论文部分内容阅读
2011年在天津可称为“地铁年”。在这一年,地铁2、3、9号线将集体实现试运行,同时5、6号线也将全面展开建设。继2号线盾构施工前不久成功穿越海河后,3号线也进入工程攻坚阶段,开始穿越金钟河古河道。日前,地铁3号线开始穿越金钟河古河道。据施工人员介绍,古
2011 in Tianjin can be called “Metro Year ”. During this year, Metro Line 2, Line 3 and Line 9 will be put into trial operation collectively and Line 5 and Line 5 will also be under construction in full swing. Following the successful construction of the No. 2 shield shortly before the construction of the Haihe River, Line 3 also entered the stage of project tackling and began to cross the Admiralty River. Recently, Metro Line 3 began to cross the Admiralty River ancient river. According to construction workers, ancient