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Beijing breakthrough for Jinghua
| 题名： | Beijing breakthrough for Jinghua |
| 正文语种： | eng |
| 摘要： | In September, the Beijing East Sixth Ring Road Reconstruction Project reported that mega slurry tunnel boring machine (TBM) called Jinghua had achieved its first breakthrough. The TBM from CRCHI - China Railway Construction Heavy Industry - is the largest TBM ever to be used in China. It reached the intermediate air shaft after excavating nearly 4.8km over the past 16 months. Along the way, it set a 542m excavation record for a single month, according to the manufacturer. |
| 出版年： | 2022 |
| 期刊名称： | World highways |
| 卷： | 31 |
| 期： | Nov./Dec. |
| 页码： | 19-19 |
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