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首页> 外文会议>(Re)Claiming the Underground Space >DOT shield tunneling beneath residential districts in Nagoya City's subway construction
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DOT shield tunneling beneath residential districts in Nagoya City's subway construction

机译：名古屋市地铁建设中居民区下方的DOT盾构隧道

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摘要

In Nagoya City, five subways with a combined length of 78.2 km are currently in service, and a new 11.3 km long line is currently under construction. The Double O Tube (DOT) shield tunneling method was adopted for seven out of the nine shield tunnel work areas, and excavation of four tunnel work areas has already been completed. The DOT method is a shield tunneling method for constructing a double-track tunnel of rational cross-sectional shape and has so far been used in four projects in Japan. This paper reports on the planning and construction of the Motoyama North Area, the longest tunnel section whose excavation began first and has already been completed. With an excavation length of 1,238.4m, a maximum overburden depth of only 32.3 m and a longer-than-one-kilometer section that needs to be driven under a residential district, the tunnel section posed a challenge for the DOT method. A mucking system combining a continuous in-tunnel belt conveyor and a vertical belt conveyor was developed. The shield tunneling machine was launched on October 2, 2000, and the machine reached Motoyama Station on June 1, 2001.
机译：在名古屋市，共有5条地铁总长78.2公里在运营，一条新的11.3公里长的铁路正在建设中。九个盾构隧道工作区中的七个采用了双O管（DOT）盾构隧道施工方法，四个隧道工作区的开挖已经完成。 DOT方法是一种用于构造具有合理横截面形状的双线隧道的盾构隧道方法，迄今为止已在日本的四个项目中使用。本文介绍了本山北部地区的规划和建设情况，该地区是最长的隧道部分，其开挖最早开始并已经完成。开挖长度为1,238.4m，最大上覆层深度仅为32.3 m，需要在居民区下行驶的长于一公里的部分，因此隧道部分对DOT方法提出了挑战。开发了一种将连续的隧道内皮带输送机和垂直皮带输送机相结合的堆渣系统。盾构隧道掘进机于2000年10月2日启动，并于2001年6月1日到达本山站。

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