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Productive tunnelling
| 题名： | Productive tunnelling |
| 正文语种： | eng |
| 摘要： | Work is underway for the Beijing East Sixth Ring Road Reconstruction Project in China. The CRCHI mega slurry TBM Jinghua is working on the project and features a maximum excavation diameter of 16.07m, measures 150m in length and weighs in at 4,300tonnes. The machine is the largest shield TBM in China and benefits from systems such as fourth-generation accessible cutter exchange technology, telescopic main drive, high pressure auto-compensation, a large power slurry circulation system, and synchronous double-liquid grouting.The successful application of synchronous double-liquid grouting technology has delivered mm-level control of ground settlement, ensured zero disturbance to buildings on the surface and filled the gap of synchronous double-liquid grouting in mega slurry TBM construction in China. |
| 出版年： | 2023 |
| 期刊名称： | World highways |
| 卷： | 32 |
| 期： | Jul./Aug. |
| 页码： | 50-50 |
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