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Articles 2249821 - 2249850 of 5161028
Full-Text Articles in Entire DC Network
Design Of Perforated Industrial Storage Rack Columns For Distortional Buckling, Teoman Peköz, Güven Kıymaz, Miquel Casafont, Maria Magdalena Pastor, Jordi Bonada
Design Of Perforated Industrial Storage Rack Columns For Distortional Buckling, Teoman Peköz, Güven Kıymaz, Miquel Casafont, Maria Magdalena Pastor, Jordi Bonada
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The results of an on-going research program to develop a design procedure for perforated industrial storage rack columns are presented. The design procedure includes the effects of distortional buckling. The types of columns studied include those commonly used in Europe and some that are used in the US. The design procedure is being developed based on finite element studies verified by physical testing. The design procedure involves the use of the current US rack column design approach with an extension to distortional buckling with Finite Strip Method (FSM) solutions and Direct Strength Method (DSM) approaches. The approach originally developed for …
Advanced Design Optimization Of Cold-Formed Steel Portal Frame Buildings, Duoc T. Phan, James B. P. Lim, Tiku T. Tanyimboh, Wei Sha
Advanced Design Optimization Of Cold-Formed Steel Portal Frame Buildings, Duoc T. Phan, James B. P. Lim, Tiku T. Tanyimboh, Wei Sha
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The design optimization of cold-formed steel portal frame buildings is considered in this paper. The objective function is based on the cost of the members for the main frame and secondary members (i.e., purlins, girts, and cladding for walls and roofs) per unit area on the plan of the building. A realcoded niching genetic algorithm is used to minimize the cost of the frame and secondary members that are designed on the basis of ultimate limit state. It is shown that the proposed algorithm shows effective and robust capacity in generating the optimal solution, owing to the population’s diversity being …
Using Generalized Beam Theory (Gbt) To Assess The Buckling Behavior Of Cold-Formed Steel Structural Systems, Cilmar Basaglia, Dinar Camotim
Using Generalized Beam Theory (Gbt) To Assess The Buckling Behavior Of Cold-Formed Steel Structural Systems, Cilmar Basaglia, Dinar Camotim
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper deals with the application of beam finite element models based on Generalized Beam Theory (GBT) to analyze the buckling behavior of three cold-formed steel structural systems, namely (i) beams belonging to storage rack systems, (ii) portal frames built from rectangular hollow section (RHS) profiles and (iii) roof-supporting trusses, exhibiting different support conditions and subjected to various loadings. In particular, taking advantage of the GBT unique and structurally clarifying modal features, it is possible to assess how different geometries and/or bracing arrangements affect (improve) the local, distortional and/or global buckling behavior of the above structural systems. The accuracy of …
Investigation Of Behavior Of Cold-Formed Steel Sheeting Systems In Fire Using Finite Element Modeling, W. Lu, P. Mäkeläinen, J. Outinen, Z. Ma
Investigation Of Behavior Of Cold-Formed Steel Sheeting Systems In Fire Using Finite Element Modeling, W. Lu, P. Mäkeläinen, J. Outinen, Z. Ma
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
A 3D Finite Element (FE) model of steel sheeting, which includes the screw connector and support plate, is created to investigate the behavior of both steel sheeting and connections at elevated temperatures. The created model considers the material nonlinearity, large deformation and contact behavior. The material damage model for sheeting steel is defined so that the FE model is analyzed through the elastic and plastic ranges up to failure. The FE model is used to predict the ultimate resistance and deformation. The current FE model captures the main behavior of steel roof systems well up to around 20 minutes according …
Active Shear Planes In Block Shear Failure Of Bolted Connections, Drew D. A. Clements, Lip H. Teh
Active Shear Planes In Block Shear Failure Of Bolted Connections, Drew D. A. Clements, Lip H. Teh
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
