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Journal of Structural and Construction Engineering 2018年第753期83卷 1647-1654页

作者： Yamashita, Tetsuo Oyobe, Hiroyuki Miyazawa, Ryosuke School of Architecture Kogakuin University Japan Completed Master's Program in Graduate School Kogakuin University Japan

This paper finds and discusses the features of buckling and inelastic response on steel hexagonally latticed plates for cyclic shear deformation. Cyclic tests of four steel latticed plates with various hexagonal shapes were performed. The elastic rigidity, yield strength and strain concentration at hinges specified in the tests, can be evaluated theoretically. The various buckling behavior is explained by introducing the generalized slenderness calculated using FE linear buckling analysis. The shear strain at the onset of out-of-plane buckling is approximated by a similar function of generalized slenderness, which was originally proposed for steel panel dampers. © 2018 Architectural Institute of Japan. All rights reserved.

关键词： Shear deformation

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Outline of experimental study and observation on slide bearings : Study on failure and strength in earthquake response of bearings of steel spatial roofs on RC lower frames (Part 1)

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AIJ Journal of Technology and Design 2015年第49期21卷 1001-1005页

作者： Yamashita, Tetsuo Shiratori, Kazuki School of Architecture Kogakuin Univ Japan Completed Master Course of Architectural Program in Kogakuin Univ Japan

The present study experimentally simulates and analyzes the damage of bearings in steel large roofs that was observed after the 2011 off the Pacific coast of Tohoku Earthquake. In this study, cyclic shear force is given to three models of slide bearings and four models semi-fixed bearings. In the slide bearing tests, mobility is the first interest and in the semi-fixed bearing tests, damage and crush of base mortar are focused and the shear strength is evaluated according to the AIJ recommendation. In the Part1, the overview of the experiment and the behavior of slide bearings is described.

关键词： Mortar

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Cyclic shear tests of steel latticed plates composed of equilateral triangular grids

Journal of Structural and Construction Engineering

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Journal of Structural and Construction Engineering 2013年第694期78卷 2153-2161页

作者： Yamashita, Tetsuo Takeuchi, Ryota Shiratori, Kazuki Sato, Harushige School of Architecture Kogakuin University Japan Completed Architecture Program Graduate School Kogakuin University Japan

The present paper demonstrates and discusses a potential of steel latticed plates to use as seismic walls, through experimental study. Cyclic shear load tests of five steel latticed plates, composed of equilateral triangular grids, were conducted to investigate buckling and post-buckling strength and ductility. Three of five plates yield out-of-plane overall buckling and the rest in-plane member buckling as predicted. The buckling and post-buckling strengths can be approximated using the generalized slenderness calculated by linear buckling analysis and its function for inelastic strength, regardless to the buckling mode. Moreover, these latticed plates show good ductility and energy dissipation capacity But a disadvantage that the buckling deformation is too observable is also exposed.

关键词： Ductility

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Elastic buckling characteristics of single layer latticed shells composed of hexagonal grids

Journal of Structural and Construction Engineering

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Journal of Structural and Construction Engineering 2013年第694期78卷 2143-2151页

作者： Yamashita, Tetsuo Senba, Yuta School of Architecture Kogakuin University Japan Maeda Corporation Japan Completed Architecture Program Graduate School Kogakuin University Japan

The present paper demonstrates and discusses elastic bucking characteristics of single layer latticed shells composed of hexagonal grids. A conventional method to calculate linear buckling loads, based on continuum analogy is found to be also effective like other grid patterns. The bucking mode yields long overall buckling waves and is found to be non-extensional. The range of knockdown factors, the ratios of an elastic buckling load where the analysis considers geometric nonlinear effect to the linear buckling, is also investigated by nonlinear FE analysis. The lowest value is reduced to slightly above 0.5 even without geometric imperfection. The knockdown factor and its reduction due to geometric imperfection are mainly affected by the geometry and slenderness. After all, the range of knockdown factors is found to be above 0.5, based on the elastic nonlinear FE analyses in which the maximum imperfection amplitude is set to 1/500 of the span. The knockdown factors are also compared with the calculations by the reduced stiffness buckling theory.

