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 ...

海南日报海口1月9日讯(海南日报全媒体记者 曹马志 通讯员 马泽栖)1月8日，海南省在建最长的隧道工 程——鹦哥岭特长隧道实现双洞安全顺利打通，标志隧道项目全线贯通。 海南"第一长隧"鹦哥岭隧道全线贯通 全长超8.2千米，采用双向四车道高速公路标准建设 海南交通集团相关负责人表示，鹦哥岭隧道双洞贯通，标志着什运至白沙高速公路建设取得关键性节点 突破，实现项目建设"开门红"。项目建成后，将实现五指山市、白沙黎族自治县、琼中黎族苗族自治县三地 鹦哥岭隧道全线贯通现场。海南交通集团供图 该隧道作为海南自贸港重点项目什运至白沙高速公路关键控制性工程，由海南省交通投资集团有限公司 投资建设。隧道地处海南鹦哥岭国家级自然保护区，左线全长8282米、右线全长8260米，是目前海南省最长 的公路隧道。项目采用双向四车道高速公路标准建设，设计时速80公里。 快速互联互通，不仅能完善海南中部地区路网格局，加速区域生态旅游资源与特色农产品开发，更能为乡村 振兴注入新动能，为海南自贸港建设夯实中部交通支撑。 作为地处国家级自然保护区的重点工程，项目坚持"生态优先、绿色建造"理念，全力守护区域生态环 境。引进污水净化系统、砂石分离设备 ...

为实现这场跨越数百米水域的"精准牵手"，项目建设管理单位南京铁路枢纽工程建设指挥部协同中铁上海工程局成立专项技术攻关小组，以科技赋能破解 技术难题，成功申报5项专利(含1项发明专利)。针对测量难题，项目团队优化应用锚索管中心定位辅助装置，大幅提升定位精度与作业效率；研发应用 《大跨度桥梁智能型桥面吊机吊装施工工法》，结合模块化设计与智能监控，显著提高钢箱梁拼装精度和效率，节约工程成本约230万元，为同类工程提 供了技术借鉴。 记者从中国铁路上海局集团有限公司获悉，1月8日，新建上海至南京至合肥高速铁路(北沿江高铁)控制性工程——南京特大桥跨滁河斜拉桥顺利合龙，标 志着该斜拉桥正式转入桥面系施工阶段。 南京特大桥及接线工程全长14.186公里，此次合龙的跨滁河斜拉桥全长502米，采用双塔五跨混合梁斜拉桥设计。该桥位于南京市浦口区滁河风光带，施 工环境复杂，技术难度大，线形控制与定位精度要求极高。为克服地质和水域条件限制，桥梁采用"预应力混凝土梁+钢混结合段+钢箱梁"的组合设计， 主跨钢箱梁兼具强度高、自重轻等特点，可有效满足通航需求。 该斜拉桥横跨滁河，环水保要求高。项目团队坚守生态保护底线，将绿色施工理念贯穿 ...

（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 ...

来源：环球网 驾车行驶在武汉军山新城新近通车的左岸大道上，壮阔的长江江景扑面而来。"从枫林六路到兴七路， 一路畅通，视野很开阔。通勤时间短了，心情也豁然开朗！"经常往返于武昌和军山新城的张先生这样 描述他的出行新体验。 由中交城投投资建设的左岸大道（枫林六路—兴七路段），全长5.578公里，是串联左岸大道21.5公里直 线段的关键工程。它北接川江池路，南连汉南段，宛如一条沿江舒展的纽带，为区域发展注入活力。 "作为武汉市级重大项目，这条道路不仅是军山新城沿江发展轴的重要交通动脉，有效疏解了区域交通 压力，更是华中科技大学军山校区师生和科研人才的'效率走廊'。"中交城投华中分公司相关负责人表 示，中交城投作为城市发展的深度参与者与共建者，项目自启动即以打造"品质工程"为目标，致力于 为"车谷副城"的产城融合发展铺设一条高标准坦途。 智慧筑基桥梁装上"全天候监护仪" 5.578公里路段，建设内容涵盖城市主干路、两座跨线桥、一座人行天桥、一座燃气保护桥，以及排 水、照明、绿化和智慧交通等多项配套工程。如何在紧张工期下统筹安全、生态、品质与效率？ 绿色引领创新施工守护长江生态 左岸大道紧邻长江而建，生态保护是不可逾越 ...

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]

Core Points - The Shenzhen Metro Line 25 Phase I is planned to be completed by 2029, serving as a major transportation link for areas including Shiyan, Dalang, Longhua Center, and Banxuegang, effectively becoming an "underground artery" for northern Shenzhen [1][2] - The total length of Line 25 Phase I is 16.5 kilometers, featuring 14 stations and 3 transfer stations, with all sections being fully underground [1][2] - The largest station, Chuangyicheng Station, has a length of 331.5 meters, width of 25 meters, and depth of 26.1 meters, designed with a dual-layer structure and innovative green construction practices [1][2] Construction Innovations - The construction employs a "five-level sedimentation + filter press treatment" method to recycle wastewater and rainwater for dust control, achieving over 50% energy savings through the use of air pump technology instead of traditional electric pumps [2] - Additional measures, such as the installation of drainage pipes and grouting techniques, have been implemented to address challenges related to "bedrock fissure water," ensuring effective waterproofing [2] Strategic Importance - Upon completion, Line 25 Phase I will enhance connectivity with urban spatial structures and core urban areas, support the development of key districts, and improve coverage in previously underserved areas, maximizing the network benefits of the metro system [2]