Design of Earthquake Resistant Structures

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Earthquake Structures Training

 

ABOUT THE COURSE

 

Today the global outreach of civil engineering is expanding and throwing new challenges for designers and engineers. Designing safer and resilient infrastructures in earthquake prone areas is increasingly becoming a key skill. It’s therefore essential for the personnel to understand the implications of seismic actions. This course aims to highlight the important aspects in seismic design. Risk analysis of structures indicate the point of failure and help in taking steps to mitigate this hazard. Introduction to Eurocode 8, emphasises the considerations for earthquake resistant design that is capable of resisting catastrophic failure. Earthquakes dominate design of many structures, see for example Nuclear Power Plant safety related structures or critical infrastructures (hospital, bridges) in moderately seismic zones. Different types of earthquake hazards [Linear spatial structures, ground failure induced damages, predominantly structure related damages, case studies of cascading failures such as Fukushima Daiichi NPP] will be studied. Based on best practice and code compliance, the focus will be on the parameters required for design and interpretation of the specialised PHSA analysis. General rules, seismic actions, Different types of analysis, Response Spectra Method will also be dealt with.
WHO SHOULD ATTEND
Engineers and scientists involved in the design, operation and assessment of both onshore and offshore structures and their associated equipment. Personnel from oil companies, consultancy organisations, classification societies and certifying authorities will benefit from attending this course.
PROGRAMME

 

Day 1

08.30 – 09.00 Delegate Registration
09.00 – 10.30 Lecture 1: Introduction to Earthquake Engineering – Subhamoy Bhattacharya
10.30 – 10.45 Break
10.45 – 12.15 Lecture 2: Seismic Hazard Assessment [PHSA and DHSA] – Barnali Ghosh
12.15 – 13.30 Lunch
13.30 – 15.00 Lecture 3: Fundamental of Structural dynamics & Seismic analysis of Structures – Stergios Mitoulis
15.00 – 15.30 Break
15.30 – 17.00 Lecture 4: Selection of input motion for analysis based on codes of practice (ISO code and Eurocode). Example applications – Barnali Ghosh
Day 2

09.00 – 10.30 Lecture 5: Seismic Analysis based on Eurocode 8 [Concrete and Steel structures] – Stergios Mitoulis
10.30 – 10.45 Break
10.45 – 12.15 Lecture 6: Eurocode 8 Design of Bridges for earthquake loading – Stergios Mitoulis
12.15 – 13.30 Lunch
13.30 – 15.00 Lecture 7: Ground Response, Liquefaction Analysis based on Eurocode 8 and Japanese Code of Practice – Subhamoy Bhattacharya
15.00 – 15.30 Break
15.30 – 17.00 Lecture 8: Design of pile foundations in seismic areas (Theory and codes of practice), Example case studies – Subhamoy Bhattacharya
ABOUT THE LECTURERS:
Subhamoy Bhattacharya:

Professor Subhamoy Bhattacharya currently holds the Chair in Geomechanics at the University of Surrey where he leads the Geomechanics Research Group. He is also the Programme Director for the MSc course in “Advanced Ground Engineering/Advanced Geotechnical Engineering” and the Director of Undergraduate Studies in Civil Engineering. Previously, he held the post of Senior Lecturer at the University of Bristol, Departmental Lecturer at the University of Oxford and Academic fellowship at Tokyo Institute of Technology as well as industrial positions with Fugro Limited (UK) and Consulting Engineering Services (India) Ltd – now Jacobs. He obtained his PhD from the University of Cambridge, investigating failure mechanisms of pile-supported structures in liquefiable soils. He proposed a new theory on pile failure which received the 2005 T.K.Hseih award for the best paper in civil engineering dynamics from the Institution of Civil Engineers. His further work on piles includes design principles for the foundation design of new generation Floating Production Storage and Offloading platforms, built from his experience designing piles for more conventional offshore structures. His work on p-y curves for clay appears in the latest API/ANSI/ISO code of practice. His current research interest are foundations for offshore wind turbines, seismic behaviour of piles.

Barnali Ghosh

Dr Barnali Ghosh is a Senior Principal Engineer at Mott MacDonald (London). She has experience of civil, geotechnical and earthquake engineering. She is a chartered civil engineer having 17 years’ experience of designing foundations in seismic areas all over the world She is responsible for all aspects of geotechnical earthquake engineering and soil dynamics in Mott Macdonald’s London office. She has carried out both regional and site-specific geotechnical and seismic hazard assessments for a range of structures in the energy, infrastructure and manufacturing sectors. She has extensive experience of determining dynamic soil properties for seismic design, seismic hazard assessment, non-linear site response analyses, the latest liquefaction assessment methodologies and dynamic soil structure interaction. She has acted as a reviewer for numerous projects all around the world. She has worked extensively in projects based in UK and oversees and understands the code requirements for seismic design. Dr Ghosh has also published her work extensively and associated with several committees and actively lectures about earthquake geotechnical engineering. She is a committee member for SECED (Society for Earthquake and Civil Engineering Dynamics) and is an honorary lecturer at University College London where she teaches earthquake engineering. Her motivation is to build resilient infrastructure.
Stergios Mitoulis

Dr Stergios Mitoulis is Lecturer of Bridge Engineering at the University of Surrey. He leads a research group (www.mitoulis.com) that focuses on resilient bridge engineering, earthquake engineering and soil-structure interaction. He has worked and he is still an active consultant of design offices and Highways Agencies and research centres on antiseismic designs. Dr Mitoulis graduated with a 5-year Diploma in Structural Engineering from the Department of Civil Engineering of Aristotle University of Thessaloniki in 2002. He subsequently received an MSc on the Seismic Design of Structures in 2003. In the same year, he started his doctoral studies funded by the Research Excellence Framework (REF) of the Research Committee of Aristotle University. He finished his doctoral studies in 2007. He continued with a 2-year postdoctoral research on innovative construction methods of earthquake resistant bridges, funded by the REF of Research Committee of Aristotle University of Thessaloniki. Dr Mitoulis has broad experience on the numerical modelling, analysis and experimental testing (shake table tests) of structures subjected to seismic loads. He has participated in more than 10 research projects on the seismic design and rehabilitation of bridges and buildings. He has authored two and co-authored another 15 journal papers, and more than 40 conference papers and three book chapters on the seismic design, retrofitting, cost-effectiveness and isolation of bridges and elastomeric bearings. Dr Mitoulis is an EU Chartered Civil Engineer since 2002 and he has gained design experience developing projects for reinforced concrete structures including new buildings, a pedestrian bridge, assessment, retrofitting and strengthening of R/C structures for seismic loads. He worked as a consultant engineer for Egnatia Highway bridges on the seismic design and cost-effectiveness of highway bridges. He is a member of the UK’s Eurocode 8 Mirror Group, who will be working on the revisions to Eurocode 8-2. He is a member of the European Association for Earthquake Engineering (EAEE) and a member of the International Association for Bridge and Structural Engineering (IABSE).

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