关键词： Buckling

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Cybernetic Guerrilla Warfare Revisited: From Klein Worms to Relational Circuits

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GREY ROOM 2011年第44期44卷 114-133页

作者： Ryan, Paul Scott, Felicity D. Wasiuta, Mark Paul Ryan is an artist author and teacher. Radical Software published his seminal writings on video and NASA published his Earthscore Notational System. An Associate Professor at the New School he also authored Video Mind Earth Mind (Peter Lang 1993) and The Three Person Solution (Purdue University Press 2009). The Smithsonian Institution has acquired his archives. He is participating in Documenta 13. Felicity D. Scott is director of the program in Critical Curatorial and Conceptual Practices in Architecture (CCCP) at the Graduate School of Architecture Planning and Preservation Columbia University. She is the author of Architecture or Techno-Utopia: Politics After Modernism (MIT Press 2007) and Living Archive 7: Ant Farm (ACTAR 2008). She recently completed the manuscript for a book titled “Cartographies of Drift: Bernard Rudofsky's Encounters with Modernity.” Mark Wasiuta teaches at Columbia University's Graduate School of Architecture Planning and Preservation where he is also Director of Exhibitions and Director of Global Experiments in Art and Architecture. His research is focused on the turn to theories of environment and environmental design in postwar architecture and he is currently working on a history of Los Angeles air its pollution and other contaminants.

The article presents an interview with video artist and art theoretician Paul Ryan. He chronicles the events that led to his working with artist Marshall McLuhan at Fordham University during the 1960s. He discusses his efforts to get the New York State Council on the Arts to increase grant funding for video as an art form in the 1970s. He also comments on his work within the cybernetic art movement.

关键词： VIDEO art -- History CYBERNETIC art

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ZAHA HADID 1950-2016

ARTFORUM INTERNATIONAL

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ARTFORUM INTERNATIONAL 2016年第10期54卷 76-+页

作者： Wigley, Mark Vidler, Anthony Libeskind, Daniel Rabbat, Nasser Tschumi, Bernard Gehry, Frank PROFESSOR AND DEAN EMERITUS AT COLUMBIA UNIVERSITY GRADUATE SCHOOL OF ARCHITECTURE PLANNING AND PRESERVATION DEAN AND PROFESSOR OF THE IRWIN S. CHANIN SCHOOL OF ARCHITECTURE AT THE COOPER UNION NEW YORK FOUNDER OF STUDIO LIBESKIND WHICH HAS COMPLETED MAJOR PROJECTS AROUND THE WORLD INCLUDING THE JEWISH MUSEUM IN BERLIN AND THE MASTER PLAN FOR THE WORLD TRADE CENTER SITE IN NEW YORK AGA KHAN PROFESSOR AND THE DIRECTOR OFTHE AGA KHAN PROGRAM FOR ISLAMIC ARCHITECTURE AT THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY ARCHITECT AND THE FOUNDER OF BERNARD TSCHUMI ARCHITECTS NEW YORK AND PARIS FOUNDER OF GEHRY PARTNERS AN INTERNATIONALLY RECOGNIZED ARCHITECTURE STUDIO BASED IN LOS ANGELES

The article presents an obituary for architect Zaha Hadid.

关键词： WOMEN architects

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NAVY REPAIR SHIP DESIGN - FEASIBILITY DISCUSSION OF NEW REPAIR CONCEPTS AND TECHNOLOGY

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NAVAL ENGINEERS JOURNAL 1978年第4期90卷 51-63页

作者： WILKINS, JR The Authorwas employed by Wheeler Industries Inc. during the summer of 1976. During this time he was involved with feasibility studies for a new Navy Repair Ship to be designated the ARX. In the Spring of 1977 he graduated from the University of Michigan College of Engineering Department of Naval Architecture and Marine Engineering. While at the University he was a Midshipman in the NROTC. He plans to continue his education at the University of Michigan and to receive his Masters degree in Ocean Engineering with immediate commissioning as an officer in the U.S. Navy upon the completion of his graduate program. A recent letter indicates he has completed his studies and is presently residing in Chula Vista Calif.

Feasibility studies hate been conducted for a new surface Repair Ship for the U.S. Navy. Improvements in material handling, management information systems, maintenance facilities, production techniques, platform design, and repair methods, as discussed, will increase the operational efficiency of this new generation of Repair Ships over existing ships. The improvements discussed are suggested by industry, research, engineers, and by men currently on board Fleet Tenders and Repair Ships.

