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Performance-based framework for soil-structure systems using simplified rocking foundation models
Smith-Pardo, J. Paul Techno-Press 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.40 No.6
Results from nonlinear time-history analyses of wall-frame structural models indicate that the condition of vulnerable foundations -for which uplifting and reaching the bearing capacity of the supporting soil can occur before yielding at the base of the shear walls- may not be necessarily detrimental to the drift response of buildings under strong ground motions. Analyses also show that a soil-foundation system can inherently have deformation capacity well in excess of the demand and thus act as a source of energy dissipation that protects the structural integrity of the shear walls.
Colonial Legacies and Territorial Claims
Paul R. Hensel,HeeMin Kim,Dale Smith 한국국제정치학회 2008 한국국제정치학회 학술대회 발표논문집 Vol.- No.-
Most of today's nation-states experienced colonial rule at some point during the last two centuries, with well-studied economic, political, and social consequences after decolonization. This study examines a different form of the colonial legacy, involving the stability of the territorial status quo. We lay out a number of different forms that colonial legacies might take with respect to territorial claims, focusing both on relations between two former colonies and on relations between a former colony and its former colonial ruler. We then present and test hypotheses about the impact of these legacies on territorial claims. Our preliminary results show strong evidence that colonial legacies affect territorial conflict after independence, with conflict more likely after violent decolonization and in relations between former colonies of the same colonizer, although more detailed followup research is called for. Paper presented at the conference "National Territory and Sovereignty: Sixty Years Since the Founding of the Nation," Seoul, August 2008. This paper is based on original research by Paul R. Hensel, Michael E. Allison, and Ahmed Khanani. This research was supported by a 2008-2009 grant from the Northeast Asian History Foundation, although the authors retain full responsibility for all content herein; this paper's analyses and conclusions may not necessarily represent the views of the Foundation, the conference organizers, or any other organization.
Performance-based framework for soil-structure systems using simplified rocking foundation models
J. Paul Smith-Pardo 국제구조공학회 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.40 No.6
Results from nonlinear time-history analyses of wall-frame structural models indicate that the condition of vulnerable foundations -for which uplifting and reaching the bearing capacity of the supporting soil can occur before yielding at the base of the shear walls- may not be necessarily detrimental to the drift response of buildings under strong ground motions. Analyses also show that a soilfoundation system can inherently have deformation capacity well in excess of the demand and thus act as a source of energy dissipation that protects the structural integrity of the shear walls.
Evaluation of ASCE 61-14 NSPs for the estimation of seismic demands in marginal wharves
J. Paul Smith-Pardo,Juan C. Reyes,Juan D. Sandoval,Wael M. Hassan 국제구조공학회 2019 Structural Engineering and Mechanics, An Int'l Jou Vol.69 No.1
The Standard ASCE 61-14 proposes the Substitute Structure Method (SSM) as a Nonlinear Static Procedure (NSP) to estimate nonlinear displacement demands at the center of mass of piers or wharves under seismic actions. To account for bidirectional earthquake excitation according to the Standard, results from independent pushover analyses in each orthogonal direction should be combined using either a 100/30 directional approach or a procedure referred to as the Dynamic Magnification Factor, DMF. The main purpose of this paper is to present an evaluation of these NSPs in relation to four wharf model structures on soil conditions ranging from soft to medium dense clay. Results from nonlinear static analyses were compared against benchmark values of relevant Engineering Design Parameters, EDPs. The latter are defined as the geometric mean demands that are obtained from nonlinear dynamic analyses using a set of 30 two-component ground motion records. It was found that SSM provides close estimates of the benchmark displacement demands at the center of mass of the wharf structures. Furthermore, for the most critical pile connection at a landside corner of the wharf the 100/30 and DMF approaches produced displacement, curvature, and force demands that were reasonably comparable to corresponding benchmark values.
