经过25天海洋环境监测和样本分析，1月9日，广西海洋科学院相关监测报告显示，南方电网220千伏涠洲岛跨海联网工程（以下简称跨海联网工程）在 海缆敷设施工过程中，严格执行环保标准，周边海域表层海水浊度、叶绿素浓度处于正常环境波动范围，海水水质维持第一类标准，珊瑚礁生态系统结构完 整、功能正常。 跨海联网工程是北部湾首个220千伏跨海联网工程、广西重大能源项目，由南方电网广西电网公司投资建设，总投资约8.58亿元。工程自北海220千伏墩 海变电站起，至220千伏涠洲变电站止，其中最复杂、最关键的环节就是敷设44.8公里的海底电缆。 2025年12月31日，这条承载着涠洲岛能源保障重任的钢铁"蛟龙"，历经16个日夜的艰苦奋战，成功穿越北部湾海底，圆满完成海缆敷设施工任务。 在此过程中，守护碧海蓝天是建设团队必须满分作答的"考题"——重达7000多吨的海缆在海底穿行，需要途经北部湾二长棘鲷长毛对虾国家级水产种质 资源保护区，并穿越涠洲岛周边珊瑚礁。 海缆施工期间，潜水员下海采集样本。王欣 摄 "我们在施工前运用多波束、侧扫声呐、浅地层剖面仪等设备，给海底电缆敷设的路由做了细致的'CT'扫描，全面摸底海洋情况。"据跨海 ...

中新网南宁1月10日电(王以照 韦露 廖柳伶)经过25天海洋环境监测和样本分析，1月9日，广西海洋科学 院相关监测报告显示，南方电网220千伏涠洲岛跨海联网工程(以下简称跨海联网工程)在海缆敷设施工 过程中，严格执行环保标准，周边海域表层海水浊度、叶绿素浓度处于正常环境波动范围，海水水质维 持第一类标准，珊瑚礁生态系统结构完整、功能正常。 跨海联网工程是北部湾首个220千伏跨海联网工程、广西壮族自治区重大能源项目，由南方电网广西电 网公司投资建设，总投资约8.58亿元人民币，其中最复杂、最关键的环节就是敷设44.8公里的海底电 缆。 海缆敷设 施工期间，海洋环境监测团队乘船测量并记录种群。陈默 摄 广西水产科学研究院渔业资源研究室主任王大鹏认为，跨海联网工程施工技术先进，在海缆敷设期间， 水质方面，防污帘外海水悬浮物浓度基本保持在10毫克—20毫克每升之间，对海洋生物来说是一个安全 的阈值；珊瑚礁方面，沉积物未超出珊瑚耐受范围，珊瑚群落整体生长状况良好，未受到施工影响。其 间，还监测到35头次鲸豚在涠洲岛附近巡游，证明海缆敷设施工对海洋环境的扰动小，防污帘等环保措 施落实到位。 此外，跨海联网工程还实施渔业资 ...

Core Viewpoint - The completion of the Yinggeling Tunnel marks a significant milestone in the construction of the Shiyun to Baisha Expressway, enhancing transportation infrastructure in Hainan Province and supporting the development of the Hainan Free Trade Port [1][2]. Group 1: Project Overview - The Yinggeling Tunnel is the longest highway tunnel in Hainan, with a total length of over 8.2 kilometers, featuring dual four-lane construction standards and a design speed of 80 km/h [1]. - The project is a key control project for the Shiyun to Baisha Expressway, funded and constructed by Hainan Provincial Transportation Investment Group [1]. Group 2: Environmental Considerations - The project adheres to the "ecological priority, green construction" principle, implementing measures to protect the regional ecological environment, including a wastewater purification system and real-time noise monitoring devices [1][2]. - Efforts include full closure management of temporary sites, recycling of tunnel spoil, and the relocation and protection of precious trees, aiming for a construction model that minimizes ecological disruption [1][2]. Group 3: Technological Innovations - The construction process employs new technologies, processes, materials, and equipment, promoting full mechanization of tunnel operations and utilizing multi-source data for precise geological assessments [2]. - Advanced techniques such as digital twin modeling and rapid rock strength acquisition are applied to enhance safety and efficiency in blasting operations [2]. Group 4: Regional Impact - The tunnel's completion will improve the road network in central Hainan, accelerate the development of ecological tourism resources and specialty agricultural products, and provide new momentum for rural revitalization [3].

