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2017年5月3日,长沙地铁5号线一期工程土建1标时代阳光大道站-湘府路站区间左线盾构中铁山河2号正式始发,距离该区间右线盾构中铁山河1号始发仅过去3个月,至此该区间盾构实现双线掘进。山河智能始终高度关注工程进展情况,为项目的全面建设保驾护航。刚刚上阵掘进的左线盾构中铁山河2号与右线盾构中铁山河1号同为土压平衡式盾构机,都是专门针对长沙时代阳光大道站-湘府路站作业区间中风化、强风化泥质粉砂岩的地层特点而设计。刀盘直径为6.28 m,整机功率为1 654
On May 3, 2017, No. 2 Tiezhan River in the left shield line of the No. 1 construction project of Changsha Metro Line 5 was officially launched. From the right shield in the interval, Tieshanhe 1 No. only three months before the start, so that the interval shield to achieve double-line heading. Sunward has always been highly concerned about the progress of the project for the overall construction of the project escort. Tieshanhe No. 2 on the left shield and the Tieshanhe No. 1 on the right shield in the left shield tunneling are both EPB shield machines and are specially designed for the weathering and blasting of the operation section of Changsha-Sunshine Avenue Station and Xiangfu Road Station. Strong weathered muddy silt strata characteristics of the design. Cutter diameter of 6.28 m, the whole power of 1 654