As part of the TAILLIQ project, we are testing different mine tailings on a mini calibration chamber developed at UWA through the modification of a triaxial equipment and the addition of two different small CPT probes developed by the NGCF team (http://www.ngcf.edu.au/...

Of the various activities we are carrying out as part of TAILLIQ, it seems likely that most tailings engineers would be least familiar with beam centrifuge testing of model embankments.  We therefore thought it would be useful to prepare a video showing the preparation...

Preparation of large scale bulk samples forms an important part of our work in the TAILLIQ project.  Such material can then be used for various tests such as beam centrifuge, calibration chamber, and a range of element tests.

This video shows Riccardo Fanni and David Re...

We recently completed a set of mini penetrometer testing on reconstituted iron ore tailings obtained from BHP’s Mount Whaleback mine.  The centrifuge testing included CPTu, T-bar, and ball penetrometers.  The focus was on rate effects and brittleness, to enable linking...

One of the focuses of TAILLIQ is using the Discrete Element Method (DEM) to simulate cone penetration tests in a saturated undrained granular medium.

In this model, the fluid behaviour is simulated using the Lattice Boltzmann Method (LBM). The coupled LBM-DEM model is...

As part of TAILLIQ, we are using tube samples obtained adjacent to CPT probes to supplement and compare to our calibration chamber test results.  Tube samples taken in saturated low plasticity tailings can, in some cases, provide a useful estimate of in situ void ratio...

We are organising a round robin program focused on slope stability as part of TAILLIQ.   The problem involves investigating stability of a TSF with a rising phreatic surface (image below).  

Further information on the program can be found here:  https://d...

We recently carried out our fourth set of tailings sampling, this time at a Freeport-McMoRan Inc. mine in Arizona.  Samples were taken from the base of a battered excavation approximately 4 m deep, to allow direct comparison of the results of laboratory testing to cone...

As part of the TAILLIQ project, we will be carrying out centrifuge tests on model embankments.  These tests are to better understand some aspects of static liquefaction triggering, propagation of failure, and comparison to detailed laboratory test programs on the same...

We are commissioning an upgrade to our GDS triaxial cell, referred to as a DigiRFM, which gives much greater responsiveness when carrying out stress-controlled tests.   In the context of drained static liquefaction triggering, this enables constant shear drained (CSD)...