Lifecycle environmental impact and cost analyses of steel bridge piers with seismic risk

Lifecycle approaches have found their wide applications in analyzing, evaluating and assessing technologies and management methods in the infrastructure systems. While environmental problems such as global warming have become a serious issue in the world, researchers and practicing engineers in civil engineering have to pay attention to environmental impacts as well as function, safety, cost and aesthetics in the
whole lifecycle of civil infrastructures. In addition to the normal lifecycle activities accompanied with operation and aging, the effects of natural hazards such as earthquakes with a low occurrence probability but a high
hazard loss require a full consideration in determining both lifecycle cost and lifecycle environmental impact. In this research, an approach is proposed to predetermine the lifecycle environmental impact and costs of bridges from their construction and maintenance as well as the losses and recovery after natural hazards. Based on this research, it becomes possible to quantitatively outline the roles of bridge construction, maintenance and earthquake in both environmental impact and cost in the whole lifetime of a bridge, especially their constituent parts from seismic losses and recoveries.

Architectural expression of liturgy and doctrine in the Eastern churches of the fourth to sixth centuries: towards a theologically contextual typology

Many scholars of Byzantine architecture have theorised about the reasons for church form and structure, with most relating them to sources in pagan architecture or local traditional construction methods (Krautheimer, Crowfoot, Ward-Perkins, Mango and Hill); to aspects of provincialism, regional independence or location peripheral to empire (Megaw, Delvoye, Wharton), or to environmental constraints such as frequent earthquakes (Curcic). But just as the wording of the various creeds and ecumenical statements responded to aspects of contemporary non-orthodox beliefs or "heresies", so did the theological debate inform the liturgical practices and consequently church planning. It could be expected that these responses would also be reflected in the architectural approach to form and symbolism. Thus a contextual typological framework is proposed, based on the association of different architectural approaches to church planning and form in the 4th to the 6th centuries with the contemporary doctrinal disputes over the true nature of Christ.

Examination of the "all hazards" approach to disaster management as applied to field disaster management and pre-hospital care in Australia

Disasters, emergencies, incidents, and major incidents - they all come back to the same thing regardless of what they are called. The common denominator is that there is loss of life, injury to people and animals and damage and destruction of property. The management of such events relies on four phases: 1. Prevention 2. Preparation 3. Response 4. Recovery Each of these phases is managed in a different way and often by different teams. Here, concentration has been given to phases 2 and 3, with particular emphasis on phase 3, Response. The words used to describe such events are often related to legislation. The terminology is detailed later. However, whatever the description, whenever prevention is not possible, or fails, then the need is to respond. Response is always better when the responders are prepared. Training is a major part of response preparation and this book is designed to assist those in the health industry who need to be ready when something happens. One of the training packages for responders is the Major Incident Medical Management and Support (MIMMS) Course and this work was designed to supplement the manual prepared by Hodgetts and Macway-Jones(87) in the UK. Included is what the health services responder, who may be sent to an event in which the main concern is trauma, should know. Concentration is on the initial response and does not deal in any detail with hospital reaction, the public health aspects, or the mental health support that provides psychological help to victims and responders, and which are also essential parts of disaster management. People, in times of disaster, have always been quick to offer assistance. It is now well recognised however, that the 'enthusiastic amateur', whilst being a well meaning volunteer, isn't always what is needed. All too often such people have made things worse and have sometimes ended up as victims themselves. There is a place now for volunteers and there probably always will be. The big difference is that these people must be well informed, well trained and well practiced if they are to be effective. Fortunately such people and organisations do exist. Without the work of the St John Ambulance, the State Emergency Service, the Rural Fire Service the Red Cross and the Volunteer Rescue Association, to mention only a few, our response to disasters would be far less effective. There is a strong history of individuals being available to help the community in times of crisis. Mostly these people were volunteers but there has also always been the need for a core of professional support. In the recent past, professional support mechanisms have been developed from lessons learned, particularly to situations that need a rapid and well organised response. As lessons are learned from an analysis of events, philosophy and methods have changed. Our present system is not perfect and perhaps never will be. The need for an 'all-hazards approach' makes detailed planning very difficult and so there will probably always be criticisms about the way an event was handled. Hindsight is a wonderful thing, provided we learn from it. That means that this text is certainly not the 'last word' and revisions as we learn from experience will be inevitable. Because the author works primarily in New South Wales, many of the explanations and examples are specific to that state. In Australia disaster response is a State, rather than a Commonwealth, responsibility and consequently, and inevitably, there are differences in management between the states and territories within Australia. With the influence of Emergency Management Australia, these differences are being reduced. This means that across state and territory boundaries, assistance is common and interstate teams can be deployed and assimilated into the response rapidly, safely, effectively and with minimum explanation. This text sets out to increase the understanding of what is required, what is in place and how the processes of response are managed. By way of introduction and background, examples are given of those situations that have occurred, or could happen. Man Made Disasters has been divided into two distinct sections. Those which are related to structures or transport and those related directly to people. The first section, Chapter 3, includes: • Transport accidents involving land, rail, sea or air vehicles. • Collapse of buildings for reasons other than earthquakes or storms. • Industrial accidents, including the release of hazardous substances and nuclear events. A second section dealing with the consequences of the direct actions of people is separated as Chapter 4, entitled 'People Disasters'. Included are: • Crowd incidents involving sports and entertainment venues. • Terrorism From Chapter 4 on, the emphasis is on the Response phase and deals with organisation and response techniques in detail. Finally there is a section on terminology and abbreviations. An appendix details a typical disaster pack content. War, the greatest of all man made disasters is not considered in this text.

