2010, Volume 12, Issue 12
Strategic Study of CAE >> 2010, Volume 12, Issue 12
Analysis and control of significant risk source of underground diameter project from Beijing railway station to Beijing railway west station
1. Tunnel and Underground Engineering Research Center of Ministry of Education, Beijing Jiaotong University, Beijing 100044, China;
2. Indentificationg of the Ministry of Railways Engineering, Beijing 100844, China;
3. Central Station of Security and Euality Supervision, Ministry of Railways, Beijing 100045, China;
4. Technology Center of China Railway Tunnel Group, Luoyang, Henan 471009, China
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Abstract
Through the detailed risk evaluation on underground diameter project from Beijing railway station to Beijing railway west station, the conditions of all the risk sources along were analyzed adequately. At last, effective control measures of risk prevention and reduction were proposed based on the evaluations results. The settlement of all the measuring points of metro line 2 was lower than 2 mm. Due to the tunnel excavation the settlement of Tianningsi Bridge was lower than 3 mm. The construction impact on surrounding building was very small.
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