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Articles 31 - 43 of 43
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Instrumentation For Slope Stability - Experience From An Urban Area, P N. Flentje, R N. Chowdhury
Instrumentation For Slope Stability - Experience From An Urban Area, P N. Flentje, R N. Chowdhury
Faculty of Engineering and Information Sciences - Papers: Part A
This paper describes the monitoring of several existing landslides in an urban area near Wollongong in the state of New South Wales, Australia. A brief overview of topography and geology is given and reference is made to the types of slope movement, processes and causal factors. Often the slope movements are extremely slow and imperceptible to the eye, and catastrophic failures are quite infrequent. However, cumulative movements at these slower rates do, over time, cause considerable distress to structures and disrupt residential areas and transport routes. Inclinometers and piezometers have been installed at a number of locations and monitoring of …
Consideration Of Probability Assessments Relevant To Hazard And Risk For Landslides, R N. Chowdhury, P N. Flentje
Consideration Of Probability Assessments Relevant To Hazard And Risk For Landslides, R N. Chowdhury, P N. Flentje
Faculty of Engineering and Information Sciences - Papers: Part A
Probability of occurrence is the most important component of landslide hazard and risk and this paper outlines different approaches for its assessment. The reasons for the popularity of qualitative approaches are first outlined. Quantitative approaches can be best applied if the important influencing factors and issues are fully understood. Formal probabilistic approaches are often based on geotechnical models or on a combination of hydrological and geotechnical models. The paper also highlights the situations for which the performance function must be formulated in terms of lateral displacements rather than the conventional safety factor. Reference is then made to a procedure, based …
Quantitative Landslide Hazard Assessment In An Urban Area, Phillip N. Flentje, Robin N. Chowdhury
Quantitative Landslide Hazard Assessment In An Urban Area, Phillip N. Flentje, Robin N. Chowdhury
Faculty of Engineering and Information Sciences - Papers: Part A
Before decisions can be made concerning the management of sloping areas subject to landsliding, systematic approaches for hazard and risk assessment must be developed. This paper is limited to a discussion of hazard assessment and describes quantitative approaches which have been developed for existing landslides. Consideration of areas of potential landsliding is outside the scope of the paper. The approach described here is based on (a) monitoring of subsurface shear movement at instrumented sites and (b) the percentage exceedance time of cumulative rainfalls considering different selected periods of antecedent rainfall. This approach is used in conjunction with a simpler approach, …
Aspects Of Recent Landslide Research At The University Of Wollongong, Robin N. Chowdhury, Phillip N. Flentje, Chit Ko Ko
Aspects Of Recent Landslide Research At The University Of Wollongong, Robin N. Chowdhury, Phillip N. Flentje, Chit Ko Ko
Faculty of Engineering and Information Sciences - Papers: Part A
This paper introduces the issues which are of critical importance to landslide hazard and risk assessment and management. These include understanding of probability and consequence, the separation of the role of site-dependent factors from that of influencing/triggering natural events and the factors influencing target levels of risk. The research completed at the University of Wollongong is then outlined. This includes the development of an observational approach based on monitoring of subsurface movements at individual sites and appropriate use of rainfall data in terms of the concept of annual rainfall percentage exceedance time (ARPET). Attention is then focused on current research …
Geotechnical Assessment And Management Of 148 Landslides Triggered By A Major Storm Event In Wollongong, Australia, P N. Flentje, R N. Chowdhury
Geotechnical Assessment And Management Of 148 Landslides Triggered By A Major Storm Event In Wollongong, Australia, P N. Flentje, R N. Chowdhury
Faculty of Engineering and Information Sciences - Papers: Part A
On the 17th August 1998 a severe rainfall event occurred over a widespread area of the City of Wollongong. During this storm, 1 person drowned and an estimated $50 to $100 million damage was caused to the City of Wollongong. Road access to the City was cut by raised water levels and debris flows covering and or scouring road and rail routes for up to 36 hours following this event. A geotechnical team of 3, including the first author, was organised at very short notice during the response phase of the emergency operations on the early morning of the 20th …
Believing In Equality: The Meanings Attached To ‘Feminism’ In Singapore, Lenore T. Lyons
Believing In Equality: The Meanings Attached To ‘Feminism’ In Singapore, Lenore T. Lyons
Faculty of Arts - Papers (Archive)
There have been a number of attempts in recent years to define the nature and character of ‘Asian feminism’. This article examines the way that Singaporean women who belong to the women’s organisation AWARE (Association of Women for Action and Research) understand the label ‘feminist’, both as a descriptor of their own political practice as well as that of the association. This study shows that for these women, claiming a feminist identity is fraught. Women in AWARE are caught between a public perception of feminism based on a western model, as well as the Singapore state’s own political usage of …
Beyond Technicalities: Expanding Engineering Thinking, Sharon Beder
Beyond Technicalities: Expanding Engineering Thinking, Sharon Beder
