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].

Core Points - The static load test for the Wumeng Mountain Bridge was conducted on May 17, marking a significant step towards its completion [3][7][11] - The bridge is a key control project for the Naying to Qinglong Expressway, featuring a main span of 270 meters and a designed speed of 100 kilometers per hour [5][11] Group 1 - The static load test involved 12 large trucks loaded with sand and gravel, which were positioned for symmetrical and eccentric testing to assess the bridge's structural performance and actual load-bearing capacity [3][7][11] - The test results will provide a scientific basis for the bridge's completion acceptance [3][7][11]

Core Viewpoint - The completion of the Longxing Bridge, a key project of the Chang-Jiu High-speed Railway, marks a significant achievement in engineering, setting six world records and enhancing transportation capacity in Nanchang [1][2]. Group 1: Project Overview - The Longxing Bridge spans 19 kilometers and integrates three transportation modes: high-speed rail, urban expressway, and main urban road [1]. - The bridge's main span of 320 meters and a design speed of 350 kilometers per hour make it a unique engineering feat [1]. Group 2: Engineering Techniques - The construction utilized a "first side span, then middle span" technique, ensuring precise alignment during the assembly of the steel beams [1]. - The bridge features innovative designs, including the world's largest diameter stay cables and the first use of elastic restraint supports in a cable-stayed bridge [1]. Group 3: Economic and Regional Impact - The completion of the bridge will significantly enhance Nanchang's cross-river traffic capacity [2]. - The Chang-Jiu High-speed Railway is a crucial part of China's national railway network, improving connectivity among key urban clusters and supporting regional economic development [2].

"高空大件吊装风险很高，我们必须全方位进行风险源辨识，事前组建专业钢结构吊装队伍，对起重 机、钢缆、吊具进行全面检查，并密切关注天气情况，避开大风大雨等影响吊装的极端天气，确保作业 安全无误。"中交二航局池州长江公铁大桥项目技术负责人谈磊介绍，钢结构焊接后冷却会形变，因此 在工厂内进行预拼焊接，能最大限度减少形变。安装过程中，一节梁偏差几毫米，全桥累计起来就会误 差很大。"我们对每节段的吊装都会实时监控纠偏，控制钢梁线性，确保最终合龙精度。" 池州长江公铁大桥作为合(合肥)池(池州)城际铁路控制性工程，建成通车后，对完善安徽路网布局和提 升皖南综合交通发展，加快融入长三角一体化发展具有重要意义。 5月14日，随着蓝色的巨型桥面吊机缓缓提起一节白色钢桁梁，长江安徽段第六座公铁大桥——池州长 江公铁大桥成功吊装首节钢桁梁，标志着该项目正式步入主桥上部结构钢梁施工阶段。 池州长江公铁大桥连接安徽省铜陵市和池州市，全长3108.5米，采用上层6线高速公路、下层2线高速铁 路和预留2线城际轨道布局。跨江主桥长1768米，采用主跨812米双层钢桁梁斜拉桥，主桥共计69个节 段，总重约91449吨，相当于3000头成年亚洲 ...

5月13日，历时64分，国道108线忻州段改建工程小泉沟特大桥41号墩顺时针转动76度后，跨越朔黄 铁路与主线桥实现完美衔接，上演"高空转体"，为全线建成通车奠定坚实基础。 6时15分，施工现场负责人按下启动键，2组千斤顶同步施加牵引力，承载着万吨梁体的球铰支座开 始以1.01度/分钟的速度顺时针转动。7时19分，梁体精准嵌入预设的合龙段，全站仪实测平面误差8毫 米，高程差5毫米，优于设计允许的12毫米偏差，"空中转体"顺利完成。 项目建成后，对于助力太忻一体化经济区与太原都市圈资源互补，提高国道通行能力和服务水平， 释放城市发展空间，优化国道108线在忻州及太原境内的路网衔接、提升道路安全水平、改善区域交通 条件，推动经济社会发展具有重要的作用和意义。(完) 国道108线忻州段改建工程位于繁峙县集义庄乡东侧，全长170.358公里。作为首都放射线G108线北 京——昆明公路在忻州境内的重要组成部分，小泉沟特大桥上跨朔黄铁路转体桥全长120米，梁面宽 30.18米，中支点梁高6.2米，边支点梁高3米，转体总重1.5万余吨，采用2×60米现浇箱梁预应力混凝土 转体桥形式跨越，是全线的重要控制性工程。 该项目由中 ...

转自：北京日报客户端 5月8日，中交路建承建的广东佛山市顺德大桥建成通车。项目位于佛山市顺德区东部新城，路线全长 2.62公里，其控制性工程顺德大桥横跨容桂水道，总长2455.14米，主跨626米，为钢混组合结构的高低 塔双索面混合梁斜拉桥，双向八车道，设计时速60公里，被誉为"佛山第一跨"。 当前，顺德东部新城由大良、容桂、伦教三街道组成，是本地区传统经济、文化与金融中心，跨容桂水 道的交通长期依赖已有的德胜大桥，其通行能力已饱和，成为制约区域融合的瓶颈。顺德大桥项目通车 后，将有效打通顺德融入粤港澳大湾区"一小时交通圈"区域道路瓶颈，加快粤港澳大湾区经济发展。 摄影：吴丽珍 来源：北京日报客户端 为突破施工中现有的技术壁垒，项目团队开展专项攻关，自主研发了"多功能自爬式钢塔提升机"。据项 目负责人赖引明介绍，该提升机集合了钢塔节段安装、钢横梁整体提升、钢箱梁安装、变截面适应性调 节、作业平台一体化爬升五个功能为一体，实现了"一机多用"，被大家形象地称为桥梁界的"变形金 刚"。 多功能自爬式钢塔提升机安装钢塔、钢横梁，突破传统安装工艺及设备，填补了钢塔施工在自爬升安装 方面的空白，引领了钢塔、钢横梁设计及施 ...

