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Relevant bibliographies by topics / Victorian Brown Coal

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Academic literature on the topic 'Victorian Brown Coal'

Author: Grafiati

Published: 19 February 2023

Last updated: 20 February 2023

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Journal articles on the topic "Victorian Brown Coal"

1

WOSKOBOENKO, F. "Explosibility of Victorian brown coal dust☆." Fuel 67, no. 8 (August 1988): 1062–68. http://dx.doi.org/10.1016/0016-2361(88)90371-7.

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Patti, A. F., T. V. Verheyen, L. Douglas, and X. Wang. "Nitrohumic acids from Victorian brown coal." Science of The Total Environment 113, no. 1-2 (March 1992): 49–65. http://dx.doi.org/10.1016/0048-9697(92)90016-l.

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Hill, John O., Edward L. Charsley, and Martin R. Ottaway. "Thermal analysis of victorian brown coal." Thermochimica Acta 93 (September 1985): 741–44. http://dx.doi.org/10.1016/0040-6031(85)85186-8.

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WOSKOBOENKO, F., S. SIEMON, and D. CREASY. "Rheology of Victorian brown coal slurries1. Raw-coal water." Fuel 66, no. 9 (September 1987): 1299–304. http://dx.doi.org/10.1016/0016-2361(87)90070-6.

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Chaffee, Alan L., and R. B. Johns. "Aliphatic components of Victorian brown coal lithotypes." Organic Geochemistry 8, no. 5 (January 1985): 349–65. http://dx.doi.org/10.1016/0146-6380(85)90014-2.

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Woskoboenko, Fedir, Stanley R. Siemon, and Dennis E. Creasy. "The rheology of Victorian brown coal slurries." Fuel 68, no. 1 (January 1989): 120–24. http://dx.doi.org/10.1016/0016-2361(89)90023-9.

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McMahon, P. J., I. K. Snook, and W. Treimer. "The Pore Structure in Processed Victorian Brown Coal." Journal of Colloid and Interface Science 252, no. 1 (August 2002): 177–83. http://dx.doi.org/10.1006/jcis.2002.8414.

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Perry, Geoffrey J., Andrea Gray, and Glenda H. Mackay. "Carbonate formation during hydrogenation of Victorian brown coal." Fuel Processing Technology 10, no. 3 (June 1985): 285–97. http://dx.doi.org/10.1016/0378-3820(85)90036-0.

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Alfadlil, B. R., G. P. Knowles, M. R. Parsa, RR D. J. N Subagyono, Daniel, and A. L. Chaffee. "Carbon monolith from Victorian brown coal for hydrogen storage." Journal of Physics: Conference Series 1277 (July 2019): 012024. http://dx.doi.org/10.1088/1742-6596/1277/1/012024.

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COOK, P., and J. CASHION. "Mössbauer study of iron exchanged into Victorian brown coal." Fuel 66, no. 5 (May 1987): 661–68. http://dx.doi.org/10.1016/0016-2361(87)90276-6.

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Dissertations / Theses on the topic "Victorian Brown Coal"

1

Sujanti, Wiwik. "Laboratory studies of spontaneous combustion of the Victorian brown coal /." Title page, summary and contents only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09phs9478.pdf.

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Karami, Mojtaba. "Elastoplasticity of Victorian brown coal and its interaction with interseam clay." Thesis, Federation University Australia, 2021. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/179474.

