and China Railway Shanghai Engineering Group, opted for a vertical assembly followed by clockwise vertical rotation method for construction [3]. - A specialized plan for processing and installation was developed to ensure smooth construction, addressing challenges posed by navigation, hub, and water conservancy engineering intersections [5]. Group 3: Safety and Innovation - The management team collaborated with meteorological departments for real-time monitoring and early warning of severe weather, implementing wind reinforcement for temporary facilities and formulating emergency plans for extreme weather to ensure safety [5]. - Innovative deformation coupling assembly methods were employed to achieve millimeter-level precision in installation, ensuring high accuracy and control of the arch rib's vertical assembly [5]. - The use of 4D point cloud laser scanning technology, combined with a synchronous hydraulic control system and an independently developed automatic detection control platform, facilitated intelligent rotation operations of the arch ribs, achieving synchronized and precise lowering of different trajectories [5].

济微高速跨瓦日铁路立交桥项目2#主墩承台，兼具规模性与技术创新性，采用滑道后安装施工工艺。因预埋件安装精度直接影响桥梁后期安全性与稳定性， 施工方采用新型固定装置，通过精细化方案设计，实现预埋件精准定位，为后续工程推进奠定基础。 在混凝土浇筑环节，面临单次3620立方米的浇筑体量，施工方部署两台混凝土泵车实施不间断作业，历时41小时完成浇筑。此次施工存在浇筑体量大、持续 时间长、温控要求严苛等难点，尤其需严格控制混凝土水化热。施工过程中，从原材料筛选、配合比调配，到浇筑全程温度监测与养护，均执行标准化流 程，确保混凝土施工质量达标。 由于该主墩施工临近营业线，施工作业安全风险突出。施工单位与济南局各监管单位密切沟通协调，依据邻近营业线施工管理规定与"三不得"要求，构建安 全保障体系，制定应急预案，并对施工人员开展专项安全培训，确保人员持证上岗，保障营业线运营安全。 齐鲁晚报·齐鲁壹点记者 王瑞超 实习生 杨雨凡 2025年5月20日，由中铁十局八公司负责施工的济微高速跨瓦日铁路立交桥项目2#主墩承台历经41小时，完成混凝土浇筑作业，这标志着项目建设迈出了坚 实且关键的一步，为后续墩身、梁部等结构施工的顺利开展 ...

Core Viewpoint - The construction of the Bangbed Interchange in Conakry, Guinea, by China Power Construction Group marks a significant advancement in the country's infrastructure, addressing severe traffic congestion and enhancing urban development [1][2]. Group 1: Project Overview - The Bangbed Interchange is a three-layer structure located at the intersection of Prince Avenue and T2 Road, designed to alleviate traffic congestion in a high-traffic area where daily vehicle flow exceeds design capacity by three times [1]. - The interchange will provide solutions for entering and exiting the city, inter-regional travel, and quick access to the airport, effectively easing traffic conditions in the surrounding areas [1]. Group 2: Local Impact - Local residents express optimism about the interchange, anticipating significant improvements in travel times and overall quality of life, as the previous traffic conditions were described as torturous [1][2]. - The project is seen as a model for urban road expansion and management in African countries, showcasing a successful collaboration between Chinese and local builders [2].