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Marine Geotechnics

Marine Geotechnics Lab

ringshear

Ring Shear Apparatus

Ring shear apparatus (25MPa normal stress) to determine frictional behaviour, peak and residual shear strength and pore-pressure changes of marine sediments

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classical Triaxial apparatus with three cells

Triaxial Apparatus

We operate several triaxial deformation systems for both research and education at moderate stress levels.

dynamischer Triaxialversuchsstand

Dynamic Triaxial Testing

Hydraulic load apparatus to simulate fluctuating three-dimensional stress conditions

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pizzaofen

Heated Direct Shear

Sim­u­lates fric­tional slid­ing of fault rocks down to PT re­gimes equi­val­ent to the seis­mo­genic zone

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Giesas

Direct Shear Apparatus (high stress)

The Marine Geotechnics laboratory at MARUM is equipped with six larger Giesa single-direct shear apparatuses.

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3 kleine GIESA

Direct Shear Apparatus (low stress)

The Marine Geotechnics laboratory at MARUM is equipped with three small Giesa single-direct shear apparatuses.

Scherflügelsonde

Vane Shear

Applicable during research cruises and in the lab, the vane shear apparatus is a fast and easy way to determine a first approximation of the undrained shear strength of sediments

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fallcone

Fall Cone Penetrometer

First-order estimate of sediment's stiffness

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Skizze Oedometer

Consolidation

We use a number of Oedometers to investigate the soil's consolidation in a geotechnical sense.

More information is available via Prof. Tobias Mörz (more)

Beheizbare Uniaxialapparaturen

Heated Uniaxial Apparatus

The al­ter­a­tion of mech­an­ical prop­er­ties such as per­meab­il­ity, void ra­tio and poros­ity can be de­term­ined by the change of de­form­a­tion and pore wa­ter pres­sure throughout the tests.

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Durchflussversuch

Permeameter

Several backpressured permeameter systems, spanning from 800 kPa to 3.5 MPa confining pressure, are available for hydraulic testing in the MARUM geotechnical laboratory.

pycno

Helium Gas Pycnometer

A gas pycnometer is a laboratory device used for measuring the density or, more accurately, the volume of solids

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Cone Penetration Testing

Teststand

The CPT test stand is a sturdy load frame with which CPTu probes may be pushed into sediment-laden pressure chambers under controlled laboratory conditions.