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Articles 3271 - 3300 of 4028

Full-Text Articles in Structural Engineering

Design Models Of Continuous Sandwich Panels, Paavo Hassinen, Lassi Martikainen Oct 1996

Design Models Of Continuous Sandwich Panels, Paavo Hassinen, Lassi Martikainen

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

Static behaviour and failure modes of single-span lightweight sandwich panels are well known in general and several design guidelines and recommendations have been published concerning the determination of the resistance values for the design. At intermediate supports continuous sandwich panels are loaded by high bending moments and transverse support reactions simultaneously, which leads to nonlinear interactions between the stresses caused by the bending moment arid support reaction. The interaction failure modes have not been introduced on acceptable level in the current recommendations. The paper presents experimental and analytical results concerning the static behaviour and strength of the intermediate support area …


Stability Of Standing Seam Roof - Purlin Systems, James M. Fisher, Joe N. Nunnery Oct 1996

Stability Of Standing Seam Roof - Purlin Systems, James M. Fisher, Joe N. Nunnery

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

Presented in this paper are the design considerations of purlins which support standing seam roofs. To properly design purlins attached to standing seam roofs the AISI Base Test must be conducted. The AISI anchorage equations can be used for standing seam systems provided that it can be shown that the standing seam diaphragm system has sufficient stiffness to meet the requirements of the diaphragm as specified in Section D3.2.1 of the AISI Specification. The stiffness of standing seam roofs can be determined from conventional diaphragm tests. The stiffness and strength of the standing seam diaphragm can be enhanced by the …


Ccfss Technical Bulletin August 1996, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 1996

Ccfss Technical Bulletin August 1996, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Technical Bulletins (1993 - 2020)

No abstract provided.


Structural Behavior Of Circular Holes In Web Elements Of Cold-Formed Steel Flexural Members Subjected To Web Crippling For End-One-Flange Loading, Craig Uphoff, Roger A. Laboube, Wei-Wen Yu Aug 1996

Structural Behavior Of Circular Holes In Web Elements Of Cold-Formed Steel Flexural Members Subjected To Web Crippling For End-One-Flange Loading, Craig Uphoff, Roger A. Laboube, Wei-Wen Yu

CCFSS Library (1939 - present)

I. INTRODUCTION A. GENERAL An environmental concern regarding the use of wood being an appropriate construction material has become a contemporary issue. The depletion of forests, caused not only by the building construction industry, but also by natural disasters such as forest fires, has raised many questions about the conservation of the environment. Trees are being replanted in an effort to make up for the loss, but trees take many years to mature. Therefore, in an attempt to improve the environment and the feasibility of building construction, alternative materials for residential construction are being investigated. One material that is being …


Behavior Of Cold-Formed Steel Web Elements With Web Openings Subjected To Web Crippling And A Combination Of Bending And Web Crippling For Interior-One-Flange Loading, Sameer U. Deshmukh, Roger A. Laboube, Wei-Wen Yu Aug 1996

Behavior Of Cold-Formed Steel Web Elements With Web Openings Subjected To Web Crippling And A Combination Of Bending And Web Crippling For Interior-One-Flange Loading, Sameer U. Deshmukh, Roger A. Laboube, Wei-Wen Yu

CCFSS Library (1939 - present)

INTRODUCTION A. GENERAL Conservation is becoming more prevalent in our society as it is a necessity to protect our environment and ensure our future. Recently, this growing environmental awareness has created concerns regarding the use of wood as an appropriate construction material. In addition, economic and safety concerns are pressuring the competitiveness of the wood industry. Timber prices have risen sharply as the result of a supply and demand crisis. Also, the recent devastation to wood structures by storms have led to the adoption of building codes which require engineered residential construction to minimize safety concerns. To improve the feasibility …


Ccfss News August 1996, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 1996

Ccfss News August 1996, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.


Behavior Of Compression Web Members In Cold-Formed Steel Truss Assemblies, Jerome A. Riemann, Roger A. Laboube, Wei-Wen Yu Aug 1996

Behavior Of Compression Web Members In Cold-Formed Steel Truss Assemblies, Jerome A. Riemann, Roger A. Laboube, Wei-Wen Yu

CCFSS Library (1939 - present)

PREFACE To aid in adapting cold-formed steel to the residential market, a research project was initiated in 1993 at the University of Missouri-Rolla. Design issues relating to the use of cold-formed steel members and connections in residential roof truss systems have been the focus of the project. The purpose of this research was to study the behavior of cold-formed steel roof truss systems and to establish appropriate design recommendations. Overall, the research findings were intended to aid the promotion of cold-formed steel as a safe, serviceable, and cost effective alternative in residential construction. The First Summary Report was issued in …


Shear Wall Design Guide, Steel In Residential Construction Advisory Group May 1996

Shear Wall Design Guide, Steel In Residential Construction Advisory Group

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.