Core Viewpoint - The successful completion of the Nanjing Grand Bridge's main span marks a significant milestone in the construction of the Shanghai-Nanjing-Hefei high-speed railway, transitioning to the bridge deck construction phase [1] Group 1: Project Overview - The Nanjing Grand Bridge and its connecting works span a total length of 14.186 kilometers, with the completed main span of the cross-Chu River cable-stayed bridge measuring 502 meters [3] - The bridge features a dual-tower, five-span hybrid beam cable-stayed design, located in the complex construction environment of the Chu River scenic area in Nanjing [3] Group 2: Technical Innovations - A specialized technical team was formed to address construction challenges, resulting in the successful application for five patents, including one invention patent [5] - The project team optimized the use of anchor cable pipe center positioning auxiliary devices to significantly enhance positioning accuracy and operational efficiency [5] - The development of an intelligent bridge deck hoisting construction method, combined with modular design and smart monitoring, improved the assembly precision and efficiency of the steel box beams, saving approximately 2.3 million yuan in project costs [6] Group 3: Safety and Environmental Measures - A comprehensive intelligent risk prevention system was established to monitor construction processes, utilizing stress monitoring for tower cranes and bridge decks, as well as harmful gas concentration monitoring [8] - The project employed BIM technology for three-dimensional construction simulation to anticipate and mitigate safety risks associated with high-altitude operations and large component hoisting [8] - Eco-friendly construction practices were implemented, including the establishment of ecological protective slopes and measures to control dust and noise pollution, ensuring minimal impact on local residents and aquatic life [10] Group 4: Strategic Importance - The Shanghai-Nanjing-Hefei high-speed railway is a crucial segment of the national "Eight Vertical and Eight Horizontal" high-speed rail network, facilitating major passenger flows and enhancing connectivity between urban agglomerations [12] - The completion of this project will create a new rapid transit corridor among the Shanghai, Nanjing, and Hefei metropolitan areas, contributing to the high-quality development of the Yangtze River Economic Belt and the integration of the Yangtze River Delta [12]

（周永） 为破解建设工程扬尘治理难题，推动绿色施工理念落地生根，12月19日，安徽合肥庐阳区建设工程质量 安全监督站在中铁四局仪器仪表产业园（二期）项目施工现场，成功举办微型防尘天幕观摩会。辖区20 余名新开工房建项目相关负责人参会，实地学习扬尘治理新经验。中铁四局仪器仪表产业园（二期）项 目坐落于合肥市庐阳区大杨镇，总建筑面积约9.5万平方米。施工中的作业、物料、裸土三大扬尘高发 区，曾是项目环保管控的"硬骨头"。为摆脱这一困境，项目部经过反复调研论证，巧妙运用"钢管支架 +绿色防尘网"组合式微型防尘天幕，从源头筑牢扬尘治理防线。 ...

在高质量推进项目建设的同时，项目团队多措并举，主动融入当地社会发展，组织多台设备帮助沿线百 姓平整便道，为当地创造就业岗位近600个。通过加强员工培训，系统讲授设备操作、混凝土浇筑、路 沿石预制等施工技术和安全措施，累计培养设备操作手及熟练工60多名，以实际行动造福当地群众，续 写中乌友好故事。 （文章来源：新华财经） 新华财经坎帕拉12月19日电 记者从中铁十八局乌干达公司获悉，近日，由中铁十八局承建的连接乌干 达中部与西北部地区的交通要道——阿尔维至内比公路项目（Alwii - Nebbi)全线正式通车，标志着由乌 西北部边境直达默奇森瀑布国家公园（Murchison Falls National Park)等乌著名景区的重要通道正式贯 通，有望为沿线经济社会发展注入强劲动力。 乌干达阿尔维至内比公路项目全长37.3公里，包括阿尔维至内比33公里道路重建和帕夸奇（Pakwach Town)城镇4.3公里道路升级，采用乌干达II级公路技术标准，双向双车道，设计时速90公里。 据了解，施工过程中，项目团队采用冷再生工艺，使用冷再生路拌机将原路面破碎后，以既有沥青路面 及下层碎石、新加碎石为骨料，掺加水泥拌合作 ...

Core Viewpoint - The completion of the Left Bank Avenue in Wuhan significantly enhances regional connectivity and transportation efficiency, serving as a vital infrastructure project for urban development and ecological protection [3][7]. Group 1: Project Overview - The Left Bank Avenue, a key project funded by China Communications Construction Company, spans 5.578 kilometers and connects various major roads, facilitating regional development [3]. - This project is part of Wuhan's major city-level initiatives, aimed at alleviating traffic pressure and enhancing the efficiency of transportation for students and researchers at Huazhong University of Science and Technology [3][4]. Group 2: Construction Innovations - The construction includes urban main roads, two overpass bridges, a pedestrian bridge, and various supporting facilities such as drainage, lighting, and smart traffic systems [4]. - The project team employs innovative construction methods, including segmented construction and prefabrication, to meet tight deadlines while ensuring safety, ecology, quality, and efficiency [4][7]. Group 3: Environmental Considerations - The project integrates ecological protection measures, utilizing high-performance materials like polymer PVC composite templates made from plant fibers to reduce wood consumption [5][6]. - Techniques such as "in-situ solidification" of mud generated during pile foundation work are implemented to convert waste into usable planting soil, thus preventing pollution of the Yangtze River [6]. Group 4: Quality Control and Recognition - The project adopts a meticulous management approach, implementing a "sample first" principle to ensure quality at every construction stage, which has earned it multiple awards for safety and civilized construction [7]. - The overall construction timeline was significantly shortened, with the main line opening for trial operation in August and official completion in November, ahead of schedule by approximately six months [7].