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Reliability analysis of transverse stability of surface ships

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NAVAL ENGINEERS JOURNAL 1997年第3期109卷 129-140页

作者： Atua, K Ayyub, BM Khaled l. Atua:is a graduate student at the Reliability Engi-neering Program at the University of Maryland at College Park. He completed his B.S. degree in naval architecture and marine engineering in 1988 and completed his M.S. degree in naval architecture and marine engineering in 1992 at Alexandtia University. He is also a visiting scholar in the Civil Engineering Department at the University ofMaryland at Colkge Park. He is conducting research with Dc Bilal M. Ayyub in the area of develupment of reliability-based design of ship structures and systems. He is a member ofASNE and SNAME. He has authored or coauthored several papers and reports. Bilal M. Ayyub: Ph.D. RE. is aprofssor of civil engineer-ing at the University of Maryland at College Park. He is also a researcher and consultant in the areas of structural engineering inspection methods and practices reliability and risk analysis. Dc Ayyub completed his B.S. degree in civil engineering in 1980 and completed both his M.S. (1981) and Ph.D. (1983) degrees in civil engineering at the Georgia Institute of Echnol-OD. Dc Ayyub has an extensive background in uncertainty modeling and analysis risk-based analysis and design simula-ion and marine structural reliability. He is engaged in research work involving structural reliability marine structures uncer-tainty modeling and analysis and mathematical modeling using the theories of probability statistics and fuzzy sets. He has completed several research projects that were funded by the National Science Foundation the U S. Coast Guard the U.S. Navy the U.S. Department of Defense the U.S. Army crops of Engineers the Maryland State Highway Administration the American Society ofMechanica1 Engineers and several engi-neering companies. Dc Ayyub served the engineering communio in various capacities through societies that include ASNE ASCE ASME SNAME IEEE-CS and NMIPS. He is a member ofthe ASME Research Committee of Risk Ethnology and the ASME Committee on Human Factors. Currently he is the chai

An introduction to a rational development of transverse stability criteria for surface ships is presented in this paper. The development is based on a probabilistic analysis of the uncertainties associated with the design parameters involved in determining the transverse stability. Reliability methods are used for assessing and determining transverse stability of ships. These reliability methods address the uncertainties associated with the basic design variables that are involved in stability assessment and design. The sources of uncertainty in stability variables are presented, uncertainties associated with these basic random variables are summarized, different reliability assessment methods are described, a case study that shows the computation procedure using some of these methods is discussed for illustration purposes, and finally, conclusions and recommendations for further work in this area are presented.

关键词： Naval vessels

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Operating speed profiles and the ship design cycle

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NAVAL ENGINEERS JOURNAL 2005年第3期117卷 79-85页

作者： Surko, S Osborne, M CDR. Stephen W. Surko USN (ret.) is serving as a principal member of the technical staff of Noesis Inc. He graduated with distinction from the United States Naval Academy in 1982 with a bachelor of science in ocean engineering. Serving as a division officer aboard USS Elliot (DD 967) he enjoyed two WESTPAC deployments and qualified as a surface warfare officer. He completed postgraduate studies at the Massachusetts Institute of Technology in 1988 receiving master of science degrees in naval architecture and marine engineering and mechanical engineering. He earned his professional engineer's license in 1989. Subsequent tours of duty have included: personnel exchange program with Canada's Directorate General Maritime Engineering and Maintenance Philadelphia Naval Shipyard Naval Surface Warfare Center Carderock Division Ship Systems Engineering Station Naval Sea Systems Command Chief of Naval Operations Land Attack Warfare Division and Naval Surface Warfare Center Carderock Division. Steve Surko is an active member of the U.S. Naval Institute and ASNE

One key, but little documented and empirically supported, input in the ship design cycle is the expected operating speed profile. This real-world constraint affects many decisions regarding bull form and power systems, from fuel tanks to main propulsion and ship's service machinery selection and operation. These decisions, in turn, ripple through the design of a ship in ways that are often bard to discern, but clearly impact acquisition and life cycle costs. Recent studies of DDG 51 operating speed profiles demonstrate that the Navy regularly operates with speed profiles considerably different than used to design the ship. In general, warships operate in standard engine order telegraph increments (e.g., Ahead 2/3) and at lower speeds than designed for.

关键词： Ships

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THE APPLICATION OF BOILING WATER REACTORS TO SHIP PROPULSION

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Journal of the American Society for Naval Engineers 1960年第3期72卷 503-508页

作者： MATHIEU, CHARLES E. USCG The author graduated from the Coast Guard Academy in New London Connecticut class of 1953. After three years on ocean weather patrols and one year on LORAN station Wake Island he entered the three year graduate program in Naval Architecture and Marine Engineering at Massachusetts Institute of Technology specializing in the nuclear branch. He completed his studies in June 1960.

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