Calgary Geotechnical Society

Events


Welcome to the 2015–2016 lecture series!

The regular lecture series is held at the Austrian Canadian Cultural Centre at 3112 11th Street NE, Calgary. (See map here).
There is parking available either at the ACC or on-street.
The talks are held either in the upstairs hall or downstairs – doors on the west side of the building.
Lectures are free to attend unless stated otherwise.

Date Thursday May 26, 2016
EventAGM – Calgary and National Reports, CyGS Awards and Lecture
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Main Hall)
Time 5:30 – 6:00 pm: Registration and Cash Bar
6:00 – 6:30 pm: Buffet Dinner and Wine
6:30 – 7:00 pm: Calgary National Reports, CyGS Awards
7:00 – 8:00 pm: Lecture
Speakers Mickey Davachi, B.Sc., M.Sc., DIC, Ph.D., AMEC Foster Wheeler
  Dr. Mickey Davachi has a B.Sc. and an M.Sc. in Civil Engineering and a DIC, an M.Sc. and a Ph.D. in Civil/Geotechnical Engineering. He is a Principal Geotechnical Engineer with Amec Foster Wheeler. He has over 46 years of experience in providing technical specialist review and advice, project management, expert witness, study, planning, field investigation, design, construction supervision, dam safety review and safety evaluation for a wide variety of Canadian and International industry sectors including large-scale, oil sands, multi-disciplinary hydroelectric, water power, water resources, wind power, ports, marine, industrial, mining, pulp and paper and heavy civil engineering projects..
Topic Expansion of the Brilliant Hydroelectric Plant
Abstract The Brilliant Hydroelectric Plant, which was constructed in the 1940s, is located approximately eight kilometres from...
  Castlegar, BC, on the Kootenay River just upstream of its confluence with the Columbia River. The Columbia Power Corporation (CPC) and the Columbia Basin Trust (CBT) own the Brilliant Hydroelectric Plant. The plant is operated by Brascan Inc. The plant was capable of producing 150 megawatts of electricity prior to the expansion. The expansion project added 120 megawatts of electricity to its capacity.
The expansion project included the design and construction of:
• 1.3 km of Access Road
• A 244 m long, "D" shaped, 6 m span Access Tunnel
• A 30 m long "D" shaped, 5 m span Service Tunnel
• A 140 m long "D" shaped, 5 m span Adit/Construction Tunnel
• A 160 m long, 12.5 m span, modified horseshoe shaped Power Tunnel
• The powerhouse in a 140 m deep excavation
Sponsors Mobile Augers and Research Ltd.
Cost $40 per person; full-time students are free of charge.
Pay at the door by cash or cheque only; pre-registration is required.
RSVP By email to AGM@cgygeosociety.org or phone Daniel G. Bertrand at 403-988-1913 by Monday May 23, 2016.
Please include your company name, phone number and indicate any dietary restrictions.

Date Tuesday May 4, 2016
EventMay – Spring Cross Canada Lecture Tour (CCLT)
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Main Hall)
Time 11:45 – 12:00 pm: Registration and Cash Bar
12:00 – 12:30 pm: Buffet Lunch
12:30 – 1:30 pm: Presentation
Speaker Antonio Gens, M.Sc., Ph.D., Professor, Technical University of Catalonia
  Antonio Gens graduated from the Technical University of Madrid and he obtained a M.Sc. and a Ph.D. degree from Imperial College in London. He is a professor of Geotechnical Engineering at the Technical University of Catalonia in Barcelona where he has been Head of the Department of Geotechnical Engineering and Geosciences and member of the Governing Council of the University.
He has been involved in geotechnical research, consulting and education for more than 30 years. He is the author or co-author of more than 250 scientific papers and he sits in the Editorial Board of several International Journals. He is a member of TC105 (unsaturated soils) and TC215 (environmental geotechnics) of the ISSMGE. He has consulted widely and has given geotechnical advice on a series of landmark projects, both at home and abroad.
In recent years, he has been presented with the Case History Award by the American Rock Mechanics Association in 2006, the R.M. Quigley Award by the Canadian Geotechnical Society in 2009 and the Outstanding Contributions Award by the International Association for Computer Methods and Advances in Geomechanics (IACMAG) in 2011. Also, the UK Institution of Civil Engineers has awarded him the Telford Medal twice (in 1994 and 2007), the George Stephenson Medal also twice (in 2008 and 2012) and the Geotechnical Research Medal in 2014. In 2007, he delivered the 47th Rankine Lecture. He is a member of the Royal Academy of Doctors of Spain and in 2011 he became a Fellow of the UK Royal Academy of Engineering. In 2014, he has been awarded a Doctorate Honoris Causa by the University of Grenoble in France and the Honour Medal of the Colegio de Ingenieros de Caminos (Institution of Civil Engineers) of Spain. He has been elected Vice-President for Europe of the ISSMGE for the period 2013-2017.
Topic Stiff Clays and Mudstones: Fundamentals, Progressive Failures and Underground Excavations
Abstract The presentation examines some aspects of the engineering behaviour of argillaceous hard soils and weak rocks. After...
  considering the wide variety of this class of materials, some common behaviour features are identified concerning compressibility, structure development, micro-fabric, anisotropy, effects of discontinuities and hydraulic properties. Those features are examined in the context of appropriate behaviour frameworks developed for this type of materials.
Two themes are then selected for special consideration: i) brittleness and progressive failure, and ii) the response of argillaceous weak rocks to deep underground excavations. The first theme addresses the issue of the appropriate operational strength and it is illustrated by a case history involving the failure of a tailings dam. In the second theme, particular attention is given to a number of cases of intensively-monitored field cases performed in deep underground laboratories for nuclear waste disposal. The lecture concludes with some general considerations on the particular features of these materials for engineering purposes.
Organizer Canadian Geotechnical Society
Funding Canadian Foundation for Geotechnique
Sponsors BGC Engineering Inc.
Clifton Associates Ltd.
ConeTec Inc.
Thurber Engineering Ltd.
Cost $40 per person; full-time students are free of charge.
Pay at the door by cash or cheque only; pre-registration is required.
RSVP By email to CCLT@cgygeosociety.org or phone Daniel G. Bertrand at 403-988-1913 by Friday April 29, 2016.
Please include your company name, phone number and indicate any dietary restrictions.

