On August 29th, the first shield tunnel constructed by China Railway Shanhe--Changsha Wanjiali North Extension Electricity Tunnel, the first shield machine--CRC-Sanhe No.13 shield machine was successfully passed through.
On July 9, China Railway Shanhe's first 8.8-meter-diameter No. 38 earth pressure balance shield machine “Longxiang No. 1” (φ8800) passed the strict inspection and acceptance by relevant leaders and experts from China Railway Guangzhou Engineering Bureau Group, China Railway Guangzhou Engineering Bureau City Railway Company, China Railway Southern Investment Group, Shenzhen Eastern Engineering Consulting Company, and Zhejiang Mutual Engineering and Technical Service Company. Relevant leaders and experts strictly acceptance. As the largest diameter shield machine researched and developed by China Railway Shanhe, “Longxiang No.1” will be used in the first shield construction project of China Railway Shanhe in Shenzhen - Shenzhen Railway Transit Phase IV Line 14 Pipe Corridor Project.
7月9日，中铁山河首台直径为8.8米的38号土压平衡盾构机“龙翔一号”（φ8800）顺利通过中铁广州工程局集团、中铁广州工程局城轨公司、中铁南方投资集团、深圳市东部工程咨询公司、浙江物产工程技术服务公司等公司的相关领导、专家严格验收。“龙翔一号”作为中铁山河目前研发生产的最大直径盾构机，将用于中铁山河在深圳的第一个盾构专业施工项目——深圳轨道交通四期14号线管廊项目。
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