近日,穗莞深城际机前段西乡站~固戍工作井区间(下称“西固区间”)盾构机正式始发,至此,全线共有7台盾构同步掘进。

“福锐一号”盾构机顺利始发
西固区间隧道右线长2130.25m,区间最小转弯半径550m,最大埋深67.25m,采用TBM-EPB双模盾构施工。洞身主要穿越中微风化花岗岩,需下穿7个风险源。

盾构机吊装下井
盾构始发工期紧、任务重:建设者们同步开展现场布置与盾构吊装下井工作,合理安排工序衔接,提高工效。
协调工作难度大:项目部积极与轨道办、生态环境局、交警局等相关职能部门多方协作,有效推进项目进展。
穗莞深城际机前段起于已开通的穗深城际深圳机场站,终至前海站,全长约15.2km,采用地下敷设。全线共设3座车站:西乡、宝安、前海。该工程项目设计速度为160km/h,采用8辆编组的CRH6型动车组。

穗莞深城际机前段线路示意图
深惠城际2标坂李井→五和站区间首台TBM,平湖井→坂李井第二台盾构顺利双始发。

本次始发的TBM是深圳地铁首台大直径双护盾TBM,配合连续皮带出渣,可实现推拼同步、快速作业。至此深惠城际2标已始发7台掘进机。

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