前天（11月23日），由沪杭公司建设、中铁隧道局集团承建的通苏嘉甬高铁江苏段首座最大跨度连 续梁拱组合桥——苏南特大桥跨白蚬江连续梁拱组合桥主跨顺利合龙，打通了14公里的重要架桥机通 道，标志着通苏嘉甬铁路建设取得关键胜利，为长三角南北向骨干通道、苏州"丰"字形国家干线铁路网 的南北主动脉建设注入强劲动能。 据了解，苏南特大桥地跨吴中区、吴江区两个行政区，总长25公里，多次跨越既有公路、河流湖 泊、居民区、工业厂房等建构筑物，技术要求高、施工难度大、安全风险高，是通苏嘉甬铁路控制性工 程之一，深受社会各界关注。作为苏南特大桥重点攻坚工程的跨白蚬江连续梁拱组合桥，上跨苏申外港 线Ⅲ级航道，采用（94+180+94）米预应力混凝土连续梁拱组合结构，施工工艺选用先梁后拱方案。主 梁为单箱双室变截面设计，采用挂篮法分段现浇施工；拱肋计算跨径180米，设计矢高36米，采用哑铃 型钢管混凝土截面，钢管直径1米，拱肋全高3米、腹板宽度0.7米；全桥共设置9道米字撑及17组双吊 杆。 工程建设过程中，项目坚持"首件制"样板引路，利用数智教培中心数字技术，建立全工序可视化方 案，实现施工工艺标准化、交底可视化，形成可复制的"样 ...

据渝万高铁项目建设负责人介绍，项目全程实现从钢筋绑扎、混凝土养护到成品检测的全过程数智 化管理。另外，龙门吊设备配备视频监控、红外限位等智能装置，使箱梁生产全流程可追溯、风险可 控。 目前，渝万高铁正全面推进架梁、无砟轨道铺设等后续工程。随着各项建设任务稳步向前，这条连 接重庆都市核心区与万州的重要高铁干线，正加速驶向通车目标。建成后，将进一步带动沿线经济社会 发展，助力成渝地区双城经济圈建设、长江经济带发展等国家战略实施。 新华社重庆11月24日电（记者黎华玲、陈诚）作为国家"八纵八横"高铁网包（银）海、京昆通道组 成部分，新建重庆至万州高速铁路（渝万高铁）23日迎来工程建设新进展。由中铁十一局承建的渝万高 铁万州响水镇制梁场当天完成全部301榀箱梁预制任务，为后续架梁和无砟轨道铺设奠定关键基础，标 志着渝万高铁项目建设取得阶段性成果。 渝万高铁正线全长251公里，设计时速350公里，是我国西南地区正在推进的高速铁路项目。线路建 成通车后，重庆主城至万州铁路运行时间将缩短至1小时以内，并与渝西、郑万高铁共同形成全线350公 里时速的高标准京昆通道。 ...

Core Viewpoint - The investigation into the "12·4" major collapse accident of the Shenzhen-Jiangmen Railway revealed that the accident was caused by violations in construction practices and inadequate emergency response measures, leading to significant casualties and economic losses [2][3]. Group 1: Accident Details - The collapse occurred on December 4, 2024, resulting in 13 fatalities and direct economic losses of approximately 72.61 million yuan [2]. - The direct cause of the accident was identified as the failure to halt excavation when encountering a high-risk geological area, leading to a partial collapse of the tunnel face [2][3]. Group 2: Responsibility and Management Issues - The investigation found that multiple parties, including China Railway Fourth Engineering Group Co., Ltd. (中铁四局), Xiamen-Shenzhen Railway Guangdong Co., Ltd. (厦深公司), and others, failed in their management and risk control responsibilities [3][4]. - The supervising unit, Guangzhou Supervision Station, and the industry regulatory body, Guangzhou Railway Supervision Administration, were also found lacking in their oversight duties [3][4]. Group 3: Lessons Learned and Recommendations - Six major lessons were identified, including failures in risk prevention, monitoring, and emergency response systems, as well as the dangers of proceeding with construction before design changes [5]. - Six recommendations were proposed to improve safety, including enhancing risk prevention measures, strengthening construction safety protocols, and improving emergency response capabilities [5].

