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- 저자 : J. I. Craig (검색결과 3 건)
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L. Duenas-Osorio,박주남,P. Towashiraporn,B. J. Goodno,D. Frost,J. I. Craig,Ann Bostrom 국제구조공학회 2004 Structural Engineering and Mechanics, An Int'l Jou Vol.17 No.3-4
Consequence-Based Engineering (CBE) is a new paradigm proposed by the Mid-AmericaEarthquake Center (MAE) to guide evaluation and rehabilitation of building structures and networks inareas of low probability - high consequence earthquakes such as the central region of the U.S. Theprincipal objective of CBE is to minimize consequences by prescribing appropriate intervention proceduresfor a broad range of structures and systems, in consultation with key decision makers. One possibleintervention option for rehabilitating unreinforced masonry (URM) buildings, widely used for essentialfacilities in Mid-America, is pasive energy disipation (PED). After the CBE process is described, itsapplication in the rehabilitation of vulnerable URM building construction in Mid-America is illustratedthrough the use of PED devices attached to flexible timber floor diaphragms. It is shown that PEDs canbe applied to URM buildings in situations where flor diaphragm flexibility can be controlled to reduceboth out-of-plane and in-plane wall responses and damage. Reductions as high as 48% in rofdisplacement and acceleration can be achieved as demonstrated in studies reported below.
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Dominique A. Cadilhac,Joosup Kim,Geoffrey Cloud,Craig S. Anderson,Emma K. Tod,Sibilah J. Breen,Steven Faux,Timothy Kleinig,Helen Castley,Richard I. Lindley,Sandy Middleton,Bernard Yan,Kelvin Hill,Bret 대한뇌졸중학회 2022 Journal of stroke Vol.24 No.1
Background and Purpose Changes to hospital systems were implemented from March 2020 in Australia in response to the coronavirus disease 2019 pandemic, including decreased resources allocated to stroke units. We investigate changes in the quality of acute care for patients with stroke or transient ischemic attack during the pandemic according to patients’ treatment setting (stroke unit or alternate ward). Methods We conducted a retrospective cohort study of patients admitted with stroke or transient ischemic attack between January 2019 and June 2020 in the Australian Stroke Clinical Registry (AuSCR). The AuSCR monitors patients’ treatment setting, provision of allied health and nursing interventions, prescription of secondary prevention medications, and discharge destination. Weekly trends in the quality of care before and during the pandemic period were assessed using interrupted time series analyses. Results In total, 18,662 patients in 2019 and 8,850 patients in 2020 were included. Overall, 75% were treated in stroke units. Before the pandemic, treatment in a stroke unit was superior to alternate wards for the provision of all evidence-based therapies assessed. During the pandemic period, the proportion of patients receiving a swallow screen or assessment, being discharged to rehabilitation, and being prescribed secondary prevention medications decreased by 0.58% to 1.08% per week in patients treated in other ward settings relative to patients treated in stroke units. This change represented a 9% to 17% increase in the care gap between these treatment settings during the period of the pandemic that was evaluated (16 weeks). Conclusions During the first 6 months of the pandemic, widening care disparities between stroke units and alternate wards have occurred.
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Duenas-Osorio, Leonardo,Park, Joonam,Towashiraporn, Peeranan,Goodno, Barry J.,Frost, David,Craig, James I.,Bostrom, Ann Techno-Press 2004 Structural Engineering and Mechanics, An Int'l Jou Vol.17 No.3
Consequence-Based Engineering (CBE) is a new paradigm proposed by the Mid-America Earthquake Center (MAE) to guide evaluation and rehabilitation of building structures and networks in areas of low probability - high consequence earthquakes such as the central region of the U.S. The principal objective of CBE is to minimize consequences by prescribing appropriate intervention procedures for a broad range of structures and systems, in consultation with key decision makers. One possible intervention option for rehabilitating unreinforced masonry (URM) buildings, widely used for essential facilities in Mid-America, is passive energy dissipation (PED). After the CBE process is described, its application in the rehabilitation of vulnerable URM building construction in Mid-America is illustrated through the use of PED devices attached to flexible timber floor diaphragms. It is shown that PED's can be applied to URM buildings in situations where floor diaphragm flexibility can be controlled to reduce both out-of-plane and in-plane wall responses and damage. Reductions as high as 48% in roof displacement and acceleration can be achieved as demonstrated in studies reported below.
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