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小松盾构机盾尾刷更换施工技术
收稿日期: 2012-08-16
修回日期: 2012-09-10
网络出版日期: 2013-02-19
Replacing Technologies for Shield Tail Brush of Komatsu Shield Machines
Received date: 2012-08-16
Revised date: 2012-09-10
Online published: 2013-02-19
李发勇 , 杨琼鹏 . 小松盾构机盾尾刷更换施工技术[J]. 隧道建设, 2012 , 32(增刊2) : 79 -82 . DOI: 10.3973/j.issn.1672-741X.2012.z2.015
The shield tail brush replacing process of Komatsu shield machine used in Nanjing Metro Line 3 is analyzed according to the characteristics of shield machine and geological conditions. Conclusions drawn are as follows: 1) The determination of stopping position of shield machine according to thrusting conditions is very important. The effective sealing of shield tail is important to burst replacing. 2) The full recovering of the segment can be guaranteed by means of whole ring moving of the segment. 3) The using life of shield tail brush can be extended by choosing good-quality shield tail brush and shield tail brush grease and rational thrusting parameters in long distant soft and weak waterrich stratum.
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