2024年12月4日23时18分，深圳市宝安区航城街道洲石路新建深圳至江门铁路5标段施工现场发生地面坍 塌，造成13人死亡，直接经济损失约7261万元。经调查，事故直接原因是：隧道施工至高环境风险地段 时，围岩由原勘察设计的Ⅲ级变为稳定性差的Ⅳ级，未停止掘进，未变更为可靠的开挖和支护方式，致 使掌子面上前方拱顶产生局部塌方；险情发生后，未能及时采取有效的工程处理措施，掌子面上方发生 多次塌方，地面塌陷；地面应急处置不当，地面作业人员随塌陷坠亡。 调查查明，施工单位中铁四局集团有限公司（以下简称"中铁四局"）组织管理不到位，过程风险管控不 力，应急体系不完善，现场抢险处置不当；代建单位厦深铁路广东有限公司（以下简称"厦深公司"）变 更设计不规范，现场抢险处置不当，应急体系不健全，安全生产工作协调管理不到位；勘察、设计单位 中铁第四勘察设计院集团有限公司（以下简称"铁四院"）工程风险提示不足，未及时发起变更设计建 议，未按规定程序开展变更设计，未按高风险环境措施要求开展变更设计；监理单位北京现代通号工程 咨询有限公司（以下简称"北京通号公司"）项目组织管理不到位，履行监理职责不到位，压实安全生产 主体责任不到位。 ...

Core Insights - The Guangdong provincial government approved the investigation report on the major collapse incident at the Shenzhen-Jiangmen Railway, which occurred on December 4, 2024, resulting in 13 fatalities and direct economic losses of approximately 72.61 million yuan [1][2] Group 1: Incident Overview - The collapse was caused by non-compliant construction practices by the participating units, leading to a partial collapse of the tunnel face and subsequent ground subsidence [1] - The investigation identified that the surrounding rock stability changed from level III to level IV, which was not addressed by halting excavation or modifying support methods [1][2] Group 2: Responsibility and Accountability - Multiple entities were found responsible for the incident, including China Railway Fourth Engineering Group, Xiamen-Shenzhen Railway Guangdong Co., and others, with recommendations for administrative penalties and written accountability checks [2][3] - The investigation revealed deficiencies in management, risk control, emergency response, and supervision across the involved organizations [2][3] Group 3: Lessons Learned and Recommendations - Six major lessons were identified, including failures in risk prevention, monitoring, and emergency response systems, as well as inadequate management practices [4] - Six recommendations were proposed to enhance safety, including improving risk prevention measures, strengthening construction safety protocols, and enhancing emergency response capabilities [4]

Core Points - The Hangzhou-Quchi High-Speed Railway has entered the trial operation phase, with full operation expected by the end of December [1] - The trial operation will last approximately one month, involving various tests to simulate the railway's operational status [1] - The railway spans about 131 kilometers, featuring 38 tunnels and 119 bridges, with a bridge-tunnel ratio of 78.7% [1] - It is the first high-speed railway in China to adopt the "PPP+EPC" model for construction [1] Industry Impact - The Hangzhou-Quchi High-Speed Railway will enhance the intercity rapid transport network in the Yangtze River Delta, serving as an important auxiliary route for the Shanghai-Kunming corridor [2] - The project is expected to create an efficient transportation artery and economic link between the Hangzhou Bay Economic Circle and the Jinquli Economic Belt [2] - It will play a significant role in optimizing the regional railway network structure and promoting high-quality development in Zhejiang [2]

