东江水下钻爆隧道设计施工难点分析
Discussion on Difficult Points in Design and Construction of East River underwater Drilling and Blasting Tunnel
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- 引用格式:
-
王,进,胡文君,陈海鹏,胡道华.东江水下钻爆隧道设计施工难点分析[J].天然气与石油,2011,29(3):0.doi:
.Discussion on Difficult Points in Design and Construction of East River underwater Drilling and Blasting Tunnel[J].Natural Gas and Oil,2011,29(3):0.doi:
- DOI:
- 作者:
- 王 进 胡文君 陈海鹏 胡道华
- 作者单位:
- 中国石油集团工程设计有限责任公司西南分公司
- 关键词:
- 水下钻爆隧道；埋置深度；综合超前地质预报；监控量测
Underwater drilling and blasting tunnel； Buried depth； Integrated and look-ahead geological forecast； Monitor and measurement
- 摘要:
- 为了规避建设水下钻爆隧道的风险，有必要对已建成水下钻爆隧道的成功经验及施工中遇到的重点、难点问题进行总结。介绍了水下钻爆隧道安全有效埋深应考虑的因素及东江水下钻爆隧道的合理、安全、经济的埋置深度；根据东江穿越工程的地质条件，确定了东江水下隧道的穿越形式；对水下钻爆隧道设计中的综合超前地质预报、防水、监控量测、施工安全风险管理等重要问题作了深入的探讨。通过分析，对设计及施工过程中可能遇到的重点、难点问题及塌方、涌水、涌泥等地质灾害提出了相应的技术措施，可为国内当前在建和待建长输管道工程的水下钻爆隧道的设计与施工提供参考。
In order to reduce risks of underwater drilling and blasting tunnel in pipeline construction project as far as possible， it is necessary to summarize successful experience， difficulties and key issues in underwater drilling and blasting tunnel construction projects completed already. Introduced are considerations in safe and effective burial depth design of underwater drilling and blasting tunnel and reasonable， safe and economical burial depth of the East River underwater drilling and blast tunnel. Crossing mode of the East River underwater tunnel is determined according to geological conditions of the East River cross project. Deeply discussed are such key issues as integrated and look-ahead geological forecast， waterproof， monitor and measurement， construction safety and risk management in underwater drilling and blasting tunnel design. Through analysis， proposed are relative technical measures for solving key or difficult problems during design stage and preventing or avoiding landslide， water and mud gushing and other geological disasters occurring probably in construction process，which have important reference values for engineering design and construction of similar projects in China.