Earthquake fatalities : the interaction of nature and political economy

To say that the level of fatalities resulting from an earthquake is inversely related to a country's per capita level of income is hardly novel. What makes our approach novel is that we relate fatalities to both per capita income and the level of inequality that exists within a country through their joint impact on the likelihood of collective action being taken to mitigate the destructive potential of quakes. We first develop a theoretical model which offers an explanation as to why, in some environments, different segments of society prove incapable of arriving at what all parties perceive to be an agreeable distribution of the burden of the necessary collective action, causing the relatively wealthy simply to self-insure against the disaster while leaving the relatively poor to its mercy. Following this, we test our theoretical model by evaluating 269 large earthquakes occurring worldwide, between 1960 and 2002, taking into account other factors that influence a quake's destructiveness such as its magnitude, depth and proximity to population centers. Using a Negative Binomial estimation strategy with both random and fixed estimators, we find strong evidence of the theoretical model's predictions. That is, while earthquakes themselves are natural phenomena beyond the reach of humankind, our collective inaction with respect to items like the creation and enforcement of building codes, failure to retrofit structures and to enact quake-sensitive zoning clearly plays a part in determining the actual toll that a given quake takes. And, it is through these and other examples of collective inaction that limited per capita income and inequality couple together with a given quake's natural destructive power in determining the actual fatalities resulting from a quake.

How Differences of Opinion Influence Students’ Capacity to Think Geographically

Currently, the Australian Government is working towards the development and implementation of a national geography curriculum for Australian Schools. A common response to the question of what geography education is based upon is ‘maps’ (Sorenson, 2009). Geography teachers, curriculum designers and educational researchers alike face the battle of broadening the perception of geography education beyond this view (Sorenson, 2009; Maude, 2009; McInerney, Berg, Hutchinson, Maude & Sorenson, 2009). The Shape of the National Curriculum for Geography (Australian Curriculum and Reporting Authority 2011, p8) states that the new curriculum will “develop students’ broader ability to think critically about contemporary events”. This new direction demonstrates a focus in on students’ capacity to ‘think geographically’ (Jackson 2006). This study engages with this new curriculum direction and explores the influence of an approach to group learning pedagogy based around students’ differences of opinion on students’ capacity to think geographically. A sample of 43 Year 9 Geography students participated in a two week learning sequence investigating the impacts of large scale earthquakes.
This paper communicates the findings from a comparative case study analysis of two student group conversations of different group types. According to the results of this study, organising students into groups around their differences of opinion encourages students to engage in and sustain higher levels of geographical thinking.

Twitter tsunami early warning network : a social network analysis of Twitter information flows

In the aftermath of earthquakes, tsunamis, such as the 2011 Great East Japan Tsunami, caused enormous damage around the world. With the extreme disaster events of the past, nations improved disaster preparedness and response through sensors and tsunami early warning systems. Even with system usage, however, governments still need to warn the targeted citizens – who may be anywhere within the vulnerable areas – of predicted tsunami and ordered mass evacuations within a very limited lead time. While social media research is on the rise outside the domain of social networking, very little is written about Twitter use for tsunami early warning. In this research, therefore, we examined the utility of Twitter as a tsunami early warning network, which engages citizens and disaster management agencies in diffusing disaster information. We conducted a social network analysis of Twitter information flows among the central disaster warning agency’s Twitter followers during the 2012 Indonesia Earthquake.

Comparisons of seismic rock slope stability assessments between the Hoek-Brown and Mohr-Coulomb failure criteria

Current investigations have shown that earthquakes can trigger significant damages of equipment, property infrastructure and environment. This is a persistent cause of economic loss for any country, especially for the loss of life. The conventional method for slope stability design is to utilize limit equilibrium method (LEM) in conjunction with the pseudo-static (PS) approach. However, the LEM has a significant drawback which is to determine the slip surface before factor of safety calculation. The numerical upper and lower bound limit analysis method employed in this paper can avoid this limitation. In this study, the presented slope stability evaluations considering earthquake effects based on the finite difference method will be discussed and compared with the results from the numerical limit analysis methods.

