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中俄原油管道二线额木尔河盾构工程提前贯通
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Topic: 中俄原油管道二线额木尔河盾构工程提前贯通 (Read 166 times)
Emmmilybag
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中俄原油管道二线额木尔河盾构工程提前贯通
May 15, 2017, 06:45:03 AM
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中新网廊坊5月14日电 中石油天然气管道局(以下称管道局)14日透露,今日上午10时58分,素有“中国北极第一盾”之称的中俄原油管道二线额木尔河盾构工程在黑龙江省漠河县兴安镇顺利贯通,此举标志着中俄原油管道二线重点控制性工程被提前攻克。
据了解,中俄原油管道二线工程起始于黑龙江省兴安镇漠河首站,途经黑龙江省、内蒙古自治区,止于黑龙江省大庆市林源输油站。线路全长941.8公里,设计输油量1500万吨/年,是从俄罗斯远东地区陆路进口原油到我国北部内陆地区的又一条石油干线通道,是我国正全力推进石油资源供应多元化的一项重大战略措施,对保障国家能源供应安全、振兴东北老工业基地、促进经济社会发展具有重要意义。
中俄原油管道二线额木尔河盾构工程作为中俄二线重点控制性工程之一,是我国最靠北、环境温度最低的盾构工程。该工程由管道局承担施工任务,由竖井施工、管片预制和盾构隧道三部分组成。始发竖井内径14米,井深24米;接收竖井内径12.5米,井深12米;盾构隧道全长850米,隧道内径3.08米,采用世界最先进的泥水加压平衡式盾构机承担掘进任务,穿越地质以中风化砂岩、强风化砂岩、泥岩和圆砾为主。隧道建成后,还将敷设一条直径813毫米原油管道。
据管道局中俄原油管道二线额木尔河盾构工程项目负责人介绍,该项目于2016年7月7日进场开始施工,2016年11月10日始发和接收竖井主体完工,2016年12月7日,盾构机开始隧道掘进任务。在施工过程中,面对寒冷的施工环境和匮乏的施工依托,管道局提前编制不同地质条件下的施工方案,坚持标准化、规范化、精细化、人性化的管理,设立了现场远程监控系统和施工数据采集平台。运用PMP项目管理理念和P6软件,大力推行管理创新、技术创新和群众性创新,对设备设施进行适应性改造升级,先后攻克零下30℃低温环境下竖井施工,零下50℃极寒环境下盾构机吊装下井、始发掘进等难题,填补了国内高寒地区盾构施工的空白,创造了小型泥水平衡式盾构机在高寒地区月最高掘进304米的成绩。
目前,管道局中俄原油管道二线额木尔河盾构工程项目部已开始盾构机附属设施拆除、隧道垫层浇筑工作,施工方将继续坚持“稳中求胜”,为中俄原油管道二线工程按期投产扫清障碍。
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