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WAVE TRAPPING BARRIERS. Traditional noise barriers have poor performance when installed as parallel barriers in front of noise sources with large reflection surfaces. This is because that the reflected noise from the far side barrier or from the source surfaces contributes significantly to the noise level at the receiver location. This project involves the investigation of a novel barrier, the wave trapping barrier (WTB), which is capable of retaining the noise between the source and the barrier ....WAVE TRAPPING BARRIERS. Traditional noise barriers have poor performance when installed as parallel barriers in front of noise sources with large reflection surfaces. This is because that the reflected noise from the far side barrier or from the source surfaces contributes significantly to the noise level at the receiver location. This project involves the investigation of a novel barrier, the wave trapping barrier (WTB), which is capable of retaining the noise between the source and the barrier and to provide maximum sound absorption at the frequencies of concern, and thus to minimize the contribution due to the reflection. The aim is to develop a theoretical and experimental model for the physical understanding and optimal design of the WTB. Outcomes include a new generation of noise barriers that are potentially light-weighted, fiberless and with higher insertion loss.Read moreRead less
Life Extension of Equipment Suffering Environmentally-Assisted Cracking: An Innovative Approach to Mitigation by Engineering of Materials in Service. Environmentally-assisted cracking (EAC) represents a serious threat to infrastructure exposed to caustic and chloride environments in process, marine, energy and chemical industries in Australia. Despite extensive research, there is no consensus mechanism for EAC. This project will investigate a fresh approach to life extension of in-service equipm ....Life Extension of Equipment Suffering Environmentally-Assisted Cracking: An Innovative Approach to Mitigation by Engineering of Materials in Service. Environmentally-assisted cracking (EAC) represents a serious threat to infrastructure exposed to caustic and chloride environments in process, marine, energy and chemical industries in Australia. Despite extensive research, there is no consensus mechanism for EAC. This project will investigate a fresh approach to life extension of in-service equipment suffering EAC, by developing and testing a mitigation measure reasonably independent of the EAC mechanisms. The task includes development of a consolidated strategy based on: accurate determination of the fundamental parameters for crack propagation, and in-situ thermomechnical treatment for local manipulation of material at and ahead of crack-tip, in order to retard/stop crack propagation.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0219038
Funder
Australian Research Council
Funding Amount
$320,000.00
Summary
Focused Ion Beam System for multidisciplinary applications. A Focused Ion Beam (FIB)system to be housed in a central facility and configured for maximum flexibility and utility over a very wide range of disciplines and applications. It will be used for micromachining and nanoscale fabrication, as an imaging device sensitive to crystal orientation and as a preparation device for scanning and transmission electron microscopy. It will support research including electronic and opto-electronic mater ....Focused Ion Beam System for multidisciplinary applications. A Focused Ion Beam (FIB)system to be housed in a central facility and configured for maximum flexibility and utility over a very wide range of disciplines and applications. It will be used for micromachining and nanoscale fabrication, as an imaging device sensitive to crystal orientation and as a preparation device for scanning and transmission electron microscopy. It will support research including electronic and opto-electronic materials, nanotechnology, complex mesoscale structures, earth sciences, small system optics, fracture behaviour of polymers and biocomposites.Read moreRead less
Electrorheological Fluid-based Actuators. The proposed project will make significant contribution towards both fundamental understanding of nanoparticle materials and the development of novel nanomaterial based devices. It is expected that new technology obtained from this research will be transferred to the automotive industry in Australia. It will also strengthen the collaboration between Australia and other countries, such as Hong Kong where research is also at the forefront in this field. Au ....Electrorheological Fluid-based Actuators. The proposed project will make significant contribution towards both fundamental understanding of nanoparticle materials and the development of novel nanomaterial based devices. It is expected that new technology obtained from this research will be transferred to the automotive industry in Australia. It will also strengthen the collaboration between Australia and other countries, such as Hong Kong where research is also at the forefront in this field. Australian research students and engineers will also gain training opportunities from this project.Read moreRead less
ARC Research Network for Advanced Materials. Materials science/engineering is decidedly interdisciplinary, covering all science and impacting on all manufacturing industry. This network will promote interactions that do not usually occur between materials researchers and students across Australia and internationally from diverse disciplines. The scope is broadly based on advanced materials production, processing and properties but focused in four areas, involving: i) innovative structural/functi ....ARC Research Network for Advanced Materials. Materials science/engineering is decidedly interdisciplinary, covering all science and impacting on all manufacturing industry. This network will promote interactions that do not usually occur between materials researchers and students across Australia and internationally from diverse disciplines. The scope is broadly based on advanced materials production, processing and properties but focused in four areas, involving: i) innovative structural/functional materials, ii) high-tech IT/communications/sensing materials, iii) materials solutions for manufacturing, iv) materials for a sustainable Australia, and v) emerging materials technologies. Key programs will promote interdisciplinary workshops and early career researcher interactions.Read moreRead less
