TC101 Newsletter

No. 4 - March 2018

  1. Address from Matthew Coop, new chair of TC101
  2. Report on ICSMGE Seoul 2017 and 4th Bishop lecture
  3. Call for abstracts ISGlasgow2019 and key dates, website
  4. Selection process for the 5th Bishop lecturer
  5. One-day seminar pre-Rankine Lecture, London, UK
  6. Message sent on behalf of Prof. Pierre Delage, Chairman of the ISSMGE Technical Oversight Committee

Dear TC101 members,

After the shock of being elected Chair of our TC came the sober realisation of how difficult it would be to live up to the wonderful job done by Junichi Koseki and Lyesse Laloui, for which we all owe them our sincerest thanks. Fortunately Erdin Ibraim has stepped up from Secretary to Vice-Chair and Satoshi Nishimura has become our new Secretary, so I am in excellent hands.
Ten years ago I wrote a small article for Géotechnique’s 60th birthday about the history of laboratory testing as seen through its pages. I was a bit gloomy regarding the increasingly incremental nature of our work and the difficultly of making the rapid progress of our forebears in a now maturing science. Sometimes we seem to get bogged down in the detail, while struggling for new directions. The counterpoint to this though, is that what we actually saw in Buenos Aires and I am sure we will see in Glasgow, which is a vibrant community carrying out a quality and variety of research that could only have been dreamt of when I started my research career. But I suppose that where we have less to celebrate is that when we sit in on sessions of other TC’s at international conferences, our elegant research often seems to have been reduced to a profile of undrained shear strength or a fifty year old constitutive model. So apart from fighting with the complexities of partially saturated soil behaviour, or for me the maddening detail of particulate behaviour, I imagine that our key challenge for the future will be to get more of our science adopted by others, which I guess means we may spend a little less time negotiating about the finer details of fabric effects and more time challenging the methods adopted by the wider community. In this I look forward to spending more time at our TC101 activities and other conferences, meeting old friends and making new ones.

With my best wishes,


TC101 contribution for the ICSMGE Seoul 2017 and 4th Bishop Lecture

We are extremely pleased to report that a number of 60 technical papers (from a total of about 800 submissions) have been selected by the local organising committee of the 19th ICSMGE, either based on the content or authors' preferences, to be presented under the technical area covered by our TC.  As a consequence, we have been in charge of the organisation of four TC101 technical sessions including the selection of the papers for oral and poster presentations. In addition, two General Report papers based on these contributions have been prepared and presented. TC101 would like to thank all the authors for their participation and contribution. All the papers, in an open access format, can be downloaded from the ISSMGE website

4th Bishop Lecture

The 4th Bishop Lecture entitled Modelling and testing was delivered at the 19th ICSMGE Seoul by Prof. David Muir Wood. The full paper can be downloaded from the ISSMGE website. For the video recording of the lecture please follow this link. The abstract of the lecture is presented below. 

All soil testing is performed in the context of an implicitly or explicitly assumed model for the soil. The interface between modelling and testing is challenged by deficiencies of the testing and by deficiencies of the model.
Soils are particulate materials; stress concentrations at the particle scale mean that inadvertent heterogeneity is to be expected. Some testing configurations lead to inevitable inhomogeneity. Interpretation of the response assuming homogeneous deformation carries some margin of error.
Models are inevitably deficient. The more severe the deficiency, the harder it becomes to calibrate the model. Every chosen set of parameters requires an associated narrative justifying that choice. Models are rarely subjected to testing which deliberately sets out to refute the conjectures on which they are based.
A model is an appropriate simplification of reality. No matter how extensive our testing of a model against laboratory data a subsequent application will certainly take it into an unknown region in which it is to be hoped that no unintended instabilities will appear.

Call for abstracts 
The 7th International Symposium on Deformation Characteristics of Geomaterials
(IS-Glasgow 2019)

 Wednesday 26 June - Friday 28 June 2019

Technology and Innovation Centre (TIC) of the University of Strathclyde
, Glasgow, UK 
The Call for Abstracts for the 7th International Symposium on Deformation Characteristics of Geomaterials is now open. The symposium is organised under the auspices of the Technical Committee TC101. The Abstract Submission Form is available at the symposium website and can be sent by e-mail as per instructions on the form to before 1st of June 2018 deadline. The Symposium covers a broad range of topics:

Advanced laboratory and field testing of geomaterials in saturated and unsaturated states
o             Novel sensors for laboratory testing
o             Advances in laboratory testing technique
o             Digital image and PIV analysis
o             Advances in ground investigation and field monitoring
o             Geophysical methods
o             Advanced sampling
o             Particle-scale experimental observation
o             Behaviour at geotechnical interfaces

From laboratory testing to constitutive and numerical modelling
o             Constitutive modelling  of geomaterials
o             Numerical modelling of boundary value problems
o             Physical modelling
o             Anisotropy and localisation
o             Time dependent responses (ageing, creep)
o             Cyclic and dynamic behaviour
o             Soil stabilisation (lime, cement, geopolymers, biopolymers, alkaline activation)
o             Soil improvement via biological and chemical processes
o             Thermal behaviour
o             Frozen soils including hydrates
o             Mixtures (soils with inclusions)
o             Soil-plant interaction