Date Thursday April 14, 2016
EventApril – Regular Series Lecture
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Main Hall)
Time 5:30 – 6:00 pm: Cash Bar and Light Snacks
6:00 – 7:00 pm: Presentation
Speakers Dr. Jim Henderson, M.E.Des., PhD, P.Geoph., FGC, FEC(Hon).
  Dr. Henderson is Director of Geophysics & Consulting at DMT Geosciences Ltd. in Calgary. He has been active in the field of Engineering Geophysics for 40 years. He is a Fellow of the Geoscientists of Canada and an Honorary Fellow of the Engineers of Canada.
Topic Truths and Misconceptions of Engineering Geophysics
Abstract In recent years, there has been a tendency to develop geophysical instrumentation that is user friendly. The advantage of having...
  user friendly instrumentation is that geophysical surveys can be undertaken by non-geophysicists. Unfortunately the downside is that there are many misconceptions about what geophysics can accomplish and what the results of a survey may actually mean. The fallout from the misconceptions can be unrealistic expectations by both the service providers as well as the ultimate end user of the data. The purpose of this presentation is to provide an insight into some of both the truths and misconceptions associated with engineering geophysics and to provide an overview of the limitations of several common geophysical methods. This will be accomplished through the use of case histories combined with some of the basic principles of engineering geophysics.
CostFree
RSVPNot Required

Date Thursday March 17, 2016
EventMarch – Regular Series Lecture
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Main Hall)
Time 5:30 – 6:00 pm: Cash Bar and Light Snacks
6:00 – 7:00 pm: Presentation
Speakers Athar Khawaja, M.S., MBA, P.Eng., Geotechnical Expert/Civil Engineer
  Athar Khawaja is a professional Geotechnical/Civil Engineer with over 20 years of progressive experience with team management, technical scope assurance and project management assignments. He completed his graduate studies from the University of Texas at Austin, in geotechnical engineering and also holds a Masters in Business Administration.
In Dubai-UAE, Mr. Khawaja was with Archirodon Construction Overseas wearing different hats including Engineering Team Manager, Geotechnical Lead and Civil Engineer for nine years. Archirodon is a major group offering engineering and construction services for large scale onshore and near shore design and build projects for various industries including the oil and gas sector. During his about 13 years long stay in Middle East; he was leading the geotechnical/civil design for a number of challenging EPIC projects in UAE, Qatar, Oman and Saudi Arabia. He has had hands-on experience of working with multidisciplinary design teams, managing internal and external stake holders, large scale infrastructure geotechnics; ports and near shore structure's geotechnical assessments; geotechnical investigation and site specific geological models, foundation design retaining structures; deep excavations; land reclamation; soil-structure interaction; liquefaction assessment; flexible and rigid pavements design; dewatering system design; shore protection works; planning and detailing of permanent/temporary works and construction support for deep foundations and ground improvement projects.
On relocating to Calgary in 2014, Mr. Khawaja joined the geotechnical engineering group of Tetra Tech EBA. At Tetra Tech EBA, Mr. Khawaja was visibly involved in operational and technical initiatives including: business development, client engagement, managing stakeholder interdependencies, managed and delivered geotechnical design projects in municipal, utilities, land development and infrastructure projects. He was also leading the geotechnical design for City of Calgary Green Line Southeast Light Rail Transit project with external design teams located in Alberta and British Columbia offices.
Topic Temporary Civil Works - Design and Construction Experiences of a Deep Cofferdam Project for a Pumphouse
Abstract In the EPIC environment, engineering solutions acceptable to all the stake holders is a crux for project delivery. The design...
  of a structure, whether it is temporary or permanent in nature, involves extensive coordination between the client and its stake holders, multi-disciplinary design teams, procurement and construction teams. Quality design delivery is dependent on many factors including: client requirements that are to be addressed through project specifications, considerations for construction equipment restrictions, procurement lead time and alternates, cost and structural system restraints.
This presentation is a walk-through of the design process and issues experienced during the design and construction of a 13 m deep temporary sheet pile cofferdam for a seawater intake/pumping station in Qatar. The geotechnical design of this temporary structure was undertaken using Plaxis, a finite element analysis software, to analyse various options for pre and post construction scenarios. The design involved consideration of the construction sequences, the type and levels of the internal struts, the ground improvement requirements and most important the safety of the construction team.
CostFree
RSVPNot Required