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Batter instability is one of the major geotechnical concerns in open-cut mining of recent decades. A key factor in undertaking any stability assessment of batters and determining their Factor of Safety (FoS) against instability is understanding the geotechnical properties of the material comprising the batters. These geotechnical properties usually include stiffness and strength under various loading conditions such as compression, extension and creep. This thesis presents a comprehensive study of the geotechnical properties of materials comprising the batters in the Yallourn open-cut mine in Victoria, Australia, located at one of the largest sources of brown coal in the world. The materials studied in this research are Victorian Brown Coal (VBC) and fine-grained interseam material (containing mainly silt and clay particles). The presented study is based on four key steps undertaken during the research project: 1. Field investigation This step included drilling boreholes at the mine floor and mine crest and recovering samples of VBC and interseam for laboratory testing. Sample trays were logged to provide lithology data required for model generation for numerical modelling undertaken by other PhD students. 2. Laboratory testing This step involved a wide range of laboratory tests on undisturbed samples of VBC and interseam material to investigate soil characteristics, stiffness and strength of tested materials. 3. Data analysis and parameter determination This step included analysing the laboratory test results, preparing stress-strain plots and determining material properties such as pre-consolidation pressure, stiffness and strength. 4. Numerical analysis and model calibration This step included selecting proper constitutive models and determining the models’ parameters based on laboratory tests. The capability of models was then examined by verifying numerical model simulation against laboratory test results. The laboratory tests indicated that VBC shows a hardening feature in compression, leading to brittle failure, while also showing a sharp post-peak softening behaviour. The tests also showed that the interseam material is heavily over-consolidated with a dilative hardening feature. The stiffness and shear strength of the interseam were found to be sensitive to the applied strain rate. The conducted creep tests (applying constant shear stress for a selected period) under triaxial undrained conditions resulted in developing pore water pressure leading to creep failure. Based on the laboratory test results and the obtained geotechnical features of the tested materials, Hardening Soil (HS) and Soft Soil Creep (SSC) models were chosen to describe the geotechnical behaviour of both VBC and interseam material. Both models were calibrated using test results and employed in simulated laboratory tests, including oedometer and triaxial Consolidated Undrained (CU) tests using the Finite Element Method (FEM). This study indicates that, although most of the models’ parameters were determined successfully based on laboratory test results, engineering judgement and back calculating were required to find the best fit for the numerical simulations. The numerical modelling of oedometer and triaxial tests showed that the nonlinear hardening behaviour of VBC and interseam material was captured by the HS model. The stress path in triaxial CU tests and the stress-strain curve in unloading-reloading were simulated well by the HS model. The strain-rate dependency and creep behaviour of interseam material were simulated well by the SSC model, indicating that this model can predict the long-term behaviour of interseam material.
Doctor of Philosophy

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Perdigao, Cristhiana. "Assessment of horizontal bore drains performance in brown coal mines in the Latrobe Valley." Thesis, Federation University Australia, 2021. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/181877.

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Horizontal bores are essential infrastructures for maintaining the stability of open-pit mine batters. The infiltration of water from large surface catchments during rain events and induced deformation caused by mining activities can cause the build-up of pore water pressures in mine batters, potentially leading to catastrophic slope failures. A field investigation unit containing a camera has been developed to survey long (>300m) horizontal bores. Features observed using the camera along the profile of horizontal bores are discussed. Water flow was quantified by flow meters. X-Ray Diffraction (XRD) was undertaken to investigate the water precipitates within the selected bores. Water flow temperature was recorded to test the hypothesis of a possibility to indicate whether a borehole was draining from the saturated zone or from the surface water through its temperature. The investigations have been conducted to determine the cause of change in the efficiency of horizontal boreholes and find a reliable measure to assess longevity and performance of horizontal drains. Bore efficiency has been defined as the bore functioning as a preferential path for water within the batter to be drained out to reduce the saturated zone and associated pore water pressures within the batter. The results suggest blockages and fractures inside the bores can be considered the leading cause of the change in the efficiency of a bore. Blockages occur because of sediment accumulation and because of coal chunks from internal wall collapses. Internal fractures affect efficiency when they become the water preferred path; thus, retaining water flowing within the batter. The bore’s longevity is considered the period of the bore is considered effective. Water flow measurement is suggested as a reliable measure to assess bores’ longevity.
Masters by Research

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4

Guy, Peter John, and guyp@ebac com au. "The Solvent induced swelling behaviour of Victorian brown coals." Swinburne University of Technology. School of Engineering and Science, 2002. http://adt.lib.swin.edu.au./public/adt-VSWT20031218.142251.

