Marine Engineering Geology
Welcome to the pages of the Marine Engineering Geology working group. Our young, practice-oriented, interdisciplinary research area combines aspects of soil mechanics, coastal and hydraulic engineering, geotechnical engineering, sedimentology, mineralogy, geochemistry and marine geology.
Basic research
In basic research, questions of sediment mechanics and shelf geology are described and quantified with the help of engineering-geological, geotechnical, sedimentological and geophysical methods. Examples are the determination of relative stratigraphies with the help of the degree of compaction, the assessment of slope stabilities, and the measurement of hydraulic permeabilities of coasts and shelf sediments. The North Sea and its complex quaternary past is another focus where classic methods of marine geophysics and soil exploration results from coring and cone penetration data are employed to advance our knowledge of stratigraphy, transgression, paleo landscape and hydraulic drainage development.
Applied focus
In our strongly applied orientation we focus on 3 topics:
Development and construction of new innovative methods of geotechnical soil exploration in the field (e.g. seabed and onshore cone penetration equipment for DIN-ISO and advanced in situ testing).
Construction, development, and operation of innovative geotechnical test rigs for the characterization of sediment samples in the laboratory (for example, Germany's only triaxial CPT test chamber with B1-B5 boundary conditions).
Use of calibrated numerical models to simulate complex soil-construction interactions.
With regard to Transfer and interface to application, we offer multidisciplinary scientific support and attendance of geotechnical pilot projects and large-scale industrial construction. The focus here is on renewable energies and their offshore and onshore implementation (e.g. Offshore Windfarm geotechnics).
Contakt:
Lead:
Prof. Dr. Tobias Mörz
tmoerz@marum.de
Phone 0421 218 65840
MARUM I - Room 2210
Secretary:
Sabine Sawitzki
ssawitzki@marum.de
Phone 0421 218 65510
MARUM I - Room 2250
Work Areas
- Applied geotechnical onshore and offshore field studies in Germany and Europe
- Development, construction and operation of innovative geotechnical onshore and offshore exploration technologies (Seabed CPT GOST, Vibro-Crawler, Vibro CPTu)
- Quaternary geology of the southern and central North Sea
- Site investigation and evaluation for offshore wind energy projects
- Development, construction and operation of innovative geotechnical laboratory test stands (CPT calibration stand, dynamic triaxial test stand)
- Geotechnical laboratory experiments
- In situ calibration of geotechnical survey methods (logging)
- Numerical modeling and analysis of large-scale deformations in geotechnical engineering
- Geotechnical engineering and clay mineralogy - Factors for the sensitivity analysis of slopes
- Special drilling for undisturbed geotechnical sampling
- West Antarctic continental slope with upstream floats
- Pacific continental slope off Central America
- Development of geotechnical measuring instruments
Methods
- Shear strength and consolidation testing
- determination of sedimentphysical parameters by means of logging and laboratory testing, sedimentary and structural characterisation of sediments (grain-size analysis, X-ray tomography).
- Lab tests prior to geotechnical and constructional field projects.
Collaborations
We proudly communicate that the MARUM - Research Faculty and Center for Marine Environmental Sciences at the University Bremen and our Working Group Marine Engineering Geology have entered into a collaboration with Deltares Unit GEO-Engineering, the Dutch independent institute for applied research in the fields of water, subsurface and infrastructure.
Based on the existent academic relationships between the University of Bremen, MARUM, and Deltares, it is intended to deepen the collaboration in research in the fields of numerical and physical modeling in geotechnical engineering (more...)
Current Topics
Clay and moon blamed for Omokoroa slips
Ein Artikel aus dem New Zealand Herald
http://www.nzherald.co.nz/bay-of-plenty-times/news/article.cfm?c_id=1503343&objectid=11836205
"Forscher veröffentlichen Artikel über neue Partikel, die dazu beitragen könnten, Erdrutsche zu verhindern"
Welche Rolle spielen Tonminerale und deren Beschaffenheit in Gegenden, wo es öfter Hangrutschungen gibt? Max Oke Kluger, Doktorand in der Graduiertenschule INTERCOAST vom MARUM – Zentrum für Marine Umweltwissenschaften der Universität Bremen, hat mit Kolleginnen und Kollegen einen Erdrutsch in abgelagerten Vulkanaschen in Neuseeland untersucht und deren Bestandteile im Labor analysiert. Dabei haben sie eine neuartige Struktur der so genannten Halloysit-Tonpartikel entdeckt. Diese ist wahrscheinlich dafür verantwortlich, dass sich die Erdmassen während eines Hangrutsches wie eine Flüssigkeit verhalten. Die Ergebnisse hat das Team jetzt in der aktuellen Ausgabe der Zeitschrift Geology veröffentlicht.
http://www.marum.de/Winzige_Partikel_mit_groszem_Einfluss.html