Based upon the shield construction practice in the portal section of South Tube of Yanan Donglu Tunnel, this paper demonstrates the technology for slurry balance shield passing through freezing zone.
本文以上海延安东路隧道南线盾构进洞段工程施工为背景，论述了泥水平衡盾构穿越冻结加固区的施工技术。
2
Conservatory measures of three-tube parallel shield tunnel of subway approaching constructed in Mollisol have been brought forward, which have some reference value to the same kind of engineering.
提出了软土地铁三管并行盾构隧道近接施工的一些防护控制措施，对于同类的工程具有一定的参考价值。
3
The attitude Angle of high-speed mobile object in the shieldtube is tested by use of optical lever in this paper.