3月15日，在杭州市德胜路地下综合管廊工程下穿沪杭甬高速公路三阳建设项目工地，由中铁装备集团设备公司生产制造的矩形顶管“开拓二号”，经过15天的调试和施工准备，正式掘进。

On March 15th, the underground pipe gallery project of Desheng Road in Hangzhou was built under the construction site of Shanghai Anyang Hangzhou Expressway. The rectangular pipe jacking developed by China Railway Equipment Group equipment company development No. two was formally drifting after 15 days of commissioning and construction preparation.

 “开拓者二号”是继“开拓一号”顺利贯通沪杭甬高速下穿右线后，第二台服务杭州地下综合管廊的大矩形顶管机。

Pioneer two is a large rectangular pipe jacking machine that serves the underground pipeline Gallery of Hangzhou after the first development of the railway line running smoothly through the right line of Shanghai Hangzhou Ningbo Expressway.

本次施工段长度为154.6米，开挖断面宽7.52米、高5.42米，施工段地层含水量丰富，下穿地段车流量大、交通繁忙，掘进难度较大；同时，隧道管节内部带有中隔墙导致施工空间被分割，也给施工带来一定难度。通过“开拓一号”在沪杭甬高速下穿右线工程的出色表现，我们有理由、有信心相信作为“双子星”二号机的“开拓者二号”一定能出色完成她的使命！

The construction segment length of 154.6 meters, the excavation section 7.52 meters wide, 5.42 meters high, the construction period of formation water rich, wears lots of heavy traffic flow, traffic congestion, driving difficultly; at the same time, the tunnel pipe section with internal wall leading to the construction space is separated, also which construction is difficult to a certain extent. Through the “pioneering one”, outstanding performance to wear the right line project in Shanghai Hangzhou Ningbo Expressway, we have reason to have confidence that as Gemini No. Two pioneer two must be able to fulfill her mission!

2018-03-16 19:50:34 来源：交通界