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1 可拆卸式三连盾构在东京的都营南北地铁线建设中,首次采用了可拆卸式三连盾构施工法.这是目前世界上最为先进的地铁隧道施工法.其结构为一个主盾构和两个可拆卸的副盾构,其中主盾构直径达10.04m,功率大,速度快,可以使地铁车站的开挖一次成型.三连盾构的施工原理如下:主盾构先按照一般的施工方法挖掘地下复线隧道;在接近地铁车站施工现场时,
1 detachable three-link shield in Tokyo Metro North-South metro line construction, the first time using a detachable three-way shield construction method.This is currently the world’s most advanced subway tunnel construction method.Its structure is a master Shield and two detachable auxiliary shields, of which the main shield diameter of 10.04m, power, speed, can make a subway station excavation molding. Three connected shield construction principle is as follows: The main shield first In accordance with the general construction method to dig underground double-track tunnel; near the subway station construction site,