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Articles 3301 - 3330 of 7866
Full-Text Articles in Civil and Environmental Engineering
Collapse Assessment Of Degrading Mdof Structures Under Seismic Excitations, Mouchir Chenouda, Ashraf Salah Eldin Ayoub
Collapse Assessment Of Degrading Mdof Structures Under Seismic Excitations, Mouchir Chenouda, Ashraf Salah Eldin Ayoub
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
Seismic code provisions are now adopting performance-Based methodologies, where structures are designed to satisfy multiple performance objectives. Most codes rely on approximate methods to predict the desired seismic demand parameters. Most of these methods are based on simple SDOF models, and do not take into account neither MDOF nor degradation effects, which are major factors influencing structural behavior under earthquake excitations. More importantly, most of these models can not predict collapse explicitly under severe seismic loads. This study presents a newly developed model that incorporates degradation effects into seismic analysis of MDOF structures. a new energy-Based approach is used to …
Design Of Concrete Railing Reinforced With Glass Fiber Reinforced Polymer Bars, Fabio Matta, Antonio Nanni
Design Of Concrete Railing Reinforced With Glass Fiber Reinforced Polymer Bars, Fabio Matta, Antonio Nanni
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
The use of Fiber Reinforced Polymer (FRP) reinforcement is a practical alternative to conventional steel rebars in concrete structures subjected to aggressive environments. the solution is attractive for bridge deck and rail applications, as it eliminates corrosion of the steel reinforcement, which is the major instrument of degradation. Due to the peculiar physical and mechanical characteristics of advanced composite materials, the design philosophy of FRP reinforced concrete (RC) structures differs from that of traditional RC. This paper introduces a systematic approach adopted for the structural and functional design of an open-post bridge railing reinforced with Glass FRP bars (GFRP) as …
Softened Truss Model For Rc Torsional Members Under Combined Action, Gary Greene, Abdeldjelil Belarbi
Softened Truss Model For Rc Torsional Members Under Combined Action, Gary Greene, Abdeldjelil Belarbi
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
No abstract provided.
Steel Deck Institute Diaphragm Design Manual: Third Edition, Larry D. Luttrell
Steel Deck Institute Diaphragm Design Manual: Third Edition, Larry D. Luttrell
American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)
No abstract provided.
Using Coupled Eulerian And Lagrangian Grids To Model Explosive Interactions With Buildings, Braden Lusk, William P. Schonberg, Jason Baird, Robert S. Woodley, Warren Noll
Using Coupled Eulerian And Lagrangian Grids To Model Explosive Interactions With Buildings, Braden Lusk, William P. Schonberg, Jason Baird, Robert S. Woodley, Warren Noll
Mining Engineering Faculty Research & Creative Works
This paper presents the development of a computational model that can be used to study the interactions between structures and detonating explosives contained within them. This model was developed as part of an effort to develop a rubble characterization model for use in AmmoSIM, an agent based urban tactical decision aid (UTDA) software for weapon-target pairing. The rubble pile created following the collapse of a building in a combat situation can significantly impact mission accomplishment, particularly in the area of movement and maneuver. The information provided by AmmoSIM will enable both platoon level and command center staff to make informed …
Testing And Evaluation Of Light Gauge Steel Frame / 9.5 Mm Csp Wood Panel Shear Walls, David Rokas
Testing And Evaluation Of Light Gauge Steel Frame / 9.5 Mm Csp Wood Panel Shear Walls, David Rokas
CCFSS Library (1939 - present)
The use of light gauge steel framing elements sheathed with wood plywood or oriented strand board are becoming more common in the construction of structural shear walls for low-rise platform frame structural systems in Canada. Canadian standards and codes do not currently outline design methods for this type of wall system. Therefore, research at McGill University is underway to help develop design parameters for seismic and wind loading that can be used in conjunction with the 2005 National Building Code of Canada for this type of shear wall system. The research is based on the monotonic and reversed cyclic testing …
Bracing Strength And Stiffness Requirements For Axially Loaded Lipped Cee Studs, Perry S. Green, Thomas Sputo, Viswanath Urala
Bracing Strength And Stiffness Requirements For Axially Loaded Lipped Cee Studs, Perry S. Green, Thomas Sputo, Viswanath Urala
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Shear Rigidity Of Sheathed Walls With Pneumatically Driven Pin Connections, Wimal Suaris, Stuart Werner Baur
Shear Rigidity Of Sheathed Walls With Pneumatically Driven Pin Connections, Wimal Suaris, Stuart Werner Baur
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Strength And Stiffness Of Conventional Bridging Systems For Cold-Formed Cee Studs, Perry S. Green, Thomas Sputo, Viswanath Urala
Strength And Stiffness Of Conventional Bridging Systems For Cold-Formed Cee Studs, Perry S. Green, Thomas Sputo, Viswanath Urala
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
The 2002 Aisi Cold-Formed Steel Design Manual, Richard C. Kaehler, Helen Chen
The 2002 Aisi Cold-Formed Steel Design Manual, Richard C. Kaehler, Helen Chen
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Analysis Of Conventionally Framed Hip Roofs Using Cold-Formed Steel Members, Luke Waldo, Sutton F. Stephens, Roger A. Laboube
Analysis Of Conventionally Framed Hip Roofs Using Cold-Formed Steel Members, Luke Waldo, Sutton F. Stephens, Roger A. Laboube
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Effects Of Hail Damage On The Carrying Capacity Of Standing Seam Profiles, A. Hubner, H. Saal
Effects Of Hail Damage On The Carrying Capacity Of Standing Seam Profiles, A. Hubner, H. Saal
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Impact Of Holes On The Elastic Buckling Of Cold-Formed Steel Columns With Application To The Direct Strength Method, Christopher D. Moen, Benjamin W. Schafer
Impact Of Holes On The Elastic Buckling Of Cold-Formed Steel Columns With Application To The Direct Strength Method, Christopher D. Moen, Benjamin W. Schafer
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Mbma-Sponsored Cold-Formed Steel Research 50th Anniversary Retrospective, W. Lee Shoemaker
Mbma-Sponsored Cold-Formed Steel Research 50th Anniversary Retrospective, W. Lee Shoemaker
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Distortional Buckling Of Cold-Formed Steel Members, Maximiliano Malite, Roberto Martins Goncalves, Jorge Munaiar Neto, Gustavo M. B. Chodraui
Distortional Buckling Of Cold-Formed Steel Members, Maximiliano Malite, Roberto Martins Goncalves, Jorge Munaiar Neto, Gustavo M. B. Chodraui
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Cold-formed steel members are widely employed in steel construction because their structural components are lighter and more economical than traditional hot-rolled ones. Nowadays, the easy availability and accessible cost of high-strength low-alloy steels, weathering steels and zinc-coated steels have led to members with high width/thickness ratios, rendering them even more susceptible to local buckling, which is characterized by a plate buckling and which can also lead to another buckling mode called distortional buckling, affecting mainly members with edge stiffeners (lipped channels and Z-sections, hat, rack, etc.). Hence, current versions of technical codes for cold-formed steel design have warned about the …
Distortional Buckling Tests On Cold-Formed Steel Beams, Cheng Yu, Benjamin W. Schafer
Distortional Buckling Tests On Cold-Formed Steel Beams, Cheng Yu, Benjamin W. Schafer
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Laterally braced cold-formed steel beams generally fail due to local or distortional buckling. When the compression flange is not restrained by attachment to sheathing or paneling, such as in negative bending of continuous members (joist, purlins, etc.), members are prone to distortional failures. However, distortional buckling remains a largely unaddressed problem in the main body of the North American Specification (NAS 2001). Only a limited amount of experimental data on unrestricted distortional buckling in bending is available, therefore a new series of distortional buckling tests was completed. The test details are selected specifically to insure that distortional buckling is free …
Local-Plate And Distortional Post-Buckling Behavior Of Cold-Formed Steel Lipped Channel Columns With Intermediate Stiffeners, Nuno Silvestre, Dinar Camotim
Local-Plate And Distortional Post-Buckling Behavior Of Cold-Formed Steel Lipped Channel Columns With Intermediate Stiffeners, Nuno Silvestre, Dinar Camotim
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper reports the results of an investigation concerning the local-plate and distortional post-buckling behavior of cold-formed steel lipped channel columns with web and flange intermediate stiffeners. They have all been obtained through geometrically non-linear analyses based on a recently developed and implemented Generalized Beam Theory (GBT) formulation that incorporates (i) conventional (shear undeformable), (ii) shear (non-linear warping) and (iii) transverse extension deformation modes. These results, some of which are compared with values yielded by shell finite element analyses performed in the code ABAQUS (mostly for validation purposes), provide the evolution, along a given local-plate or distortional post-buckling equilibrium path, …
Stress Gradient Effect On The Buckling Of Thin Plates, Cheng Yu, Benjamin W. Schafer
Stress Gradient Effect On The Buckling Of Thin Plates, Cheng Yu, Benjamin W. Schafer
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper presents an analytical method to calculate the buckling stress of a rectangular thin plate under nonuniform applied axial stresses. Two cases are considered, buckling of a plate simply supported on all four sides and buckling of a plate simply supported on three sides with one unloaded edge free and the opposite unloaded edge rotationally restrained. These two cases illustrate the influence of stress (moment) gradient on stiffened and unstiffened elements, respectively. The axial stress gradient is equilibrated by shear forces along the supported edges. A Rayleigh-Ritz solution with an assumed deflection function as a combination of a polynomial …
Cold-Formed Steel Frame Shear Wall Applications With Structural Adhesives, Geynaud Serrette, Ioi Lam, Henry Qi, Hugo Hernandez
Cold-Formed Steel Frame Shear Wall Applications With Structural Adhesives, Geynaud Serrette, Ioi Lam, Henry Qi, Hugo Hernandez
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
A Detailed Examination Of Interactive Buckling In Plain Channel Sections, A. Aziz
A Detailed Examination Of Interactive Buckling In Plain Channel Sections, A. Aziz
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Direct Strength Method For Lipped Channel Columns And Beams Affected By Local-Plate/Distortional Interaction, Nuno Silvestre
Direct Strength Method For Lipped Channel Columns And Beams Affected By Local-Plate/Distortional Interaction, Nuno Silvestre
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Lateral Distortional Buckling Behaviour Of A New Cold-Formed Hollow Flange Channel Section, Dhammika Mahaarachchi, Mahen Mahendran, Herm Hofmeyer
Lateral Distortional Buckling Behaviour Of A New Cold-Formed Hollow Flange Channel Section, Dhammika Mahaarachchi, Mahen Mahendran, Herm Hofmeyer
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Section Moment Capacity Of A New Cold-Formed Hollow Flange Channel Section, Mahen Mahendran, Dhammika Mahaarachchi
Section Moment Capacity Of A New Cold-Formed Hollow Flange Channel Section, Mahen Mahendran, Dhammika Mahaarachchi
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
The Strength Of Stiffened Cfs Floor Joist Assemblies With Offset Loading, S. R. Fox
The Strength Of Stiffened Cfs Floor Joist Assemblies With Offset Loading, S. R. Fox
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Component Stiffness Method To Predict Lateral Restraint Forces In End Restraint Single Span Z-Section Supported Roof Systems With One Flange Attached To Sheathing, Michael W. Seek, Thomas M. Murphy
Component Stiffness Method To Predict Lateral Restraint Forces In End Restraint Single Span Z-Section Supported Roof Systems With One Flange Attached To Sheathing, Michael W. Seek, Thomas M. Murphy
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Web Crippling Of Sigma-Shaped Metal Studs In A Wall Assembly, E. A. Sumner
Web Crippling Of Sigma-Shaped Metal Studs In A Wall Assembly, E. A. Sumner
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Single Bolted Tension Member Design - A New Approach, D. M. Fox, R. M. Schuster
Single Bolted Tension Member Design - A New Approach, D. M. Fox, R. M. Schuster
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Investigation Of The Shear Stiffness Of Profiled Steel Sheeting Diaphragms With Only Two Edges Fastened, M. Duerr, H. Saal
Investigation Of The Shear Stiffness Of Profiled Steel Sheeting Diaphragms With Only Two Edges Fastened, M. Duerr, H. Saal
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
An Update On Cold-Formed Steel Framing Standards Development In The United States, Jay W. Larson
An Update On Cold-Formed Steel Framing Standards Development In The United States, Jay W. Larson
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Mechanical Properties Of Cold-Formed Steel At Elevated Temperatures, Ju Chen, Ben Young
Mechanical Properties Of Cold-Formed Steel At Elevated Temperatures, Ju Chen, Ben Young
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.