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NFM盾构机带压开舱换刀技术
（1 深圳市市政工程总公司隧道公司； 2 深圳市市政工程总公司安装公司, 深圳 518000）
Techniques for Cutter Changing in a Pressurized Chamber of an NFM EPB Shield
(1 Tunneling Company of Shenzhen Municipal Engineering Corporation, Shenzhen 518000;
2 Installation Company of Shenzhen Municipal Engineering Corporation, Shenzhen 518000)
Abstract：
Based on the practice of cutter changing in the pressurized chamber of a shield machine during the construction of Lot 2222 of the Shenzhen Metro line 2, this paper summarizes technical solutions-such as preparation before chamber opening-and implementation procedures of cutter changing, as well as relative key points.
MIAO Zhong-Shang-1,
HUANG Lei-2
.Techniques for Cutter Changing in a Pressurized Chamber of an NFM EPB Shield[J] MODERN TUNNELLING TECHNOLOGY, 2012,V49(2): 99-103
2012, Vol. 49 