In the AISI Specification for the Design of Cold-formed Steel Structural Members 2007, there are two types of shear planes used to determine the resistance of a bolted connection to block shear failure. When the block shear failure occurs by shear yielding and tensile rupture, the shear failure plane is taken to be the gross shear plane. Conversely, when the block shear failure is deemed to occur by simultaneous shear and tensile ruptures, the shear failure plane is assumed to be the net shear plane. Such an approach is not logical since the shear failure planes should be unique irrespective …
In-Plane Shear Lag Of Bolted Connections, Lip H. Teh, Benoit P. Gilbert
In-Plane Shear Lag Of Bolted Connections, Lip H. Teh, Benoit P. Gilbert
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper points out that the shear lag factors embedded in the design equations specified in the North American, European and Australasian cold-formed steel structures codes for determining the net section tension capacity of bolted connections in flat steel sheets either yield “anomalous” results or become irrelevant when they exceed unity. The anomaly is demonstrated through laboratory tests and is explained using simple calculus. A proper mathematical expression for the in-plane shear lag factor, which does not suffer from the anomaly of the code equations and never implies shear lag factors greater than unity for any configuration, is presented and …
Prediction Of Joint Temperatures In Shot-Nailed Cold-Formed Steel Sheeting With Finite Element Modelling, Z. Ma, W. Lu, P. Mäkeläinen, J. Outinen
Prediction Of Joint Temperatures In Shot-Nailed Cold-Formed Steel Sheeting With Finite Element Modelling, Z. Ma, W. Lu, P. Mäkeläinen, J. Outinen
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper investigates the 3D temperature fields of the shot-nailed steel roof sheeting joints in fire using commercial Finite Element (FE) software ABAQUS when the connected members and connections are protected by either intumescent paint or rockwool panels. Numerical models and parameters used in the models are briefly introduced. When expanded in fire, both thickness and thermal conductivity are varied with increased temperatures. The simplified representation of intumescent paint is described. Parametric analyses are performed in order to investigate the sensitivity of the parameters of thermal contacts. When the joints are protected with rockwool panels, the approximate cavity radiation method …
Modal Identification Of Cold-Formed Steel Members In Shell Finite Element Models, Z. Li, S. Ádány, B. W. Schafer
Modal Identification Of Cold-Formed Steel Members In Shell Finite Element Models, Z. Li, S. Ádány, B. W. Schafer
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper illustrates new capabilities for modal identification of shell Finite Element Method (FEM) models of thin-walled cold-formed steel members. The separation of general deformations into fundamental buckling deformation classes: local, distortional, global, shear, and transverse extension, originated with the constrained Finite Strip Method (cFSM) and is extended here to shell element based FEM analysis. The cFSM base vectors for general end boundary conditions, previously developed by the authors, provide a series of general base functions capable of separating displacements into classes. FEM displacements are identified by minimizing error between the actual FEM displacements and those predicted by the cFSM …
Analytical Model For Cold-Formed Steel Framed Shear Wall With Steel Sheet Sheathing, Noritsugu Yanagi, Cheng Yu
Analytical Model For Cold-Formed Steel Framed Shear Wall With Steel Sheet Sheathing, Noritsugu Yanagi, Cheng Yu
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The cold-formed steel framed shear wall sheathed with steel sheet sheathing (CFS-SSSW) is a code approved lateral force resisting system for light framed construction. The AISI Steel Framing Standards – Lateral Design (AISI S213-07) provides design provisions for CFS-SSSW. The development of the nominal strength of CFS-SSSW in AISI S213 was based on full-scale experiments which were subjected to limitations in both wall configurations and material properties. This paper presents an analytical model – the Effective Strip Model developed for predicting the nominal strength of CFS-SSSWs. The proposed analytical model and supporting design equations are further verified by experimental results. …
Thompson, Ed Porter, 1834-1903 (Sc 2581), Manuscripts & Folklife Archives
Thompson, Ed Porter, 1834-1903 (Sc 2581), Manuscripts & Folklife Archives
Manuscript Collection Finding Aids
Finding aid only for Manuscripts Small Collection 2581. Original typescript of a biographical sketch of Simon Bolivar Buckner, Hart County, Kentucky, by Ed Porter Thompson. The paper details Buckner's early life and military career.
