狮子洋海底隧道盾构机刀盘修复焊接技术

盾尾刷功能是防止盾构尾部渗入泥水。盾构推进过程中,由于泥沙渗入盾尾刷里,一般盾尾刷使用一个工作区间就更换。本文通过狮子洋隧道东涌站—虎门站区间实际工程,叙述了实际中进行盾尾刷更换的原因,风险分析以及控制措施,采取的安全措施、详细的工作步骤,及在实际操作当中遇到工程作为参考,也积累了宝贵的经验。

Shiziyang tunnel shield machine cutter repair welding technology

Shield tail brush function is to prevent the shield tail into the mud.Shield advance process, the sediment infiltration in the shield tail brash, general shield tail brush using a workspace is replaced.In this article, through the lion in the tunnel between tung chung station -humen station engineering, describes the practice of the cause of the shield tail brush replacement, risk analysis and control measures, safety measures, detailed work steps, and you meet a project as a reference in the actual operation, has accumulated valuable experience.