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2021 / Ground Engineering / Non ATC Papers / Research Paper / Slurry & Mechanical Engineering

DEM simulation of the thermo-geomechanical effect of recycled concrete aggregate assemblies in geothermal pavement bases

This paper studies the discrete element modeling (DEM) of the thermal-geomechanical effect of recycled concrete aggregate (RCA) assemblies when harnessing renewable geothermal energy from pavement bases. This research study aims to simulate the behavior of RCA under repeated load triaxial test (RLT) at temperatures varying from 20 °C to 80 °C, to simulate temperature effects when harnessing geothermal energy from pavements.

H. Baghban, Swinburne, University of Technology

A. Arulrajah, Swinburne, University of Technology

A. Guillermo, The University of Melbourne

S. Horpibulsuk, The Royal Society of Thailand, Bangkok, Thailand

Transportation Geotechnics, Volume 28, May 2021

2021 / Ground Engineering / Non ATC Papers / Research Paper

Evaluating the effective thermal conductivity of geothermal pavements constructed using demolition wastes by DEM and 3D printing techniques

This paper studies the effect of various parameters on the effective thermal conductivity (λeff) of the geothermal pavement system when constructed using construction and demolition (C&D) materials.

H. Baghban, Swinburne, University of Technology

A. Arulrajah, Swinburne, University of Technology

A. Guillermo, The University of Melbourne

S. Horpibulsuk, The Royal Society of Thailand, Bangkok, Thailand

Evaluating the effective thermal conductivity of geothermal pavements constructed using demolition wastes by DEM and 3D printing techniques. Acta Geotech. 17, 1681–1697 (2022)

2015 / ATC Papers / Journal / Tailings Management

Characterisation of a Deep, Under-consolidated Coal Tailings Deposit

In the Hunter Valley (and in other coal mining regions of Australia) coal tailings typically comprise slurries of low to medium plasticity clay, with the more intractable cases ranging into high plasticity. A combination of high compressibility and low permeability results in deposits having a very low coefficient of consolidation.

K. Seddon, ATC Williams

D. A. Pemberton, ATC Williams

Proceedings Tailings and Mine Waste Management for the 21st Century, pp 231-238 (The Australasian Institute of Mining and Metallurgy: Melbourne).

2010 / ATC Papers / Ground Engineering / Journal

Geocomposite faced rockfill — an innovative means of water-proofing tailings storages

This paper discusses the design and installation of a geomembrane sealing system (GSS) at the Sar Cheshmeh Copper Mine tailings dam, located in a region of high seismicity in central Iran.

C. Noske, ATC Williams

Proceedings of the First International Seminar on the Reduction of Risk in the Management of Tailings and Mine Waste, Australian Centre for Geomechanics, Perth, pp. 283-294

2013 / ATC Papers / Conference / Tailings Management / Waste & Resource Recovery / Water Management

Dugald River Tailings Storage Facility and Process Water Dam – Robust Options Analyses

The Dugald River Tailings Storage Facility and Process Water Dam are good examples of a robust options analysis.

Craig Noske, ATC Williams, Australia

Nathan Clements, MMG, Australia

Proceedings, International Mine Water Association Symposium, Denver, Colorado USA, 2013

2015 / Conference / Non ATC Papers / Water Management

Numerical analysis of effects of water leakage with loss of fines on concrete tunnel lining

One of the undesirable effects of water leaking into a tunnel is the loss of fines from the ground behind the tunnel lining. The loss of fines creates erosion voids around the tunnel which alter the stress distribution on the lining.

G. Ren, RMIT University

C.Q. Li, RMIT University

Y. Tan, RMIT University

Volcanic Rocks and Soils,1st Edition, CRC Press. 2015.

2017 / Conference / Ground Engineering / Non ATC Papers

Calcium leach of a concrete lining under aggressive groundwater conditions

Urban railway tunnels are an important infrastructure for public transportation. A lining of concrete is often cast to support the ground and protect the internal services in the tunnel.

Y. Tan, RMIT University

J. V. Smith, RMIT University

C. Q. Li, RMIT University

J. Duath, RMIT University

World Tunnel Congress 2017. Bergen, Norway

2018 / Non ATC Papers / Research Paper / Water Management

Predicting external water pressure and cracking of a tunnel lining by measuring water inflow rate

The flow of water into a tunnel, through the surrounding rock mass and the tunnel lining, has important implications for tunnel design and tunnel condition assessment. The hydraulic conductivity of the lining is a major controlling factor on the water inflow rate.

Y. Tan, School of Engineering, RMIT University

J V. Smith, School of Engineering, RMIT University

C-Q. Li, School of Engineering, RMIT University

M. Currell, School of Engineering, RMIT University

Y. Wu, School of Engineering, RMIT University

Tunnelling and Underground Space Technology. Volume 71, January 2018, Pages 115-125

2017 / Non ATC Papers / Research Paper / Water Management

Service Life Prediction of Metro Tunnel Lining Based on Water Ingress

The reliability of a tunnel is an ever-present concern for both tunnel managers and daily commuters. Water ingress of a tunnel was identified as a hazardous element for tunnels by previous work.

Y. Tan, RMIT Univeristy

School of Engineering, RMIT University
December 2017

2021 / ATC Papers / Conference / Dams Engineering / Tailings Management

Importance of adequate characterisation of fissured clay in dam foundations: a case study

Inadequate geotechnical investigation and hence undetected issues within the dam foundation have been responsible for many dam failures in the past. Fissured clay in the foundation poses a significant risk to the stability of the dam if it is not adequately detected and characterised. This paper presents a framework to evaluate the strength characteristics of fissured clay and their effect on the stability and performance of an embankment dam.

Y. Tan, ATC Williams

B. Ghahreman-Nejad, ATC Williams

K. Seddon, ATC Williams

ANCOLD Conference. Perth, 2021,

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DEM simulation of the thermo-geomechanical effect of recycled concrete aggregate assemblies in geothermal pavement bases

Evaluating the effective thermal conductivity of geothermal pavements constructed using demolition wastes by DEM and 3D printing techniques

Characterisation of a Deep, Under-consolidated Coal Tailings Deposit

Geocomposite faced rockfill — an innovative means of water-proofing tailings storages

Dugald River Tailings Storage Facility and Process Water Dam – Robust Options Analyses

Numerical analysis of effects of water leakage with loss of fines on concrete tunnel lining

Calcium leach of a concrete lining under aggressive groundwater conditions

Predicting external water pressure and cracking of a tunnel lining by measuring water inflow rate

Service Life Prediction of Metro Tunnel Lining Based on Water Ingress

Importance of adequate characterisation of fissured clay in dam foundations: a case study

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