2013年7月18日下午17时,国家能源战略通道西气东输三线首次成功盾构穿越母亲河——黄河,西气东输重点控制性工程中卫黄河盾构隧道贯通。该盾构隧道工程由竖井施工、管片预制和盾构隧道三部分组成,工程修建直径13.5 m、深度分别为40 m和43 m的竖井各一座,预制内径4 250 mm、厚度280 mm At 17:00 on July 18, 2013, the first successful shield of the national energy strategy channel West-East Gas Pipeline crossed the mother river, the Yellow River, and the key control project of the West-East Gas Pipeline penetrated the Zhongwei Yellow River Shield Tunnel. The shield tunnel project is composed of shaft construction, pipe precasting and shield tunnel. The project builds one shaft with a diameter of 13.5 m and a depth of 40 m and 43 m respectively, with a prefabricated inner diameter of 4 250 mm and a thickness of 280 mm