Group 1 - The construction of a new bridge in Bizerte, Tunisia, aims to alleviate severe traffic congestion caused by an outdated bridge, enhancing local transportation and tourism [1][2] - The project is being undertaken by Sichuan Road and Bridge Group, a subsidiary of China Shu Dao Investment Group, which was selected for its superior construction experience and technical capabilities [2] - The bridge will be a steel truss composite beam bridge, measuring 2070 meters in total length with a main span of nearly 300 meters, and is expected to become a local landmark [2] Group 2 - The project is significant as it represents the largest engineering contract for Chinese companies in Tunisia since the establishment of diplomatic relations, aiming to create a brand effect and expand into surrounding Arab markets [2] - The bridge is described as a symbol of "hard connectivity" through infrastructure, "soft connectivity" through technology, and "heart connectivity" through the friendship between China and Tunisia [3] - The project is expected to be completed within three years, fulfilling the long-held dream of local residents for a modern bridge [3]

Core Insights - The Shunde Bridge project, constructed by China Communications Road & Bridge, significantly reduces travel time between Daliang and Ronggui from 40 minutes to just 5 minutes [1] - The bridge spans 2.62 kilometers and features a main span of 626 meters, making it a notable engineering achievement in Foshan [1][3] - The project employs a unique steel-concrete composite tower design, with the Ronggui side tower reaching 204 meters and the Daliang side tower at 151 meters [3] Engineering Innovations - The project team developed a "multi-functional self-climbing steel tower hoisting machine" to overcome technical challenges in construction, which integrates multiple functions for enhanced efficiency [5] - This innovative hoisting machine has been recognized in various awards, including the 2022 Top Ten News in Transportation Science and Technology in China [5] - The new construction techniques and equipment have the potential to revolutionize the installation of steel towers and beams in bridge construction [5] Economic and Social Impact - The Shunde Bridge is a key component of the urban development strategy in Shunde District, aimed at enhancing regional connectivity and alleviating traffic congestion on the existing Desheng Bridge [7] - The bridge will facilitate faster transportation links to major urban areas, promoting economic collaboration in strategic industries such as renewable energy and biomedicine [8] - The project is expected to increase land development value and attract more investments, particularly in high-end residential areas near the bridge [8]

Core Viewpoint - The Huangmaohai Cross-Sea Passage has been awarded the George S. Richardson Medal at the 2025 International Bridge Conference (IBC), marking it as the only project from China to receive this honor in the current session, and it is the second such award for Guangdong Province and Guangdong Transportation Group [1][2]. Group 1: Project Recognition - The Huangmaohai Cross-Sea Passage is recognized for its outstanding achievements in design, construction, research, and education, as it is awarded the most prestigious medal in the bridge industry [1]. - The IBC is a highly influential academic conference in the global bridge community, with awards established in 1988 [1]. Group 2: Technical Innovations - The project team has achieved significant innovations in aesthetic design, structural systems, damping devices, wind vibration control technology, and industrialized construction methods to address challenges such as typhoons and marine corrosion [1][2]. - Technologies such as central auxiliary cables, liquid viscous dampers, and friction pendulum isolation bearings have notably enhanced the bridge's stiffness and durability [2]. Group 3: Environmental Considerations - The project incorporates green and eco-friendly principles, ensuring ecological protection and avoiding sensitive areas, thus achieving harmony with the natural environment [2]. Group 4: Economic Impact - The Huangmaohai Cross-Sea Passage strengthens connectivity between underdeveloped regions in western Guangdong and the Guangdong-Hong Kong-Macao Greater Bay Area, promoting coordinated regional economic development [2].

Core Viewpoint - The construction of the Jianyang Tuojiang Grand Bridge is a key project in the Chengdu-Chongqing high-speed railway, which will significantly reduce travel time between Chengdu and Chongqing to 50 minutes upon completion [7][8]. Design and Engineering - The bridge features a main arch span of 320 meters and side arches of 72 meters, designed as a thrust-free composite arch bridge to accommodate geological conditions and navigation needs [8][9]. - The design process began in 2020, with the team opting for a thrust-free composite arch bridge over a cable-stayed bridge due to lower excavation volume, shorter construction time, and reduced costs [10][11]. Construction Techniques - The construction employs Building Information Modeling (BIM) and virtual assembly technology to enhance the efficiency of assembling the massive arch components [11][14]. - Each arch rib is composed of four steel pipes filled with concrete, with a length of 12 meters per rib, and the construction team utilizes digital scanning to ensure precision in assembly [11][12]. Quality Control - The project incorporates an intelligent bolt tightening system to ensure the correct torque is applied to approximately 72,000 high-strength bolts, preventing issues such as under-tightening or over-tightening [17][18]. - An intelligent temperature control system is also implemented to monitor and adjust the cooling of concrete during pouring, mitigating the risk of cracking due to temperature differentials [19]. Project Timeline - The Jianyang Tuojiang Grand Bridge is expected to be completed and ready for the first high-speed train service by the second half of this year [19].