Grimsel Test Site (Switzerland)

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Grimsel Newsletter

Click on link for PDF download : GTS Newsletter 02 - December 2019

GTS Virtual Tour

Take a high quality virtual tour through all of the Grimsel test site.

Colloid Formation and Migration

Colloid-facilitated transport of radionuclides in a repository host rock.

FEBEX-DP

Dismantling the FEBEX project after 20 years of operation.

GAST

The Gas-Permeable Seal Test experiment

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Welcome to the Grimsel Test Site (GTS) Website

The Grimsel Test Site (GTS) located in the Swiss Alps was established in 1984 as a centre for underground Research and Development (R&D) supporting a wide range of research projects on the geological disposal of radioactive waste. International partners from Europe, Asia and North America are working together at this unique facility.

ABOUT THE GTS

The GTS Experiments

Disposal background

International Partners from around the world

Currently running projects at the GTS

Upcoming Events related to the GTS

3rd - 4th June 2020: ISCO Meeting, Grimsel - Switzerland

Ready for a new technical challenge?

The International Services and Projects (ISP) Division in Nagra is looking for a technical-scientific project manager

Full description in this PDF download

Swiss TV : Neues Forschungs-Projekt soll Geothermie salonfähig machen

NUMO (Nuclear Waste Management Organization), Japan has become a new partner in following projects: CFM, LCS, LTD and MaCoTe.

ISCO 2019

click to view larger image

Grimsel's Role in International Underground Research & Development

The Grimsel Test Site is a research facility and not a potential repository site; although investigations may utilise a wide range of radioactive tracers, no radioactive waste will be disposed of at the GTS.

Grimsel Partners from around the world

NEW : High res virtual tour of the GTS. Older archives : Virtual Tours Archive.

Explore the GTS in a "street view" style point and click explorer.

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GTS Newsletter & Fact Sheet PDFs

Newsletter 002

Grimsel 2010 English (PDF 1,119 kb )

Grimsel 2010 Deutsch (PDF 989 kb )

Upcoming GTC Courses

The Grimsel Training Centre (GTC) offers the chance to receive training and gain hands-on experience in our operational URL in the heart of the Swiss Alps.

Engineered Barrier System (EBS) Bentonite properties and applications

7 to 11 September 2020 – 1 week - @ GTS and University of Berne

This course aims to provide an opportunity to exchange key information and ideas on clay barrier research in order to support engineering designs. Key physiochemical, geochemical and hydromechanical properties as well as relevant analytical techniques and conceptual models will also be introduced. Full details and application form pdf 475 kb.

From RD&D requirements to in-situ Experiments – how to design and setup URL experiments

26 to 28 August 2020 – 3 days - @ GTS

This course teaches how to manage and design URL experiments ranging from relatively small experiments with one or two boreholes up to large scale experiments testing and demonstrating the performance of EBS component(s). Each experiment is unique; there is no ‘manual’ that can be referred to. To this end, new techniques and/or procedures often have to be designed and developed to achieve the experimental goals.

Use of radioactive tracers in URL experiments (input to safety cases)

31st August to 2nd September 2020 – 3 days - @ GTS

The GTS is one of only a few URLs where radioactive tracers can be used in migration tests in the rock itself at activities requiring a license. This course aims to show how such in-situ tests can produce results that are more reliable and realistic than standard in-situ tests using non-radioactive tracers.

The GTS underground facilities are also available to interested 3rd parties for underground testing and research. The GTS offers cost-effective access to a fully developed, well characterised underground research facility with round the year logistical support - please contact Dr. Ingo Blechschmidt, Head of the Grimsel Test Site, for further details.

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Grimsel Test Site : Videos and Animations

Browse our small library of films, videos and animations : Videos and Films

Grimsel Test Site : Brochures and Publications

View our online brochures and publications in our Media and Downloads section.