Apalutamide Treatment and Metastasis-free Survival in Prostate Cancer
Smith, Matthew R.,Saad, Fred,Chowdhury, Simon,Oudard, Sté,phane,Hadaschik, Boris A.,Graff, Julie N.,Olmos, David,Mainwaring, Paul N.,Lee, Ji Youl,Uemura, Hiroji,Lopez-Gitlitz, Angela,Trudel, G&e New England Journal of Medicine 2018 The New England journal of medicine Vol.378 No.15
<P>Among men with nonmetastatic castration-resistant prostate cancer, metastasis-free survival and time to symptomatic progression were significantly longer with apalutamide than with placebo.</P>
Current situation and future prospects for global beef production: overview of special issue
Smith, Stephen B.,Gotoh, Takafumi,Greenwood, Paul L. Asian Australasian Association of Animal Productio 2018 Animal Bioscience Vol.31 No.7
The demand for beef as a protein source is increasing worldwide, although in most countries beef accounts for considerably less than half of total meat consumption. Beef also provides a highly desirable eating experience in developed countries and, increasingly, in developing countries. The sustainability of beef production has different meanings in the various geographical and socio-economic regions of the world. Natural resources including land mass and uses, rainfall and access to livestock feed, and the robustness of the economy are major determinants of the perception of beef sustainability. In this overview of the 2016 International Symposium on "Future Beef in Asia" and this subsequent Special Edition of the Asian-Australasian Journal of Animal Sciences on "Current Situation and Future Prospects for Global Beef Production", the contributions have been grouped into the following categories: Countries in Southeast Asia; Europe; and Countries producing highly marbled beef for export and/or domestic consumption. They also include reference to Special Topics including marbled beef production, and use of "omics" technologies to enhance beef quality assurance. Among these broad categories, notable differences exist across countries in the production and marketing of beef. These reflect differences in factors including natural resource availability and climate, population size, traditional culture and degree of economic development including industrial and technological developments. We trust that the International Symposium and this Special Edition on Current Situation and Future Prospects for Global Beef Production, the contents of which that are briefly summarized in this paper, will serve as a valuable resource for the livestock industries, researchers and students with an interest in enhancing the prospects for sustainable, efficient beef production that satisfies the growing size and complexity of consumer demands and markets for beef.
Some algebras having relations like those for the 4-dimensional Sklyanin algebras
Alexandru Chirvasitu,S. Paul Smith 대한수학회 2023 대한수학회지 Vol.60 No.4
The 4-dimensional Sklyanin algebras are a well-studied 2-parameter family of non-commutative graded algebras, often denoted $A(E,\tau)$, that depend on a quartic elliptic curve $E \subseteq \mathbb{P}^3$ and a translation automorphism $\tau$ of $E$. They are graded algebras generated by four degree-one elements subject to six quadratic relations and in many important ways they behave like the polynomial ring on four indeterminates except that they are not commutative. They can be seen as ``elliptic analogues'' of the enveloping algebra of $\mathfrak{gl}(2,\mathbb{C})$ and the quantized enveloping algebras $U_q(\mathfrak{gl}_2)$. Recently, Cho, Hong, and Lau conjectured that a certain 2-parameter family of algebras arising in their work on homological mirror symmetry consists of 4-dimensional Sklyanin algebras. This paper shows their conjecture is false in the generality they make it. On the positive side, we show their algebras exhibit features that are similar to, and differ from, analogous features of the 4-dimensional Sklyanin algebras in interesting ways. We show that most of the Cho-Hong-Lau algebras determine, and are determined by, the graph of a bijection between two 20-point subsets of the projective space $\mathbb{P}^3$. The paper also examines a 3-parameter family of 4-generator 6-relator algebras admitting presentations analogous to those of the 4-dimensional Sklyanin algebras. This class includes the 4-dimensional Sklyanin algebras and most of the Cho-Hong-Lau algebras.
Zecchini, Tracey-Ann,Wright, Paul-Andrew,Smith, Rodney-John The Korean Society for Biotechnology and Bioengine 2000 Biotechnology and Bioprocess Engineering Vol.5 No.2
A comlementary call line CR2 is curretly used to propagte the Disabled Infectious Single Cycle Herpes Simplex Virus Typee2 (DISC HSV-2) on a small Iaboratory scale upto 15 L. These cultures are initiated by passaging the cells from roller bottle cultures. Whilst this is suitable for the laboratory scale it is totally impractical for use in seeding an industrial manufacturing scaled version of the culture. It is paramount to have a robust system for passaging cells from a small microcarrierier culture system to a larger one by a serial subculturing regime. Here we report on the successes we have had in our laboratory in scaling up out production system for the DISC HSV-2 from small 1-L cultures to a 50-L vessel with the maintenance of the viral productivity. Ease of use, reproducibility and the need to minimise overall production time were factors which were taken into consideration whils developing our procedures. We were aware of the need to keep a production train simple and as short as possible as this was the amall scale study for an envisaged manufacturing process.