Core Viewpoint - The completion of the PK330 bridge, the longest heavy-load railway bridge in Africa, marks a significant milestone in the construction of the western railway mining line in Algeria, showcasing the engineering capabilities of China Railway Construction International Group [1] Group 1: Project Overview - The PK330 bridge is located in the Tindouf Province of Algeria, spans 6 kilometers, and is noted for being the longest and most challenging bridge in terms of construction on the entire line [1] - The project is part of a larger 575-kilometer western railway mining line that connects Bechar Province to the Gara Djebilet iron ore mine, enhancing the transportation network in Algeria [1] Group 2: Construction Challenges - The project faced extreme environmental conditions, including high temperatures, sandstorms, and freshwater shortages, which posed significant challenges to construction [1] - The geological conditions at the bridge site, characterized by loose sand and gravel layers, complicated machinery operations, concrete pouring, and continuous work [1] Group 3: Significance and Impact - The completion of the PK330 bridge is described as an "unprecedented engineering feat" and is one of the largest railway construction projects in North Africa to date [1] - This project is a landmark initiative under the Belt and Road Initiative, aimed at improving transportation and economic development in Algeria's southwestern region [1]

新华社阿尔及尔12月10日电（记者徐永春）日前，由中国铁建承建的非洲最长重载铁路桥PK330大 桥在阿尔及利亚顺利实现轨道铺通，标志着阿尔及利亚西部铁路矿业线建设取得阶段性成果。 据介绍，PK330大桥位于阿尔及利亚廷杜夫省，地处撒哈拉沙漠，全长6公里。该桥8日晚顺利贯 通，是阿尔及利亚西部铁路矿业线跨度最长、施工难度最大、工期最紧的桥梁。 目前，阿尔及利亚西部铁路矿业线项目累计为当地创造了7000多个工作岗位，培训了1000多名技术 工人。 阿尔及利亚西部铁路矿业线项目由中国铁建与阿国有企业共同实施。项目主要内容为新建575公里 铁路，连接该国贝沙尔省和廷杜夫省加拉杰比莱特铁矿区。项目建成后，将进一步完善阿尔及利亚国家 铁路网，助力阿西南部省份互联互通和经济发展。 当地自然环境恶劣，项目建设面临极端高温、沙尘暴频繁、淡水紧缺等挑战。桥址地质以松散沙土 与卵石夹层为主，给机械运转、混凝土浇筑和连续作业带来严峻考验。当地媒体报道说，PK330大桥的 建成是一项"工程壮举"，是北非迄今最庞大的铁路施工工程之一。 ...