由中交一公局集团有限公司承建的北京轨道交通22号线16标全长约30公里，其中桥梁工程约8公里，沿 线多处跨公路、铁路、河流等，施工环境复杂、技术难度大。项目建设团队通过技术创新和科学管理， 成功克服了地质条件复杂、周边环境敏感等一系列挑战，通过采用智能监测及灌注桩监测装置、旋挖扩 底钻具改良等措施，减少施工干扰，提高现场施工质量，高效推动了项目建设。 北京轨道交通22号线是京冀首条跨省域城市轨道交通线路。线路西起北京市朝阳区东大桥，终至北京市 平谷新城，途经北京朝阳区、北京通州区、河北三河市、北京平谷区等地区，串联北京商务中心区、北 京城市副中心、三河燕郊、北京平谷新城等重点功能区，全长约81.82公里。 本报讯（记者 丰家卫）日前，随着高楼站至齐心庄站区间最后一块钢盖梁支座垫石浇筑完成，北京轨 道交通22号线河北段桥梁下部结构施工全部结束。至此，北京轨道交通22号线河北段区间主体结构工程 累计完成70%，车站主体结构工程累计完成80%。 作为高质量打造"轨道上的京津冀"的标志性线路，北京轨道交通22号线建成后，北京中心城区、北京城 市副中心、河北三河市和北京平谷区将实现轨道交通快速互联互通，其中廊坊北三县到 ...

Core Points - The construction of the Beijing Metro Line 22's Hebei section has reached significant milestones, with 70% of the main structure and 80% of the station structure completed [1][3] - The project, spanning approximately 30 kilometers, includes about 8 kilometers of bridge engineering and faces complex construction challenges due to its environment [3] - The line will enhance connectivity between key areas in Beijing and Hebei, significantly improving commuting efficiency and promoting regional development [3] Construction Progress - The final steel cover beam support cushion stone was poured on August 20, marking the completion of the bridge's substructure construction [1] - The main structure of the line has achieved a completion rate of 70%, while the station structure has reached 80% [1] Project Details - The Beijing Metro Line 22 is the first inter-provincial urban rail transit line between Beijing and Hebei, stretching approximately 81.82 kilometers [3] - The line connects major functional areas, including Beijing's business center, sub-center, and key regions in Hebei, facilitating rapid transit [3] Technical Innovations - The construction team has employed technical innovations and scientific management to overcome geological and environmental challenges [3] - Measures such as intelligent monitoring and improved drilling tools have been implemented to minimize construction disruption and enhance quality [3] Regional Impact - Upon completion, the line will enable rapid transit from Langfang's northern three counties to Beijing's sub-center in as little as 9 minutes, and to the CBD in approximately 32 minutes [3] - This project is seen as a significant step towards achieving high-quality integration of the Beijing-Tianjin-Hebei region [3]