Geotechnical Forum - Winter Semester 2022/2023

 

For the Winter Semester 2022/2023 we would like to invite all interested listeners to the lectures of our series "Forum Geotechnik". We have decided to hold the lectures - subject to the then applicable Corona rules - again in presence, namely on Thursday, 18:15 - 19:45 in the lecture hall BS II of the Faculty of Civil Engineering.

Afterwards, the discussion with the speakers will be continued with rolls and beer in our institute library. You are invited to join us as well.

We are very much looking forward to your coming!
Prof. Dr. Raul Fuentes

Thursday, 27.10.2022, 6:15pm - 7:45pm

Dr.-Ing. Martin Wittke
Dr.-Ing. Bettina Wittke-Schmitt
Dr.-Ing. Patricia Wittke-Gattermann
WBI GmbH, Weinheim

Rock mechanics and tunneling for the Stuttgart 21 project

For Stuttgart 21, more than 50 km of tunnels were built in the urban area of Stuttgart. Numerous challenges of rock mechanics and tunneling had to be mastered, including 17 km of tunnels in anhydrite, large cross-sections with more than 200 m² in full excavation, heave injections, TBM excavations in sedimentary rock, various interceptions, and shaft and tunnel structures in geologically pre-stressed mudstones. In the lecture an overview of the project will be given and individual highlights of the rock mechanics and construction technology will be presented.

 

Thursday, 17.11.2022, 6:15pm - 7:45pm

Dr.-Ing. Markus Adams
Wayss & Freytag Ingenieurbau AG

Västlänken Gothenburg, Sweden: Experience from three years of diaphragm wall construction

In the heart of Gothenburg, the local and regional rail network is being upgraded with a new train route, mainly  underground, using the cut-and-cover method. Three new stations are also being built for this purpose. The  challenges of special civil engineering lie, among other things, in the difficult geotechnical and hydraulic boundary  conditions as well as in the sometimes extremely cramped inner-city space conditions. The lecture will report on the diaphragm wall and bored pile work on construction lots E02 Centralen and E05 Korsvägen.

 

Thursday, 01.12.2022, 6:15pm - 7:45pm

Prof. Dr.-Ing. Dieter Dahmen
RWE Power AG, Bergheim

Geotechnical issues of the planned open pit lakes in the Rhenish mining area

As a result of Germany's political decision to phase out lignite mining, the Rhenish lignite mining district is faced with the task of creating large permanent embankment systems at an early stage in the Hambach and Inden opencast mines to shape the future opencast lakes. In this context, the future deepest lake in Germany will be created in the Hambach open pit mine, whereby the permanent slope stability must also be ensured under the influence of earthquake effects. In the lecture, the manifold geotechnical issues that now have to be dealt with in the short term will be presented and the current status of the investigations will be reported.

 

Thursday, 19.01.2023, 6:15pm - 7:45pm

Univ.-Prof. DI Dr.-Ing. Thomas Marcher
Inst. für Felsmechanik und Tunnelbau, TU Graz

Brenner Base Tunnel: Innovative and sustainable aspects in the execution of the project

A large number of innovative solutions are being implemented during the execution of this major project:
this starts with considerations for sustainable single-shell tunnel lining of conventionally excavated areas, the systematic use of sensor data from the mechanically excavated exploratory tunnel up to a research project for the permanent thermal use of the resulting drainage water for the city of Innsbruck (thermocluster).

Contact

Academic director, Dipl.-Ing. Martin Feinendegen © Copyright: GUT

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