A Model of Tunnel Safety Risk Quantitative Identification
Publication: Recent Advancement in Soil Behavior, in Situ Test Methods, Pile Foundations, and Tunneling: Selected Papers from the 2009 GeoHunan International Conference
Abstract
As in urban areas, construction of tunnel inevitably leads to ground movements. These must be carefully predicted if there is a risk of settlement damage to nearby structures. How to identify the real danger is the basis of quantitative risk analysis of buildings. Due to various conditions, it is impossible to undertake a risk assessment of each building. In the process of excavation, the mechanism of interaction of the tunnel and adjacent structures is very complicated because ground movements are affected by a lot of factors, such as the formation conditions, the tunnel section depth and size, foundation type and geometric characteristics of adjacent building, and relative position, etc. So, a practical and reliable quantitative model with concise, clear physical meaning of the parameters is in need. Referencing the quantitative risk assessment methodology of petrochemical plant, tunnel safety risk identification model could be established and it can be quickly and reliably identify the high-risk buildings.
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Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Buildings
- Business management
- Construction engineering
- Construction management
- Disaster risk management
- Foundation settlement
- Foundations
- Geotechnical engineering
- Geotechnical investigation
- Ground motion
- Infrastructure
- Occupational safety
- Practice and Profession
- Public administration
- Public health and safety
- Risk management
- Safety
- Structural engineering
- Structural settlement
- Structures (by type)
- Tunnels
- Urban and regional development
- Urban areas
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