The Influence of Excavation by Sections with CRD Method on the Structural Internal Force and Safety Factor in Undersea Tunnel Construction
详细信息
- 责任者：Guo Chun (School of Civil Engineering ; Southwest Jiaotong University ; Chengdu 610031 ; China) ; Yu Shangyu
- 刊名：Hydrogeology and Engineering Geology
- 出版年：2009
- 卷期：36(1)
- 关键词：隧道 ; tunnels ; 掘进 ; excavation
- 页码：p.75-79
- 图表：3 illus., 10 tables, 7 refs.
- 分类号：1702
- issnNo：ISSN1000-3665
- isbnNo：CN11-2202/P
摘要
Based on the monitoring data on the scene, how advanced excavation is conducted in CRD1 & CRD2 and CRD1 & CRD3 separately influences the structural internal force is studied in this paper combined with numerical method. The research shows that the structural internal force is obviously increased when advanced excavation is conducted in CRD1 & CRD2 than in CRD1 & CRD3 and the excavation on CRD3 has a much greater influence on the structural internal force. In a word, the safety factors of both excavation methods can satisfy the needs of the specification, so the structure turns out to be safe.