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The solvent-induced swelling behaviour of Victorian brown coals was examined in detail to probe the bonding mechanisms in very low rank coals (in this case Victorian brown coal). Correlation of solvent properties with differences in observed swelling behaviour were interpreted in terms of the coal structure, and means of predicting the observed behaviour were considered. Modification of the coal structure via physical compression (briquetting), chemical digestion, thermal modification, and functional group alkylation was used to further elucidate those structural features which govern the swelling behaviour of Victorian brown coals. Briquette weathering (i.e. swelling and disintegration of briquettes when exposed to variations in humidity and temperature) was examined by making alterations to briquette feed material and observing the effects on swelling in water. The application of solubility parameter alone to prediction of coal swelling was rejected due to the many exceptions to any proposed trend. Brown coal swelling showed a minimum when the solvent electron-donor number (DN) minus its electron-acceptor number (AN) was closest to zero, i.e. when DN and AN were of similar magnitude. The degree of swelling increased either side of this point, as predicted by theory. In contrast to the solubility parameter approach (which suffers from the uncertainty caused by specific interaction between coal and solvent), the electron donor/acceptor approach is about specific interactions. It was concluded that a combination of total and three-dimensional solubility parameters and solvent electron donor/acceptor numbers may be used to predict solvent swelling of unextracted brown coals with some success. Solvent access to chemically densified coal was found to be insensitive to a reduction in pore volume, and chemical effects were dominant. Thermal modification of the digested coal resulted in reduced swelling for all solvents, indicating that the structure had adopted a minimum energy configuration due to decarboxylation and replacement of hydrogen bonds with additional covalent bonds. Swelling of oxygen-alkylated coals demonstrated that the more polar solvents are able to break relatively weak hydrogen bonded crosslinks. The large difference between the rate and extent of swelling in water (and hence weathering) of Yallourn and Morwell briquettes was shown to be almost entirely attributable to exchanged magnesium. Magnesium exchange significantly increases the rate and extent of swelling of Yallourn coal. It was also shown that the swelling of briquettes due to uptake of water by magnesium-exchanged coals is reduced significantly with controlled ageing of the briquettes. The solvent swelling behaviour of Victorian brown coals is consistent with the notion that coal is a both covalently and non-covalently crosslinked and entangled macromolecular network comprising extractable species, which are held within the network by a wide range of non-covalent, polar, electron donor/acceptor interactions. Solvents capable of significant extraction of whole brown coals are also capable of significant swelling, but not dissolution, of the macromolecular coal network, which supports the view that the network is comprised of both covalent and ionic bonding. Victorian brown coals have also been shown to exhibit polyelectrolytic behaviour due to a high concentration of ionisable surface functionalities.

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Zhao, Lei. "Three-dimensional numerical study on the batter instability mechanism of Maddingley Brown Coal Open Pit, Victoria, Australia using PLAXIS 3D." Thesis, Federation University Australia, 2019. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/172972.

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With the increased size of excavation due to long-term open cut mining, batter instability has become a major geo-hazard in Victorian Brown Coal Open Pits where facilitate some largest brown coal mining operations in the world. Block failure is a unique failure mode in Victorian brown coal mines, which is often associated with cracks and rainfall. Maddingley Brown Coal Mine (MBC) is located in Bacchus Marsh, Victoria, Australia. Slope instability has also been a major geo-problem since the open pit mining commenced in MBC in 1940s. Making clear the cracking mechanism and the correlations between rainfall and batter instability have important implications in better understanding and predicting batter failures in Victorian brown coal mines. In this research, three-dimensional geologic models were developed to investigate the mechanism of brown coal batter instability. The finite element program encoded in Plaxis 3D was employed to conduct the complex two-phase (fluid-solid) coupled numerical simulations. The results revealed the cracking mechanism of coal batter and the effects of rainfall on batter stability. It was found that the brown coal batter with overburden tends to lead a circular critical path while the batter after overburden removal shows a trend of block sliding as interpreted by the shear and tensile strains simulated. The existence of joints and the hydrostatic water pressure in the joints could adversely affect the stability of brown coal batter towards block failure. Precipitation can increase the deformation, excess pore pressure, total pore pressure, active pressure and decrease the matric suction, and thereby decrease the shear strength, effective stress, and batter stability. The results from the three-dimensional hydro-mechanically coupled finite element study were well agreed with the field monitored data, theoretical calculations, and Victorian brown coal mining experience.
Doctor of Philosophy

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Books on the topic "Victorian Brown Coal"

1

A, Durie R., ed. The Science of Victorian brown coal: Structure, properties, and consequences for utilization. Oxford: Butterworth-Heinemann, 1991.