"春江水暖鸭先知，基建回暖铁路投资先知"！ 每经记者｜李彪 每经编辑｜毕陆名 7月23日，国务院总理李克强主持召开国务院常务会议，会议提出，要深化投资领域"放管服"改革，调 动民间投资积极性。在交通、油气、电信等领域推介一批以民间投资为主、投资回报机制明确、商业潜 力大的项目。推进高水平对外开放，完善外商再投资鼓励政策，加快已签约外资项目落地。 与此同时，多地已经谋划加大投资力度。 今年7月，广东省政府召开加快省重点项目投资工作推进会议，研究部署加快推进省重点项目投资工 作。会议强调，把促投资稳增长工作摆在重要位置，重点发挥重大基础设施和重大产业项目的支撑作 用。山西省要求，下半年要做好稳定经济运行基本面、扭转固定资产投资下滑局面、推进工业"结构反 转"、提高金融服务实体经济能力和效率、保持房地产市场稳定、加大环保倒逼转型力度、保障和改善 民生等重点工作。 日前，据媒体报道称，在铁路机车车辆投资增长和基建潮加速推进的双重刺激下，2018年铁路固定资产 投资额将重返8000亿元以上。近来，国务院常务会议重提基建投资，铁路基建工程项目有望加速推进。 这预示着我国基建投资将回暖。 随着上半年投资增速下滑，多地正酝酿 ...

Core Points - The TAZARA Railway activation project, invested and constructed by China Railway Construction Corporation (CRCC), officially commenced in Lusaka, Zambia, with the attendance of leaders from China, Zambia, and Tanzania [2][3] - The project aims to enhance infrastructure connectivity and trade facilitation among China, Zambia, and Tanzania, with a focus on modernizing the railway and related facilities [2][4] Group 1: Project Overview - The TAZARA Railway activation project is a significant initiative that marks the revival of a historical transportation route, originally established over 50 years ago [2][3] - The project will involve systematic upgrades, including replacing railway sleepers, installing 390 kilometers of new steel tracks, and enhancing logistics capabilities [4][5] - The expected freight capacity of the railway will increase from approximately 200,000 tons per year to 2.4 million tons, significantly reducing transportation time by two-thirds [4][5] Group 2: Government Collaboration - The governments of China, Zambia, and Tanzania have issued a joint statement to promote a modernized and inclusive development approach, focusing on the TAZARA Railway as a catalyst for regional growth [3][4] - The three governments support the implementation of zero-tariff measures for 100% of products from African countries, encouraging local production and investment [3][4] Group 3: Historical Context - The TAZARA Railway was originally constructed with significant Chinese support, including a loan of 988 million RMB and the deployment of over 50,000 Chinese engineers and technicians [6] - Since its opening, the railway has transported over 30 million tons of goods and 40 million passengers, playing a crucial role in regional trade and resource development [6] Group 4: Company Involvement - CRCC, through its subsidiary China Civil Engineering Construction Corporation (CCECC), is responsible for the execution of the TAZARA Railway activation project [6] - The company has been actively involved in various infrastructure projects in Tanzania and Zambia, establishing itself as a key player in the region's economic development [5][6]

巴西《权力360》11月17日报道，巴西里约-圣保罗高铁项目开工时间从原定的2027年推迟至2028 年，正式运营将按照原计划于2032年启动。开工时间推迟原因系巴西环境和可再生自然资源管理局 （IBAMA）工作量过大而延误审批流程。巴西政府授权建设并运营该项目的公司为TAV Brasil，特许经 营期为99年，无公共资金投入。该项私人投资总额预计为600亿雷亚尔，铁路全长417公里，并将在两大 城市的车站实现与地铁及市郊铁路的连接。该项目将采用100%私营模式，国家经济与社会发展银行 （BNDES）将担任金融代理，但政府不会直接参与投资。 （原标题：巴西高铁项目开工时间推迟至2028年） ...

《消息报》11月16日报道，阿尔及利亚总统特本接见非洲开发银行集团行长西迪·乌尔德·塔赫一 行，会后非洲开发银行发表声明称，非洲开发银行集团对阿尔及利亚发展水平表示赞赏，希望将阿尔及 利亚在住房、海水淡化等多个领域的发展经验推广至非洲其他国家。塔赫行长还强调，非洲开发银行希 望参与实施"拉格瓦特—盖尔达耶—迈尼耶"铁路项目，并指出这一项目对阿尔及利亚和非洲具有重要意 义，因为它连接萨赫勒国家与地中海，有助于便利货物和人员流动。 （原标题：非洲开发银行集团希参与实施阿尔及利亚"拉格瓦特—盖尔达耶—迈尼耶"铁路项目） ...