Shear Wall Values For Light Weight Steel Framing, Hoang Nguyen, Hall Georgi, Reynaud Serrette Feb 1996

Shear Wall Values For Light Weight Steel Framing, Hoang Nguyen, Hall Georgi, Reynaud Serrette

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

The purpose of this experimental research program was to investigate the behavior of light gauge steel framed shear walls sheathed with plywood, oriented strand board (OSB), and gypsum wallboard (GWB). To accomplish this a total of 48 tests were completed, 42 of which are reported here. Toe overall scope of the program is described in the following section.


Ccfss Technical Bulletin February 1996, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 1996

Ccfss Technical Bulletin February 1996, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Technical Bulletins (1993 - 2020)

No abstract provided.


Ccfss News February 1996, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 1996

Ccfss News February 1996, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.


Seismic Performance Of Confined Sill Plate Connections, Joseph M. Bracci, Rebecca F. Stromatt, David Pollock Jan 1996

Seismic Performance Of Confined Sill Plate Connections, Joseph M. Bracci, Rebecca F. Stromatt, David Pollock

Faculty Publications - Biomedical, Mechanical, and Civil Engineering

In the aftermath of the 1994 Northridge earthquake, extensive field investigations revealed damage in wood frame construction in the form of splitting of the 2 X 4 or 2 X 6 wood sill plates along the line of anchor bolts that typically connect shear walls to the masonry or concrete foundation. Due to the severity of such brittle failures, the city of Los Angeles has recently restricted the use of 2X dimension lumber in sill plates and requires the use of 3X dimension lumber. This paper presents an experimental investigation of the performance of 2X dimension lumber sill plate connections …


Cold-Formed Steel Design Manual, American Iron And Steel Institute Jan 1996

Cold-Formed Steel Design Manual, American Iron And Steel Institute

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.


Shear Wall Values For Light Weight Steel Framing, American Iron And Steel Institute Jan 1996

Shear Wall Values For Light Weight Steel Framing, American Iron And Steel Institute

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.


Design Guide For Cold-Formed Steel Trusses, Steel In Residential Construction Advisory Group Dec 1995

Design Guide For Cold-Formed Steel Trusses, Steel In Residential Construction Advisory Group

CCFSS Library (1939 - present)

No abstract provided.


Strength Of Flexural Members Using Structural Grade 80 Of A653 And Grade E Of A611 Steels, Shaojie Wu, Wei-Wen Yu, Roger A. Laboube Oct 1995

Strength Of Flexural Members Using Structural Grade 80 Of A653 And Grade E Of A611 Steels, Shaojie Wu, Wei-Wen Yu, Roger A. Laboube

CCFSS Library (1939 - present)

This first progress report reviews earlier research on ASTM A653 Structural Grade 80 steel (formerly ASTM A446 Grade E) and similar steels used for cold-formed structural members, and summarizes the results of the tension coupon tests recently carried out at the University of Missouri-Rolla. The review focuses on experimental study and structural performance of members made of such steels, including ultimate strength of structural members as affected by the increases in yield strength of base metal, reduction in ductility of base metal, thickness of base metal, flat width-to-thickness ratio of elements, type of deck profile, and base metal rolling direction. …


Ccfss Technical Bulletin August 1995, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 1995

Ccfss Technical Bulletin August 1995, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Technical Bulletins (1993 - 2020)

No abstract provided.


Ccfss News August 1995, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 1995

Ccfss News August 1995, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.


Design Of Automotive Structural Components Using High Strength Sheet Steels Effect Of Strain Rate On The Structural Strength Of Cold-Formed Steel Hybrid Beams, Chi-Ling Pan, Wei-Wen Yu Jun 1995

Design Of Automotive Structural Components Using High Strength Sheet Steels Effect Of Strain Rate On The Structural Strength Of Cold-Formed Steel Hybrid Beams, Chi-Ling Pan, Wei-Wen Yu

CCFSS Library (1939 - present)

INTRODUCTION In cold-formed steel design, local buckling is one of the major design features because of the use of large width-to-thickness ratios for compression elements. For the purpose of determining the load-carrying capacity of automotive components, the effective width approach has been used. In view of the fact that the design criteria for effective design width included in the AISI Automotive Steel Design Manual 1 are based on the test results for static loading condition, an investigation was conducted at University of Missouri-Rolla from January 1988 through December 1991 to study the validity of these effective design width formulas for …