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2

The Science of Victorian Brown Coal. Elsevier, 1991. http://dx.doi.org/10.1016/c2013-0-04527-6.

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3

Li, Chun Zhu. Advances in the Science of Victorian Brown Coal. Elsevier Science & Technology Books, 2004.

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Advances in the Science of Victorian Brown Coal. Elsevier Science, 2004.

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Li, Chun Zhu. Advances in the Science of Victorian Brown Coal. Elsevier Science, 2004.

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Advances in the Science of Victorian Brown Coal. Elsevier, 2004. http://dx.doi.org/10.1016/b978-0-08-044269-3.x5000-6.

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Durie, R. A. Science of Victorian Brown Coal: Structure, Properties and Consequences for Utilization. Elsevier Science & Technology Books, 2013.

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Durie, R. A. The Science of Victorian Brown Coal: Structure, Properties, and Consequences for Utilization. Butterworth-Heinemann, 1992.

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9

John, Angela V. By the Sweat of Their Brow: Women Workers at Victorian Coal Mines. Taylor & Francis Group, 2013.

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By the Seat of their Brow: Women Workers at Victorian Coal Mines (Economic History (Routledge)). Routledge, 2006.

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Book chapters on the topic "Victorian Brown Coal"

1

Zhao, Lei, and Greg You. "Cracking Mechanism Along the North Batter of Maddingley Brown Coal Open Pit Mine, Victoria, Australia." In Engineering Geology and Geological Engineering for Sustainable Use of the Earth’s Resources, Urbanization and Infrastructure Protection from Geohazards, 115–29. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61648-3_8.

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Hayashi, Jun-ichiro, and Kouichi Miura. "Pyrolysis of Victorian Brown Coal." In Advances in the Science of Victorian Brown Coal, 134–222. Elsevier, 2004. http://dx.doi.org/10.1016/b978-008044269-3/50005-4.

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Okuma, Osamu, and Kinya Sakanishi. "Liquefaction of Victorian Brown Coal." In Advances in the Science of Victorian Brown Coal, 401–57. Elsevier, 2004. http://dx.doi.org/10.1016/b978-008044269-3/50009-1.

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Verheyen, T. V., and G. J. Perry. "CHEMICAL STRUCTURE OF VICTORIAN BROWN COAL." In The Science of Victorian Brown Coal, 279–321. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-7506-0420-8.50011-7.

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Allardice, D. J. "THE WATER IN BROWN COAL." In The Science of Victorian Brown Coal, 103–50. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-7506-0420-8.50008-7.

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Brockway, DJ, and R. S. Higgins. "BROWN COAL SAMPLING, ANALYSIS AND COMPOSITION." In The Science of Victorian Brown Coal, 247–78. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-7506-0420-8.50010-5.

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Hayashi, Jun-ichiro, and Chun-Zhu Li. "Structure and Properties of Victorian Brown Coal." In Advances in the Science of Victorian Brown Coal, 11–84. Elsevier, 2004. http://dx.doi.org/10.1016/b978-008044269-3/50003-0.

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Gloe, Clous S. "COMPARISON OF VICTORIAN BROWN COALS AND OTHER AUSTRALIAN DEPOSITS WITH MAJOR OVERSEAS BROWN COAL/LIGNITE DEPOSITS." In The Science of Victorian Brown Coal, 703–37. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-7506-0420-8.50018-x.

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Woskoboenko, F., W. O. Stacy, and D. Raisbeck. "PHYSICAL STRUCTURE AND PROPERTIES OF BROWN COAL." In The Science of Victorian Brown Coal, 151–246. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-7506-0420-8.50009-9.

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"Front Matter." In The Science of Victorian Brown Coal, iii. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-7506-0420-8.50001-4.

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Conference papers on the topic "Victorian Brown Coal"

1

Landers, Matt, James Faithful, and Antonia Scrase. "Pit lake water quality closure tool for Hazelwood brown coal mine, Victoria, Australia." In Mine Closure 2022: 15th Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2022. http://dx.doi.org/10.36487/acg_repo/2215_28.

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