Ingeokring, is the Dutch association of engineering geologists and geo engineers. It is the Dutch National group of the International Society for Rock Mechanics (ISRM) and the International Association for Engineering Geology and the Environment (IAEG). It is a forum for engineers and geologists in the Netherlands. During fieldworks and symposia organised by the Ingeokring its members and members of other societies in the Netherlands such as the KNGMG (Royal Geological and Mining Society of The Netherlands) meet, talks, discuss and learn. The Ingeokring is a provider of Continuous Professional Development courses recognised by the European Federation of Geologists.

With 150 members working in different organisations, ranging from universities and research institutes to contractors, from consultancy firms to various governmental organizations, Ingeokring plays a vital role in the communication between engineering geologists in The Netherlands.

Ingeokring organizes activities as excursions and symposiums, and publishes a Newsletter once a year. On this website more information can be found about upcoming events, publications, and the Newsletter. Check regularly for updates!

Ingeokring Board

The main members of the Ingeokring Board (Stichting IAEG 1990):

President | Dr. ir. S. Slob (Siefko)

Secretary | Dr. ir. A. Elkadi (Ahmed)

Treasurer | Ir. J.D. Adrichem (John)

Ingeokring-Student Awards

Ingeokring has established a prize for the best thesis (MSc, ir. or drs.) in the field of Engineering Geology submitted to a Dutch University or Institute of higher education. The prize consists of a sum of 500 Euro and a certificate, to be handed out every two years at the annual symposium being held by the Ingeokring every autumn.


Ingeokring and TU Delft Autumn 2022 symposium: Farewell to Robert Hack [from Rock to Opera]

Save the date! On Friday 18 November 2022 The Ingeokring organises the Autumn Symposium “From Rock to Opera”. This symposium is dedicated to Robert Hack who has committed a great part of his working life to research and education in the field of Engineering Geology. The symposium is hosted by TU Delft, Faculty of Civil …

Ingeokring Symposium 2022 in honour of the retirement of Wim Verwaal

A new date, hopefully covid free, has been selected for Wim Verwaal’s farewell symposium co-organized by the Ingeokring and TU Delft. When: 20th May 2022, 13:00 – 16:45 + Drinks *) Where: TU Delft, Civil Engineering Building, Hall B The Ingeokring Symposium 2021 has a very interesting program on the occasion of celebrating the retirement …

Ingeokring Autumn Symposium 2021 in honour of the retirement of Wim Verwaal CANCELLED due to COVID-19

Dear Ingeokring members, We invited you to Wim Verwaal’s farewell symposium and reception on 26 November 2021. Unfortunately, we must postpone the event because of the current COVID situation. Thank you for your understanding. We are looking forward to the time when this event can be held again in a safe manner. Dominique Ngan-Tillard & …

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