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Omid Esmaili Lisa Grant Ludwig Farzin Zareian 《Journal of Earthquake Engineering》2018,22(9):1569-1589
We describe the formulation and application of an integrated general regional seismic loss assessment (RSLA) method for buildings in seismic regions. An efficient method for RSLA is valuable for engineers involved in city planning, risk management, and insurance dealings. In contrast to previously reported methods, the framework presented herein is hazard-based and utilizes a regional rapid seismic hazard deaggregation tool that allows regional assessment to be conducted more efficiently. The proposed technique is implemented as an example to assess general regional seismic loss in Los Angeles County for a ground motion hazard with 10% probability of exceedance in 50 years. 相似文献
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Mapungubwe (AD 1220–1290) is generally regarded as the first urban centre in southern Africa, functioning as the seat of power for an extensive but short-lived polity. More than 80 years of excavations here, and at its nearby predecessor K2 (c. AD 1000–1220), resulted in a substantial assemblage of material remains from elite and commoner contexts. This assemblage includes a large collection of worked bone objects, such as needles, awls, tubes and objects of personal adornment. Of particular interest are the bone arrowheads and link-shafts, of which a significant number of specimens were found complete and intact. Such quantities of well-preserved worked bone objects are unique in the archaeological record of the region. The worked bone assemblages from these two sites provide a rare opportunity to study multiple components of the production process as well as the use context of bone objects. In this paper, we characterise the K2 and Mapungubwe worked bone industries through various morphological, technological, use-trace and contextual approaches and discuss the significance of these aspects in terms of raw material selection and manufacture and archaeological use context. In particular, this study shows the complexity of these worked bone industries over time. 相似文献
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The “shamanism” or “neurpsychological” model proposed by Lewis-Williams and colleagues has had a powerful impact on rock art research, and has significantly added to our knowledge of past foragers lifeways in southern Africa and elsewhere in the world. However, this model is primarily based on the view of shamanism as a universal and unvarying characteristic of foragers over space and time. This paper raises both theoretical and empirical problems with this view. The paper examines the relationship between the specific social roles and practices of shamanism and the overarching cosmological structures on which they are based in both southern Africa and Northern Eurasia. In both cases, the paper argues that many cosmological beliefs are highly persistent and durable, extending into prehistory, while the specific practices and roles of shamans are variable, changing to meet the immediate and local needs of their communities. This suggests that rock art is easier to relate to the overarching cosmological dispositions of the people that produced it and the paper closes by suggesting some theoretical and methodological alternatives recognizing this fact. 相似文献
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Thomas Grant 《Children's Geographies》2017,15(3):289-303
In this paper, I explore how working-class young people in Leicester hope and plan for their futures as they consider the possibility of attending university. I respond to Pimlott-Wilson’s [2011. “The Role of Familial Habitus in Shaping Children’s Views of Their Future Employment.” Children’s Geographies 9 (1): 111–118] call for further research to investigate how individual dispositions and habitus affect how young people hope and aspire towards the future. I do this in three ways. First, I empirically test Webb’s [2007. “Modes of Hoping.” History of the Human Sciences 20 (3): 65–83] hope theory to understand how aspirations are formed on an individual and societal level. In doing so, I critically question what is understood by the term ‘aspiration’. This allows me to question what it means for young people to ‘raise aspirations’ towards university. Second, I explore how a spatial analysis can contribute towards an understanding of how habitus, hope and aspirations interlock to shape young people’s futures. Third, I argue that hope can be regarded as a form of capital which in turn influences habitus. 相似文献
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This paper examines how a group of Hong Kong working mothers use the internet in performing and realizing their paid work and domestic role identities. The internet is a technology-enabled space and also what Michel de Certeau calls a ‘practiced place’, where its nature and functions are necessarily determined by the actions and practices of agents. Through participant observation and the analysis of a sample of chatroom and forum messages from a user-driven Hong Kong-based parenting website called Happy Land, I examine the relationship between this virtual space and its users. I find that the website has developed beyond its technology-mediated nature into a community of face-to-face friendships and social and emotional support. In effect, this virtual space plays a role in the social reproduction of the contemporary dual-earner family by enabling working mothers who use the website to perform roles in production and reproduction respectively. 相似文献
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