Core Viewpoint - The construction of the undersea cable for the Nanning Electric Power Grid's cross-sea interconnection project at Weizhou Island is a significant energy project in Guangxi, with a total investment of approximately 858 million yuan, aiming to enhance the power supply stability of Weizhou Island [3]. Group 1: Project Overview - The Weizhou Island cross-sea interconnection project is the first undersea cable project in the Beibu Gulf, involving the installation of a 44.8-kilometer undersea cable from the Beihai 220 kV Duhai Substation to the 220 kV Weizhou Substation [3]. - The project utilizes domestically produced cross-linked polyethylene insulation materials for the first time, addressing a critical technology gap in China's cable industry [3]. Group 2: Technical Aspects - The undersea cable installation involves high technical difficulty and stringent construction requirements due to the complex sea conditions and existing pipelines in the Beibu Gulf [3]. - The installation vessel is equipped with fully automated systems for real-time monitoring of navigation, cable laying tension, and burial depth, ensuring the integrity of the cable during installation [4]. Group 3: Environmental Considerations - The project incorporates environmentally friendly practices, with construction methods designed to minimize disruption to protected marine areas, including the national aquatic genetic resource protection zone and coral reefs around Weizhou Island [4]. - The comprehensive protection construction plan reduces the dredging volume by approximately 60,000 cubic meters, aligning with green construction principles [4]. Group 4: Timeline and Impact - The cable laying operation is scheduled to last for 15 days, with the project expected to be accepted and put into operation by mid-January 2026 [5]. - Upon completion, the project will end the "isolated grid operation" of Weizhou Island, significantly improving the reliability of its power supply [5].

Core Viewpoint - The completion of the Left Bank Avenue in Wuhan significantly enhances regional transportation efficiency and contributes to urban development, serving as a vital infrastructure project for the area [2][7]. Group 1: Project Overview - The Left Bank Avenue, constructed by China Communications Construction Company (CCCC), spans 5.578 kilometers and connects key routes, injecting vitality into regional development [2]. - This project is a major initiative for Wuhan, alleviating traffic pressure and serving as an "efficiency corridor" for Huazhong University of Science and Technology [2]. Group 2: Construction Innovations - The project incorporates advanced construction techniques, including a 24-hour bridge health monitoring system that detects stress, displacement, and vibration, allowing for proactive maintenance [3]. - Innovative materials, such as high molecular PVC composite templates made from plant fibers, are used to enhance environmental sustainability while maintaining quality [4]. Group 3: Environmental Considerations - The construction team emphasizes ecological protection, implementing measures like a runoff diversion system to prevent pollution of the Yangtze River [4]. - Techniques such as "mud solidification" are employed to recycle waste materials, aligning with circular economy principles [4]. Group 4: Quality Control - The project adopts a meticulous management approach, implementing a "sample first" principle to ensure quality at every construction stage, which has earned it prestigious local awards [5]. Group 5: Impact on Transportation - The main line of the Left Bank Avenue is set to reduce travel time from Junshan New City to Hankou to under 30 minutes, significantly improving transportation efficiency [7]. - The project also includes green spaces and pedestrian pathways, enhancing the urban landscape and providing recreational areas for residents [7].

Core Insights - The construction of the Jiaoluo-Ping High-Speed Railway, particularly the Luoyang Yellow River Road-Rail Bridge, is a significant part of the national "Eight Vertical and Eight Horizontal" transportation network, aimed at enhancing regional collaboration and development [2][4] - The bridge, measuring 13.36 kilometers in length, features a dual-layer design with an upper layer for road traffic and a lower layer for high-speed rail, designed for speeds of up to 350 km/h [2][4] - The project faces considerable challenges, including environmental protection, safety risks, and complex construction conditions due to its location near sensitive areas and the Yellow River [3][4] Construction Details - The Jiaoluo-Ping High-Speed Railway spans 230 kilometers and connects four cities: Jiaozuo, Jiyuan, Luoyang, and Pingdingshan, facilitating regional economic growth [2] - The bridge's design includes innovative structural elements, such as a large span of 4×180 meters for the main steel truss, which sets a record for similar bridges in China [2] - The project employs advanced construction techniques, including automated and information-based equipment, to enhance efficiency and minimize environmental impact [3] Winter Construction Measures - A specialized winter construction plan has been implemented to ensure progress during colder months, including heating systems for materials and safety measures for workers [4] - The project team emphasizes safety, with strict regulations against open flames and regular inspections of electrical equipment [4] Economic Impact - Once completed, the bridge is expected to significantly improve transportation capacity and efficiency across the Yellow River, enhancing connectivity for the western Henan region and stimulating growth in tourism and logistics sectors [4]