Date Thursday January 21, 2016
EventJanuary – Regular Series Lecture
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Main Hall)
Time 5:30 – 6:00 pm: Cash Bar and Light Snacks
6:00 – 7:00 pm: Presentation
Speakers Morteza Mohamadi, Ph.D.
  Dr. Morteza Mohamadi is currently a postdoctoral fellow in the department of Civil Engineering at University of Calgary. His main research interests include experimental soil and rock mechanics, constitutive modelling of soils and rocks, as well as coupled thermo-hydro-mechanical analysis in Geomechanics. Prior to joining University of Calgary, Dr. Mohamadi held an instructor position at Azad University of Kerman, Iran besides being professionally involved in the design of retaining walls and foundations on collapsible soils. He has been a registered professional member of the Iranian Engineering Organization since 2010.
During his PhD, Dr. Mohamadi has specialized in laboratory testing and constitutive modelling of shales/oil sands under non-isothermal conditions. This is one of the major research areas in the emerging multidisciplinary field of Energy Geotechnics. Using a comprehensive experimental, analytical and numerical approach, he has been able to successfully develop simple and yet robust constitutive models in order to predict the non-isothermal behavior of shales and oil sands in Alberta, Canada. Currently, he is actively involved in the implementation of these constitutive models in a commercial finite element package for their widespread use in engineering design projects.
Topic Thermo-mechanical Behaviour of Shales and Oil Sands
Abstract The study of the thermo-mechanical behaviour of shales and oil sands presents challenges that go beyond conventional methods...
  of analysis in geotechnical engineering. Furthermore, shales and oil sands are well-known to be difficult materials to test in the laboratory, let alone complexities that arise due to coupled multiphysics under non-isothermal conditions. The current presentation initially focuses on the experimentally observed characteristics of shales and oil sands in Alberta, including inherent anisotropy, structuration and thermal sensitivity of the material parameters. Based on the experimental results, deficiencies of the conventional constitutive models are highlighted and two simple constitutive frameworks for describing the aforementioned mechanisms are introduced. The adequacy of the models is verified against experimental data and some preliminary results of the implementations in the boundary value problems are presented.
CostFree
RSVPNot Required

Date Thursday December 3, 2015
EventDecember – Regular Series Lecture
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Main Hall)
Time 5:30 – 6:00 pm: Cash Bar and Light Snacks
6:00 – 7:00 pm: Presentation
Speakers Joanna Chen, Ph.D., P.Eng.
  Dr. Joanna Chen is a senior geotechnical engineer with Klohn Crippen Berger Ltd. in Calgary. She has over 20 years of well-rounded geotechnical consulting engineering and academic research experience.
Her focus has been on the geotechnical assessment, engineering design and project management including engineering designs of geotechnical elements for the open pit oil sands mines, tailings dykes and dyke internal drainage, slope stabilization measures and retaining walls, dam safety reviews, dam surveillance plan development, foundation design, geotechnical site investigation and testing, abandoned coal mine subsidence assessment and frozen soil engineering.
She is specialized in mechanism study and numerical modelling of slope failures. The numerical method for mobility analysis of fast landslides and debris flows formulated in her Ph. D. thesis has been applied to various case histories and engineering projects in Canada, Hong Kong, Italy, Peru and published in major international geotechnical journals. She is working closely with the CDA Mining Dam subcommittee towards expanding this methodology to the dam breach tailings runout assessment.
Topic Debris Flows and Dam Breach Tailings Runout Assessment
Abstract A key component in risk assessment for landslides in urban areas, or for determining the consequence classification for tailings...
  dams in accordance with the CDA Dam Safety Guidelines is the potential runout distance or the extent of flow of debris/tailings, which provides the main basis for estimating the potential downstream impacts in the event of a landslide or a tailings dam failure. The runout assessment results also provide important input in the preparation of Emergency Preparedness Plans where required. In this presentation a general debris flow process including failure modes and propagation is introduced. Methodology of the runout distance assessment and a few case studies including debris flows, rock avalanches and dam breach tailings runout of a typical tailings containment dam are provided.
CostFree
RSVPNot Required