Novel Cutting Picks for Mining Industry and an Australian Standard. This research will enable the development of highly efficient and robust mining picks and establish the methodology and techniques for setting up an Australian standard for mining picks which does not exist at present but is imperatively needed by the mining industry. The novel technology will provide effective solutions to improving mine environment and safety, and reducing nation's power consumption, green house gas emission, ....Novel Cutting Picks for Mining Industry and an Australian Standard. This research will enable the development of highly efficient and robust mining picks and establish the methodology and techniques for setting up an Australian standard for mining picks which does not exist at present but is imperatively needed by the mining industry. The novel technology will provide effective solutions to improving mine environment and safety, and reducing nation's power consumption, green house gas emission, and environmental pollution. These will in turn reduce the probability of black lung which has been the biggest killer of underground workers in mines.Read moreRead less
Mechanism and Control of In-situ Minerals Extraction. By introducing the theory of coupled hydraulic-mechanical-thermal-chemical processes and the well technology in petroleum engineering into in-situ minerals extraction, mineral values will be extracted directly from ore deposits without the need for mining. This work will have the potential to convert the known sub-economic mineral resources (about 37 million tonnes in Australia alone) into reserves. The five-year project will lead to a comput ....Mechanism and Control of In-situ Minerals Extraction. By introducing the theory of coupled hydraulic-mechanical-thermal-chemical processes and the well technology in petroleum engineering into in-situ minerals extraction, mineral values will be extracted directly from ore deposits without the need for mining. This work will have the potential to convert the known sub-economic mineral resources (about 37 million tonnes in Australia alone) into reserves. The five-year project will lead to a computer simulation assisted in-situ minerals extraction methodology for application in mining industry.Read moreRead less
Continuum Damage Mechanics in Geotechnical Engineering. Mining and oil exploration are amongst the major industries in Australia and must address geotechnical problems in which growth in damage plays a central role. For example, failure of an offshore platform can occur under cyclic environmental loading, due to accumulated damage to the seabed soils. Design tools are therefore needed that incorporate continuum damage mechanics in modelling the response of geomaterials. The project will place Au ....Continuum Damage Mechanics in Geotechnical Engineering. Mining and oil exploration are amongst the major industries in Australia and must address geotechnical problems in which growth in damage plays a central role. For example, failure of an offshore platform can occur under cyclic environmental loading, due to accumulated damage to the seabed soils. Design tools are therefore needed that incorporate continuum damage mechanics in modelling the response of geomaterials. The project will place Australia at the forefront in this field through the development of rigorous yet simple numerical models that achieve this, and thus underpin safe but economic geotechnical engineering solutions in the mineral resource industries.Read moreRead less
The micro-thermo-mechanics of sand crushing in geotechnical collapse problems. Oil and gas exploration is a major industry in Australia. Collapse problems in the soil to which structures such as oil rigs are anchored are a major challenge, involving issues of safety, longevity and maintenance. Research on this topic has been devoted to non-crushable sands, but Australia's offshore seabed is rich in breakable calcareous sediments. We will create a novel theory and visualisation techniques that wi ....The micro-thermo-mechanics of sand crushing in geotechnical collapse problems. Oil and gas exploration is a major industry in Australia. Collapse problems in the soil to which structures such as oil rigs are anchored are a major challenge, involving issues of safety, longevity and maintenance. Research on this topic has been devoted to non-crushable sands, but Australia's offshore seabed is rich in breakable calcareous sediments. We will create a novel theory and visualisation techniques that will allow us to gain a deep understanding of sand crushing and will be a major step towards minimising the occurrence of catastrophic failures in the offshore oil and gas industry. Read moreRead less
Response of residential structures to blast vibration. This proposed project combines the expertise and disciplines of residential construction, structural dynamics and blasting technology. The ultimate aim of the project is to develop a rational methodology for assessing the damage potential of ground vibration resulting from blasting on typical Australian residential structures. The project involves field blast vibration measurements, static and dynamic laboratory tests on structural sub-assem ....Response of residential structures to blast vibration. This proposed project combines the expertise and disciplines of residential construction, structural dynamics and blasting technology. The ultimate aim of the project is to develop a rational methodology for assessing the damage potential of ground vibration resulting from blasting on typical Australian residential structures. The project involves field blast vibration measurements, static and dynamic laboratory tests on structural sub-assemblages in a controlled environment, and comprehensive analytical modelling of both loading and response. The outcomes from this research will have direct application to the mining, insurance, construction and defence industries.Read moreRead less