Essays on the economics of natural disasters and political institutions

This thesis examines how natural disasters—earthquakes, floods and storms—affect democracy by altering economic outcomes. The results indicate that earthquakes and floods improve the level of democracy, while storms lead to non-democratic transitions, particularly in island countries.

Investigation of seismic effects on disturbed rock slope stability assessments

For general stability analysis of rock slopes, rock mass strength and rock mass disturbance are definitely should be considered. In addition, the impact of earthquakes must be taken into account. In fact, the rock mass strength is very difficult to be assessed which causes the difficulty of analysing rock slope stability. Therefore, an empirical failure criterion, the Hoek-Brown failure criterion, has been proposed. It is one of the most widely accepted approaches to estimate rock mass strength. The rock mass disturbance is important and was found having significant influence on evaluating rock slope stability, especially for rock slope with poor quality rock mass. In the Hoek-Brown failure criterion, the disturbance factor can represent the level of the rock mass disturbance which would provide a reasonable basis for estimating rock mass strength. This research will not only discuss the slope factor of safety, but also consider the influence of the seismic force on rock slope stability assessment using pseudo-static method. In practice, only horizontal seismic coefficient is used. Various magnitudes of the disturbance factor and recommended blasting damage zone thickness are also taken into account. The blasting damage zone thickness considered ranges from 0.5 to 2.5 times of slope height. The research results have potential to be extended and then sets of comprehensive stability charts can be provided for the rock slope stability evaluations. They will be convenient tools for practising engineers. In this study, finite element upper bound and lower bound limit analysis methods are employed. Their applicability has been investigated in some previous studies. The differences between upper bound and lower bound solutions are less than ±10% which would provide reasonable and acceptable range for rock slope stability safety factor estimation.

Sustainable futures for learning in a climate of change: mobile apps, social media, and crisis informatics during emergencies and disasters

Emergencies and disasters are different types of crisis events which can affect students and staff in their on-campus roles and off-campus activities. In such events, mobile technologies, mobile software applications (apps), and mobile social networks are becoming increasingly relied upon to communicate, to swiftly send and received information and images, to deliver learning moments, and to check the safety of colleagues and friends. This paper investigates the intersection of mlearning, mobile social media, mobile apps, and crisis informatics in times of emergencies and disasters, using the recent Gipplsand earthquake in south-eastern Australia as an exemplar. It also discusses proactive preparation for educational resilience during emergencies and disasters.

Post-crisis: rebuilding a company, a reputation, a community

It is well recognised that when an organisation experiences a crisis caused by a natural disaster,publics are less likely to apportion responsibility to that organisation. This contrasts with crisesinvolving events such as product tampering, accidents or management transgressions where thelevel of organisational control is perceived or judged to be greater (Coombs, 2000, p. 86). In 2012,biomedical company Gambro’s manufacturing plant, based in Medolla, a small town of 6000 in theModena region of Italy, was hit by a devastating series of earthquakes. Damage to the plant hadsignificant and immediate impact for employees, customers and other key stakeholders, as operationsceased in the wake of the earthquakes.This chapter will reflect on Gambro’s crisis management response and their crisis communicationstrategies in response to the earthquakes and the ensuing rumours. An analysis ofGambro’s crisis response shows they acted to counteract stakeholder concerns and leveragewell-established stakeholder relationships. As Coombs (2000, 2006, 2007a, 2007b) makes clear,relationships are central to effective crisis management, and, although stakeholders often view anatural disaster as being removed from the organisation’s responsibility, this concession may not exist in a prolonged recovery period or where the stakeholders face a life or death outcome. Thesewere the very conditions Gambro faced. So, a relational approach can add depth to the attributionalanalysis of such a crisis (Coombs 2000, p. 86). To extend the analysis of crises caused bynatural disaster and Gambro’s crisis response, the chapter will also examine crisis communicationstrategies of similar disaster case studies.The international medical-technical company Gambro, headquartered in Sweden, has 13 productionfacilities in more than 90 countries, and employs more than 8000 people worldwide. Gambrohas operated in the Medolla region of Emilia-Romagna since the early 1960s.

Negotiating differences: stimulating creative geographical thinking through critical engagement.

This thesis explored how differences of opinion, associated with student's perspectives about earthquakes; impacts, influenced the level of geographical thinking displayed during group conversation. The findings formulated a Model for Geographical Reasoning which could be used by teachers to support their translation of the concepts and skills outlined in the Australian Curriculum for Geography into their pedagogical decisions.