Investor's Pain = Government's Gain, Steven D. Dolvin
Investor's Pain = Government's Gain, Steven D. Dolvin
All Chapters
In the wake of the Crash of 2008, the government stepped in to bail out multiple institutions, including AIG. Following the economic recovery (albeit a moderate one), the government was able to exit its position, netting a $17.7 billion gain. So, while many people opposed the bailout, it actually served as a transfer from investors (generally considered the wealthy) to the government. See article here, LA Times.
Browder, Wilbur Fisk, 1848-1919 (Sc 2580), Manuscripts & Folklife Archives
Browder, Wilbur Fisk, 1848-1919 (Sc 2580), Manuscripts & Folklife Archives
Manuscript Collection Finding Aids
Finding aid only for Manuscripts Small Collection 2580. Original typescript of paper titled “Peace After Pain,” by Wilbur Fisk Browder, Russellville, Kentucky which details the life and death of Colonel John William Caldwell, Logan County, Kentucky.
The Foundations Of Hope In Therapy, John M. Winslade
The Foundations Of Hope In Therapy, John M. Winslade
Special Education, Rehabilitation & Counseling Faculty Publications
Hope is a necessary construct in narrative therapy but we need to be careful how we think about it. It does not lie in the essence of persons. There are not categories of people who are hopeful or hopeless. Rather, hope lies in the stories that we use to make sense of our lives but dominant stories from the world around us sometimes interfere with our access to hopeful stories. Therapy can help us reconnect with these stories, leading to the exercise of personal agency in our own lives. This presentation will explore how to help people do this through …
Mowrey V. Chevron Pipe Line Co. Respondent's Brief Dckt. 39346
Mowrey V. Chevron Pipe Line Co. Respondent's Brief Dckt. 39346
Idaho Supreme Court Records & Briefs, All
No abstract provided.
The Statesman, [Orientation Issue Fall 2012], Stony Brook University
The Statesman, [Orientation Issue Fall 2012], Stony Brook University
Stony Brook Statesman-Sucolian
[Orientation Issue Fall 2012]
Trace Element Soil Contamination At Urban Community Gardens In Washington, Dc, Adam J. Long
Trace Element Soil Contamination At Urban Community Gardens In Washington, Dc, Adam J. Long
Environmental Analysis Program Mellon Student Summer Research Reports
In recent years, urban gardening has become a popular form of environmental, food, and social justice. Urban community gardens such as those in Washington, DC can reduce the environmental footprint of food production, provide access to healthy produce in “food deserts,” and provide other social, educational, and even financial benefits. However, the rising popularity of urban gardening has put many people in close contact with urban soils, which are likely to contain various contaminants due to concentrated human activity over extended periods of time. This study investigates heavy metal soil contaminants found in community gardens located in Washington, DC. 45 …
Blog Post, Clubul Avocatilor, 'Burg Blogs, August 24, 2012, Judithanne Scourfield-Mclauchlan
Blog Post, Clubul Avocatilor, 'Burg Blogs, August 24, 2012, Judithanne Scourfield-Mclauchlan
USF St. Petersburg Campus News and Press Releases
No abstract provided.
Press Release, Bill Hogarth: These Are Exciting Times At Usf St. Petersburg, August 24, 2012, Bill Hogarth
Press Release, Bill Hogarth: These Are Exciting Times At Usf St. Petersburg, August 24, 2012, Bill Hogarth
USF St. Petersburg Campus News and Press Releases
A press release from Interim Regional Chancellor Bill Hogarth of the University of South Florida St. Petersburg on the occasion of the start of the Fall 2012 semester.
Showing Our Bull Pride In A New Way, August 24, 2012, Tom Scherberger
Showing Our Bull Pride In A New Way, August 24, 2012, Tom Scherberger
USF St. Petersburg Campus News and Press Releases
No abstract provided.
