Fault-Rupture and Strong Shaking Effects on the Safety of ... - CFMS
Partial Collapse. Collapse. Building1. Building 2. Building 3. Mosque. 2.1 m. 2.3 m. Fault Rupture. Fault Rupture at the area east of. Golcuck, Turkey (1999) ...
Fault-Rupture and Strong Shaking Effects on the Safety of Composite Foundations and Pipeline Systems: Quantification and Reduction of Seismic Risk Through the Application of Advanced Geotechnical Engineering Techniques Professor M.C.R. Davies University of Dundee Project Coordinator
Scope of Presentation
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Project objectives
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Reason for the project
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Field data
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Background for three presentations on aspects of the project
The QUAKER Consortium
• University of Dundee • Géodynamique et Structure • National Technical University of Athens • Studio Geotecnico Italiano • L.C.P.C. Centre de Nantes
Major Objective
To gain a greater understanding of the effects of earthquake loading on soil and structure/lifeline systems by the application of advanced geotechnical engineering techniques
Project Aims • improve understanding of the behaviour of soil and structural systems in strong earthquakes • produce high quality experimental and field data • examine existing design methods in light of new data • develop appropriate methods of analysis • provide and disseminate practical engineering design recommendations • inform the development of design codes
Field Evidence
Diversion of fault-rupture by buildings (Golcuk)
Fault Rupture at the area east of Golcuck, Turkey (1999) Building1
2.1 m 2.3 m
Building 3
Fault Rupture
Building 2 Mosque
No Damage
Partial Collapse
Collapse
2.30 m
? Building 1 : 4-storeys + Basement – No Damage
1.5 m
?
Building 2 : 1-storey – partial collapse
1.5 m
2.10 m
? Building 3 : 2-storeys – No Damage
2.1 m
Building 3 : 2-stories + attic – No Damage
?
Mosque : Collapse
Field Evidence
Thrust-faulting adjacent to an intact pylon (Golcuk)
Field Evidence
Surface ruptures during the 1999 Chi-Chi earthquake
Field Evidence
Pile-supported structure subjected to liquefaction induced lateral-spreading ground movement (Port Island harbour, Kobe)
Field Evidence
Port and waterfront facilities in Kobe, Japan, suffered extensive damage due to liquefaction during the 1995 Kobe earthquake
Research Topics Topic A - Fault-Rupture Soil Structure Interaction • Develop and validate simplified methods to analyse the behaviour of foundation systems and pipelines crossing active earthquake faults. Topic B -
Strong Seismic Response of Composite Foundation Systems • B1: Effect of pile inclination on foundation behaviour under seismic loads • B2: Non-linear soil-structure interaction effects on the seismic response of shallow foundations
Research Techniques
• assess real earthquake events with relevant case histories • conduct series of reduced scale geotechnical centrifuge models • conduct sophisticated numerical and analytical modelling; calibrated by comparison with the case history and centrifuge test results
Integrated Approach Site investigation Information for Field model testing Assessment Case specific tests
Fundamental generic study
Information for numerical modelling
Case specific analysis
Understanding & Design Numerical and Centrifuge Fundamental Analytical Modelling Modelling generic analysis Validation by experiment
Presentations Topic A -
Fault-Rupture Soil Structure Interaction
Dr Fraser Bransby, University of Dundee Topic B - Strong Seismic Response of Composite Foundation Systems Topic B1: Inclined piles Dr Sandra Escoffier, LCPC Topic B2: Shallow foundations Dr Luc Thorel, LCPC
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