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盾构法已经在国内外的地下工程中广泛运用,特别是国外著名的海底盾构隧道,如英吉利海峡隧道、日本东京湾海底公路隧道、荷兰W estersche lde隧道;国内先后用盾构技术建成大连路、复兴东路盾构过江隧道,还有在建的上海翔殷路越江公路隧道、上中路隧道和已经开工建设的上海长江桥隧工程。文中首先论述了国内外大直径、高水压、长距离推进等盾构施工关键技术,并结合珠江口海底隧道的建设条件与国内外的成功实例,对海底隧道盾构方案的可行性进行了初步研究。
Shielding method has been widely used in underground engineering at home and abroad, especially the famous submarine shield tunnels such as the Channel Tunnel in the English Channel, the Tokyo Bay Submarine Highway Tunnel in the Netherlands and the Werschelde Tunnel in the Netherlands. Road, Fuxing Road shield tunnel cross the river, as well as the construction of the Shanghai Xiang Yin Road Vietnam Highway Tunnel, the Middle Road Tunnel and the construction of the Shanghai Yangtze River Bridge tunnel project. In this paper, the key technologies of shield construction at home and abroad such as large diameter, high hydraulic pressure and long distance propulsion are firstly discussed. Combined with the construction conditions of the Pearl River Estuary Subsea Tunnel and the successful examples at home and abroad, the feasibility of the shield tunneling scheme initial research.