Date Thursday November 5, 2015
EventNovember – Regular Series Lecture
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Main Hall)
Time 5:30 – 6:00 pm: Cash Bar and Light Snacks
6:00 – 7:00 pm: Presentation
Speakers Mickey Davachi, B.Sc., M.Sc., DIC, Ph.D., P.Eng.
  Dr. Mickey Davachi has a B.Sc. and an M.Sc. in Civil Engineering and a DIC, an M.Sc. and a Ph.D. in Civil/Geotechnical Engineering. He is a Principal Geotechnical Engineer with Amec Foster Wheeler. He has over 46 years of experience in providing technical specialist review and advice, project management, expert witness, study, planning, field investigation, design, construction supervision, dam safety review and safety evaluation for a wide variety of Canadian and International industry sectors including large-scale, oil sands, multi-disciplinary hydroelectric, water power, water resources, wind power, ports, marine, industrial, mining, pulp and paper and heavy civil engineering projects.
Topic The Fast-Track Design and Construction of the Kenogami Dam and Spillway - Jonquiere, Quebec
Abstract At the Abitibi-Price Inc. (API) and Cascade paper mills site, situated on the Riviere-aux-Sables in the city of Jonquiere,...
  Quebec, an existing dam was washed away during the 1996 Saguenay flood. Rehabilitation of the site required the construction of a new dam with a central cement-bentonite cut-off wall, founded partly on a sensitive marine clay and partly on bedrock, the restoration of an overflow spillway and rehabilitation works for various associated structures.
Using a fast-track design/construction approach, all work was completed within 5 months of the disaster, on time and within budget. The unique dam design proved very successful, with no significant increase in seepage or piezometric pressures recorded since impoundment.
This presentation will describe the investigations performed and geological conditions at the site, the design and construction of the Kenogami dam and overflow spillway and details of the successful application of the fast-track approach to the management of this project. The methods used to ensure the quality of the cement-bentonite wall and the results of post-construction monitoring of the dam will also be presented.
CostFree
RSVPNot Required

Date Wednesday September 30, 2015
EventSeptember – Fall Cross Canada Lecture Tour (CCLT)
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Alpine Room)
Time 5:30 pm – 6:00 pm: Registration and Cash Bar
6:00 pm – 6:30 pm: Buffet Dinner
6:30 pm – 7:30 pm: Presentation
Speakers Gordon Fenton, Ph.D., P.Eng.
  Dr. Gordon Fenton is a cross-appointed professor to the Civil Engineering and Engineering Mathematics Departments at Dalhousie University. His research interests include probabilistic modeling of geotechnical systems and the development of geotechnical reliability-based design codes and have led to his authoring of over 140 peer-reviewed papers.
Dr. Fenton currently serves as chair of the Canadian Highway Bridge Design Code Geotechnical Systems Committee, and is a member of the Canadian National Building Code Task Group on Climatic Loads, and a member of the Canadian National Building Code Standing Committee on Structural Design. He is also the North American Managing Editor for the international journal Georisk, past chair and current member of the ASCE Geo-Institute Risk Assessment and Management Committee, and vice-chair of the ISSMGE Engineering Practice of Risk Assessment and Management Committee.
For his research efforts, Dr. Fenton has received the Thomas C. Keefer Award from the Canadian Society for Civil Engineering, the George Stephenson Medal from the Institution of Civil Engineers, the Gzowski Medal from the Engineering Institute of Canada, and was elected a Fellow of the Canadian Academy of Engineering. His research work is summarized in his textbook Risk Assessment in Geotechnical Engineering, (Wiley, 2008).
Topic Reliability-Based Geotechnical Design: Link between Theory and Practice
Abstract Geotechnical design codes are increasingly migrating towards reliability-based design concepts. What this means is that ...
  geotechnical designs are starting to be specifically targeted at a failure probability that is societally acceptable and that depends on the severity of failure consequences. For example, the foundation of a hydro-electric dam, whose failure may result in significant downstream damage and potential life-loss, must be designed to have a lower failure probability than the foundation of a storage shed.
In order to properly employ reliability-based design concepts, a basic understanding of the probability concepts, as well as the link between site and model understanding and failure probability, is required. This lecture explains the basic ideas of probability theory and how they are used in modern geotechnical design concepts. Questions, such as "How are standard site investigation results used to estimate the probability of failure of a designed geotechnical system?" are addressed and illustrated using a number of examples.
Organizer Canadian Geotechnical Society
Funding Canadian Foundation for Geotechnique
Sponsors Klohn Crippen Berger
BGC Engineering Inc.
Golder Associates Ltd.
The involvement and contribution of the organizers and sponsors is gratefully acknowledged.
Cost $40 per person; full-time students are free of charge.
Pay at the door by cash or cheque only; pre-registration is required.
RSVP By email to CCLT@cgygeosociety.org or telephone by September 27, 2015.
For telephone registrations, please contact Daniel G. Bertrand at 403-387-1563 until September 24, and Ertan Ozmen at 403-387-1990 thereafter.
Please include your company name, phone number and indicate any dietary restrictions.