State Of The College Of Health Sciences Address, 2012: Sailing Into The Future, Shelley C. Mishoe
State Of The College Of Health Sciences Address, 2012: Sailing Into The Future, Shelley C. Mishoe
Ellmer College of Health Sciences Reports and Documents
PDF of powerpoint presentation for the State of the College of Health Sciences Address on August 20, 2012.
08/24/2012 Obituary Records, Hawaii Obituaries
08/24/2012 Obituary Records, Hawaii Obituaries
Obituaries
List of Obituaries for individuals who passed away on 08/24/2012. Scroll down to see the names and obituary description.
Transitioning From Relational To Nosql: A Case Study, John Mcphillips
Transitioning From Relational To Nosql: A Case Study, John Mcphillips
Regis University Student Publications (comprehensive collection)
Data storage requirements have increased dramatically in recent years due to the explosion in data volumes brought about by the Web 2.0 era. Changing priorities for database system requirements has seen NoSQL databases emerge as an alternative to relational database systems that have dominated this market for over 40 years. Web-enabled, always on applications mean availability of the database system is critically important as any downtime can translate in to unrecoverable financial loss. Cost is also hugely important in this era where credit is difficult to obtain and organizations look to get the maximum from their IT infrastructure from the …
Academic Calendar | School Of Professional Development For 2012, Fall [Extended Session] | Class Schedule, Office Of The Registrar, Stony Brook University
Academic Calendar | School Of Professional Development For 2012, Fall [Extended Session] | Class Schedule, Office Of The Registrar, Stony Brook University
Calendars
No abstract provided.
Student Ambassadors Welcome, John M. Dunn
Student Ambassadors Welcome, John M. Dunn
WMU President John Dunn
No abstract provided.
August 24, 2012: Third Coast Writing Project Highlighted In Nwp Press Release, Department Of English
August 24, 2012: Third Coast Writing Project Highlighted In Nwp Press Release, Department Of English
Gleanings: Department of English Blog Archive
No abstract provided.
Minutes Of The Meeting Regarding Biogas Plant Implementation At Sahuwa Yogurt Kitchen Women’S Group – Updates And Way Forward, Melissa Whaling, Esther Ghati, Maimuna Kanyamala, Nashon Msafiri, Manon Lelievre
Minutes Of The Meeting Regarding Biogas Plant Implementation At Sahuwa Yogurt Kitchen Women’S Group – Updates And Way Forward, Melissa Whaling, Esther Ghati, Maimuna Kanyamala, Nashon Msafiri, Manon Lelievre
Business and Social Enterprise
No abstract provided.
Research News: 2012, No. 1, University Of Mississippi. School Of Pharmacy
Research News: 2012, No. 1, University Of Mississippi. School Of Pharmacy
Research News: Grants and Publications (2000-2014)
Grants, publications, technology transfer, special announcements
Mammalogy Class 2012 Combined Catalogs & Field Notes - Part Ii, Valerie Hovda, Andrea Jackson, Teryn Jensen, Amanda Jones, Schuyler Liphardt, Kevin Mccormick
Mammalogy Class 2012 Combined Catalogs & Field Notes - Part Ii, Valerie Hovda, Andrea Jackson, Teryn Jensen, Amanda Jones, Schuyler Liphardt, Kevin Mccormick
Division of Mammals - Field Notes and Catalogs
No abstract provided.
Mammalogy Class 2012 Catalog, Andrea Jackson
Mammalogy Class 2012 Catalog, Andrea Jackson
Division of Mammals - Field Notes and Catalogs
No abstract provided.
Mammalogy Class 2012 Combined Catalogs & Field Notes - Part Iii, Michael Smith, Rosemary Steinberg, Heather Toman, Amber West, Marie Westorer, Kristin Wright
Mammalogy Class 2012 Combined Catalogs & Field Notes - Part Iii, Michael Smith, Rosemary Steinberg, Heather Toman, Amber West, Marie Westorer, Kristin Wright
Division of Mammals - Field Notes and Catalogs
No abstract provided.