Faculty of Arts - Papers (Archive)
Engineering appears to be at a turning point. It is evolving from an occupation that provides employers and clients with competent technical advice to a profession that serves the community in a socially responsible manner. Traditional engineering education caters to the former ideal, whereas increasingly both engineers themselves and their professional societies aspire to the latter. Employers are also requiring more from their engineering employees than technical proficiency. A new educational approach is needed to meet these changing requirements. It is no longer sufficient, nor even practical, to attempt to cram students full of technical knowledge in the hope that …
Optimization Of Soliton Amplitude In Dispersion-Decreasing Nonlinear Optical Fibres, Ken I M Mckinnon, Noel Smyth, Annette L. Worthy
Optimization Of Soliton Amplitude In Dispersion-Decreasing Nonlinear Optical Fibres, Ken I M Mckinnon, Noel Smyth, Annette L. Worthy
Faculty of Engineering and Information Sciences - Papers: Part A
The compression of a cw into a periodic train of noninteracting solitons by a dispersion-decreasing fiber is investigated with a variational method. To model the evolution from the cw to the soliton train, an elliptic-function-based expression is used as the trial function in the averaged Lagrangian. Both a continuous dispersion variation and a step dispersion variation in the fiber are considered. By use of an optimization method based on the approximate variational equations, the optimal dispersion profile required for achieving maximum pulse compression in a fixed length of fiber is determined. The solutions of the approximate equations are compared with …
Strategies For Managing Suicide And Self-Harm In Prisons, Morag Mcarthur, Peter J. Camilleri, Honey Webb
Strategies For Managing Suicide And Self-Harm In Prisons, Morag Mcarthur, Peter J. Camilleri, Honey Webb
Faculty of Social Sciences - Papers (Archive)
Previous research has consistently shown that suicide is the leading cause of death in Australian prisons. This paper provides a summary of current program initiatives and strategies for minimising self harm that are operating in Australian prisons.
Landslide Risk Assessment - Development Of A Hazard Consequence Approach, Chit Ko Ko, Phillip N. Flentje, Robin N. Chowdhury
Landslide Risk Assessment - Development Of A Hazard Consequence Approach, Chit Ko Ko, Phillip N. Flentje, Robin N. Chowdhury
Faculty of Engineering and Information Sciences - Papers: Part A
Several Landslide Hazard and Risk Assessment methods have been developed and used in the State of New South Wales (NSW), Australia. The Rail Services Australia Geotechnical Services and the Roads and Traffic Authority of NSW have each developed Risk Assessment procedures suitable to their own specific needs. A generic risk management methodology is presented in the Australian Standard/New Zealand Standard (AS/NZS) 4360:1995. An approach similar to the (AS/NZS) 4360:1995 Risk Management Standard has been applied by a NSW State Emergency Services geotechnical team (which included one of the writers) to 191 problem sites in the Wollongong Area, following a major …
Network Reconfiguration For Load Balancing In Distribution Networks, Kashem M. Muttaqi, Velappa Ganapathy, G G. Jasmon
Network Reconfiguration For Load Balancing In Distribution Networks, Kashem M. Muttaqi, Velappa Ganapathy, G G. Jasmon
Faculty of Engineering and Information Sciences - Papers: Part A
Network reconfiguration of a power distribution system is an operation to alter the topological structure of distribution feeders by changing opedclosed status of sectionalising and tie switches. By transferring loads from the heavily loaded feeders to the lightly loaded ones, network reconfiguration can balance feeder loads and alleviate overload conditions of a network. The branch load-balancing index and the overall system load-balancing index are used to determine the loading conditions of the system and maximum system loading capacity. The index value has to be minimum in the optimal configuration of load balancing. For optimal load balancing condition the branch load-balancing …
Pseudo-Shock In Supersonic Injection Feeder, Ajit R. Godbole, Peter W. Wypych, Wee King Soh, Brent Matthews
Pseudo-Shock In Supersonic Injection Feeder, Ajit R. Godbole, Peter W. Wypych, Wee King Soh, Brent Matthews
Faculty of Engineering and Information Sciences - Papers: Part B
The flow in a Supersonic Injection Feeder involves relatively thick boundary layers in a narrow channel. When the pressures at the extremities of such a duct are adjusted to produce a compression shock, the shock structure is radically different from a plane discontinuity. This difference arises solely due to shock wave-boundary layer interaction, and gives rise to the so-called "pseudo-shock". In this paper, results of CFD simulations of a pseudo-shock in clean gas (air) are compared with predictions of the "Diffusion" model, the "Modified-Fanno" model and with experimental results. An analysis of the effect of small particles on pseudo-shock structure …
Some Thoughts On Autumn Song, Jon Cockburn
Some Thoughts On Autumn Song, Jon Cockburn
Faculty of Creative Arts - Papers (Archive)
In late 1998, at the Art Gallery of New South Wales and the Roslyn Oxley 9 Gallery, Sydney, Autumn Song, a twenty-three minute video by John Conomos, was shown for the first time. This work explores the theme of ‘threat’ meted out to John Conomos by his parents, when in his childhood he was thought to be indolent. The core of this threat was that Conomos would become a member of the do-nothing culturati, like his geographically distant Uncle Manoli “who never left the Greek island of Kythera” (Conomos “Artists Statement” 2). Yet for John Conomos’ parents, an immigrant family …