- 中国科学引文数据库（CSCD）核心期刊
- 中文核心期刊中文科技核心期刊
- Scopus RCCSE中国权威学术期刊
- 美国EBSCO数据库 俄罗斯《文摘杂志》
- 《日本科学技术振兴机构数据库（中国）》
隧道建设（中英文） ›› 2019, Vol. 39 ›› Issue (5): 820-831.DOI: 10.3973/j.issn.2096-4498.2019.05.014
LI Bo, BAO Zhen*
李波， 包蓁*
摘要：
The author focuse on the great challenges encountered during the tunneling process in the Wuhan Sanyang Road Tunnel, and the key techniques adopted to solve those problems. When tunneling in composite strata, engineers inevitably face problems such as inefficient excavation, excessive tool wear, excavation face instability and the risk of clogging. The TBM used in the project allows tool change under atmospheric pressure, which improves the efficiency of tool change and eliminated the risk of casualties during hyperbaric interventions. In terms of the tool wear and clogging, the authors propose technical solutions as follows: the optimization of the tool′s type and configuration, improvement of the central flushing system and chemical dissolution of clogging. The results indicate that through the countermeasures proposed, the tunneling efficiency can be improved effectively. They also reduce the cutter change frequency and eliminate the risk of TBM downtime. The technical achievements obtained in the construction of the Wuhan Sanyang Road Tunnel can provide technical reference for the construction of largediameter shield tunnels in composite strata in the future.
中图分类号:
