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Articles 2701 - 2730 of 4011

Full-Text Articles in Civil and Environmental Engineering

Mbma-Sponsored Cold-Formed Steel Research 50th Anniversary Retrospective, W. Lee Shoemaker Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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 Oct 2006

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.


Report On The Development Of A Cold-Formed Steel Design Course At Kansas State University, V. J. Kircher, Sutton F. Stephens Oct 2006

Report On The Development Of A Cold-Formed Steel Design Course At Kansas State University, V. J. Kircher, Sutton F. Stephens

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Software Development For Cold-Formed Steel Elements, Francisco Javier Granados Nino, William Gustavo Reyes Ortiz Oct 2006

Software Development For Cold-Formed Steel Elements, Francisco Javier Granados Nino, William Gustavo Reyes Ortiz

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Cold-Formed Steel Slip-Track Connection, James R. Gerloff, Peter Huttelmaier, Patrick W. Ford Oct 2006

Cold-Formed Steel Slip-Track Connection, James R. Gerloff, Peter Huttelmaier, Patrick W. Ford

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Design Of Distance Profiles In Walls, N. Albrecht, H. Saal, R. Podleschny Oct 2006

Design Of Distance Profiles In Walls, N. Albrecht, H. Saal, R. Podleschny

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Experimental Capacity Assessment Of Cold-Formed Boxed Stud Wall Systems Used In Australian Residential Construction, Maria Pham, Julie Mills, Yan Zhuge Oct 2006

Experimental Capacity Assessment Of Cold-Formed Boxed Stud Wall Systems Used In Australian Residential Construction, Maria Pham, Julie Mills, Yan Zhuge

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Performance Of Deep Leg L-Headers, Reynaud Serrette, Khanh Chau, Dean Peyton, Bud Waters Oct 2006

Performance Of Deep Leg L-Headers, Reynaud Serrette, Khanh Chau, Dean Peyton, Bud Waters

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Design Of Cold-Formed Web Members With Non-Uniform Cross Sections, Serge Parent, Joseph J. Pote, Kenneth W. Neale Oct 2006

Design Of Cold-Formed Web Members With Non-Uniform Cross Sections, Serge Parent, Joseph J. Pote, Kenneth W. Neale

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Aisi Standards For Cold-Formed Steel Framing, Jay W. Larson Oct 2006

Aisi Standards For Cold-Formed Steel Framing, Jay W. Larson

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


The Strength Of Cfs Floor Assemblies With Clip Angle Bearing Stiffeners, S. R. Fox Oct 2006

The Strength Of Cfs Floor Assemblies With Clip Angle Bearing Stiffeners, S. R. Fox

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Post-Buckling In The Distortional Mode And Buckling Mode Interaction Of Cold-Formed Thin-Walled Sections With Edge Stiffeners, Derrick C. Y. Yap, Gregory J. Hancock Oct 2006

Post-Buckling In The Distortional Mode And Buckling Mode Interaction Of Cold-Formed Thin-Walled Sections With Edge Stiffeners, Derrick C. Y. Yap, Gregory J. Hancock

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Buckling Analysis Of Cold-Formed Steel Members Using Cufsm: Conventional And Constrained Finite Strip Methods, S. Adany Oct 2006

Buckling Analysis Of Cold-Formed Steel Members Using Cufsm: Conventional And Constrained Finite Strip Methods, S. Adany

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Vibration Characteristics And Acceptability Of Cold-Formed Steel Joists, Y. Frank Chen Oct 2006

Vibration Characteristics And Acceptability Of Cold-Formed Steel Joists, Y. Frank Chen

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.


Designing Cold-Formed Steel Using The Direct Strength Method, Benjamin W. Schafer Oct 2006

Designing Cold-Formed Steel Using The Direct Strength Method, Benjamin W. Schafer

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.