Date Thursday September 3, 2015
EventSeptember – Regular Series Lecture
LocationAustrian Canadian Cultural Centre, 3112 - 11 Street NE, Calgary (Main Hall)
Time 5:30 – 6:00 pm: Cash Bar and Light Snacks
6:00 – 7:00 pm: Presentation
Speakers Peyman Tabatabaei, Geotechnical Specialist, previous expert in World Bank projects in Iran
  Peyman Tabatabaei obtained his Bachelors and Masters degrees in 2003 and 2012, from the Faculty of Civil and Environmental Engineering at Amirkabir University of Technology (AUT), in Tehran, Iran, specializing in geotechnical engineering, civil engineering and project management.
The first three years of his career were spent working as a civil engineer in the oil, gas and petrochemical construction projects in the southwest of Iran. Then he spent four years working in the World Bank projects for Sureca/Dezab Joint Venture, international French/Iranian consultant based in Dubai/Iran, in the fields of geotechnical engineering, and infrastructural projects. The next three years were spent in KPSF Engineering Company, a consulting company specialized in static/dynamic pile testing and supervision.
He has worked in various geotechnical engineering projects such as shallow/deep foundation design, in-situ testing, earthworks, site investigations and ground improvement.
Since May 2015, Peyman has moved to Calgary. His focus has been on getting involved in geotechnical engineering projects, mostly in pile testing, optimization of piling plans and site investigations.
Topic Dynamic and Static Tests for Optimization of Spun Piles of a Utility Plant near Persian Gulf - Case Study
Abstract Mahshahr special Petrochemical Zone (PetZone) has been selected for developing petrochemical industries in the southwest...
  of Iran near Persian Gulf. The geotechnical formation of the area consists of very soft to soft fine-grained layers with lenses and sub-layers of fine sand distributed randomly. While driven concrete piles as an economical option have been widely used in the region, estimating the appropriate bearing capacity and drivable embedment depth are always a major challenge both during the design and construction phases.
The initial design phases had proposed more than 10,000 spun pre-stressed concrete piles, 450mm diameter and closed toe, with embedment depth of 18 through 28m across the 18-hectar construction site. A two-stage pile testing program was proposed. During stage 1 or "test pile" program, 30 test piles were driven near geotechnical boreholes and the center of significant structures. All the 30 test piles were dynamic (PDA) tested both at End of Initial Drive (EOID) and Beginning of Restrike (BOR). Three piles were selected for the static load test. On the basis of stage 1 "test pile" program results, the number of piles was reduced to about half with respect to the static analysis results such as effective stress analysis.
In the 2nd stage of the test pile program, the "construction piles" were also tested during the entire construction period. A combination of 5% dynamic load tests and average of two static load tests per main structure was adopted in this phase.
The performance of the elaborated testing program allowed adoption of a factor of safety of about 2, sometimes even slightly lower than 2. A simple relation is proposed for the selection of F.S. in conditions of combination of dynamic and static load tests. The "cost" and "construction time" analyses revealed considerable savings with performance of the testing program. homogeneous and durable wall. Such walls are protecting levees and dikes since decades from erosion through seepage. The walls, being reinforced if required, proved staying in place even if the levee is overtopped by a flood.
CostFree
RSVPNot Required