Application of advanced testing to practical geotechnical engineering
o             Integrated site characterisation
o             Performance evaluation of geotechnical structures
o             Field monitoring and observational method

We are very pleased to confirm the participation of the following Keynote speakers: Emmanouil M Tentzeris (Georgia Institute of Technology, USA), Torsten Wichtmann (Bauhaus-Universität Weimar, Germany), Jonathan Chambers (British Geological Survey, UK), Reiko Kuwano (University of Tokyo, Japan), Lyesse Laloui (École Polytechnique Fédérale de Lausanne, Switzerland), Lidija Zdravkovic (Imperial College, UK), Cino Viggiani (Université Grenoble Alpes, France), Pierre Delage (École des Ponts ParisTech, France), Cristina Jommi (Delft University of Technology, the Netherlands & Politecnico di Milano, Italy),  and Andrew Ridley (Geotechnical Observations, UK). 

The Symposium will host the 5th Bishop Lecture. The 5th Bishop Lecturer will be elected by the Technical Committee TC101 and announced in Spring 2018.

Nomination and selection process of the 5th Bishop Lecturer
TC101 established Bishop Lecture in commemoration to late Professor Alan W. Bishop, to be delivered by the world's most distinguished figures in experimental soil mechanics. Prof. Bishop's original designs for scientific apparatus, meticulous attention to experimental detail and rigorous approach to interpretation were acknowledged internationally. He was also highly successful in applying his research in geotechnical practice, particularly in the fields of embankment dam engineering and slope stability assessment.  The 1st Bishop Lecture was delivered by Professor Fumio Tatsuoka at the 5th International Symposium on Deformation Characteristics of Geomaterials in Seoul, Korea, 2011. The 2nd Bishop Lecture was delivered by Professor Richard Jardine at the 18th International Conference on Soil Mechanics and Geotechnical Engineering in Paris, France, 2013. The 3rd Bishop Lecture was presented by Professor Herve DI Benedetto at the 6th International symposium on Deformation Characteristics of Geomaterials in Buenos Aires, Argentina, 2015. The 5th Bishop Lecture was delivered by Prof. David Muir Wood at the 19th ICSMGE Seoul, Korea, 2017.

The process for the selection of the 5th Bishop Lecturer is in progress and TC101 members are invited to vote via email to TC Secretary at  Deadline:  30.03.2018

Linking fabric, structure and soil behaviour: Recent advancements
A half day seminar at Imperial College London: 1:00 – 4:30 pm 21st March 2018
Organised by Imperial College London, BGA and ICE

Jointly supported by TC101 and TC105
A half day seminar discussing recent developments in understanding fabric and structure effects on soil behaviour is organised in advance of the 2018 BGA Rankine Lecture delivered by Dr Nick O'Riordan of Arup on Dynamic Soil Structure Interaction. The title of the talks and speakers are:
  • Quantifying fabric and considering its effects. Prof. Catherine O’Sullivan, Imperial College London, UK
  • Fabric-sensitive soil mechanics. Dr. Antonio Carraro, Imperial College London, UK
  • How well can we measure the evolution of sand micro-structure? Prof. Cino Viggiani, Université Grenoble Alpes, France
  • Soil structure: Enduring memory. Prof. J. Carlos Santamarina, KAUST, Saudi Arabia
  • Structure in soils of different geological origins. Prof. Matthew Coop, University College London, UK
  • Soil structure evolution and contribution in the context of bulk cargo shipping. Dr. Chris Menkiti, Geotechnical Consulting Group, UK

Message sent on behalf of Prof. Pierre Delage, Chairman of the ISSMGE Technical Oversight Committee
The Technical Oversight Committee (TOC) would like to fully support an initiative recently launched on behalf of the President of ISSMGE Charles Ng and of the Innovation and Development Committee (IDC), a Board Level Committee chaired by D. Zekkos. In this context,  we are pleased to invite all TC members to participate to a survey on “Innovation Initiatives of ISSMGE.” The IDC has been working for the last eight years on a number of initiatives, and as new priorities are being set, we think the feedback of TC Officers and members will be extremely useful on the prioritization of new initiatives.

Many thanks for forwarding this message to all your TC members to ask for their participation to this survey: Our objective is to get at least 50% response among TC members.

It should take no more than 8 minutes to fill in the survey. Also, a lottery will be held and one participant will receive a set of geotechnical books; to be eligible for the prizes, participants are asked to include their email in their response.

The survey will be available until April 30th.

Thank you for participating, the contribution of TC members to this important initiative is mostly appreciated.

Dimitrios Zekkos, Chair of the Innovation and Development Committee (IDC)
Pierre Delage, Chair of the Technical Oversight Committee (TOC)

TC101: other news and future events
Please let us know of any event, success or technical information of general interest you would like to communicate and include in the next TC101 Newsletter by sending an e-mail to: 

ISSMGE, TC101: Laboratory Stress Strain Strength Testing of Geomaterials
M. Coop (Chair), E. Ibraim (Vice Chair), S. Nishimura (Secretary)

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