The Effect Of Flange Restraint On Web Crippling Strength Of Cold-Formed Steel Z- And I-Sections, Darryl E. Cain, Roger A. Laboube, Wei-Wen Yu May 1995

The Effect Of Flange Restraint On Web Crippling Strength Of Cold-Formed Steel Z- And I-Sections, Darryl E. Cain, Roger A. Laboube, Wei-Wen Yu

CCFSS Library (1939 - present)

PREFACE When considering the web crippling strength of a cold-formed steel member, the current edition of the AISI Specification for the Design of Cold-Formed Steel Structural Members does not distinguish between the behavior of a member having its flanges attached to a support member, and a member not attached to its support. To enhance the industry and design professional's understanding of web crippling, a study was initiated at the University of Missouri-Rolla to explore the influence of flange attachment. This research consisted of web crippling tests on identical specimens. The specimens were tested where either cross sections were attached to …


Behavior Of Cold-Formed Steel Roof Trusses, Michael M. Harper, Roger A. Laboube, Wei-Wen Yu May 1995

Behavior Of Cold-Formed Steel Roof Trusses, Michael M. Harper, Roger A. Laboube, Wei-Wen Yu

CCFSS Library (1939 - present)

PREFACE To aid in adapting cold-formed steel to the residential market, a research project was initiated in 1993 at the University of Missouri-Rolla. Design issues relating to the use of cold-formed steel members and connections in residential roof truss systems were the focus of the project. The purpose of this research was to study the behavior of cold-formed steel roof truss systems and to establish appropriate design recommendations. Overall, the research findings were intended to aid the promotion of cold-formed steel as a safe, serviceable, and cost effective alternative in residential construction. The project consisted of a review of available …


Interaction Buckling Of Flange, Edge Stiffener And Web Of C-Sections In Bending, Colin A. Rogers, R. M. Schuster Apr 1995

Interaction Buckling Of Flange, Edge Stiffener And Web Of C-Sections In Bending, Colin A. Rogers, R. M. Schuster

CCFSS Library (1939 - present)

No abstract provided.


Ccfss Technical Bulletin February 1995, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 1995

Ccfss Technical Bulletin February 1995, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Technical Bulletins (1993 - 2020)

No abstract provided.


Ccfss News February 1995, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 1995

Ccfss News February 1995, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.


Metal Stud Manufacturer's Association Catalog, Metal Stud Manufacturer's Association Feb 1995

Metal Stud Manufacturer's Association Catalog, Metal Stud Manufacturer's Association

CCFSS Library (1939 - present)

No abstract provided.


Ultrasonic Detection Of A Plastic Hinge In Bolted Timber Connections, David Pollock, Donald A. Bender, Don E. Bray, James T P Yao Jan 1995

Ultrasonic Detection Of A Plastic Hinge In Bolted Timber Connections, David Pollock, Donald A. Bender, Don E. Bray, James T P Yao

Faculty Publications - Biomedical, Mechanical, and Civil Engineering

Connections between structural members are critical elements that typically govern the performance of structural systems; hence, techniques for monitoring the condition of connections are needed to provide early warning of structural damage. Plastic hinge formation in fasteners frequently occurs in timber connections when the yield capacity is exceeded. An innovative pulse echo testing technique was developed for detecting the formation of a plastic hinge in bolted timber connections and estimating the associated magnitude of connection displacement. A shift in overall signal centroid proved to be the best flTedictor of plastic hinge formation, with a coefficient of determination (R2) of 0.9. …


Thermal Design Guide For Exterior Walls, Steel In Residential Construction Advisory Group Jan 1995

Thermal Design Guide For Exterior Walls, Steel In Residential Construction Advisory Group

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.


Steel Deck Institute Design Manual For Composite Decks, Form Decks, Roof Decks, And Cellular Deck Floor Systems With Electrical Distribution, Steel Deck Institute Jan 1995

Steel Deck Institute Design Manual For Composite Decks, Form Decks, Roof Decks, And Cellular Deck Floor Systems With Electrical Distribution, Steel Deck Institute

Steel Deck Institute (SDI) Specifications and Manuals (1939 - present)

No abstract provided.


Steel Deck Institute Diaphragm Design Manual Second Edition, Larry D. Luttrell Jan 1995

Steel Deck Institute Diaphragm Design Manual Second Edition, Larry D. Luttrell

Steel Deck Institute (SDI) Specifications and Manuals (1939 - present)

This manual has evolved from the first edition of the Steel Deck Diaphragm Design Manual (DDM01) and is based on research, testing and analysis done at West Virginia University since 1965. That work, sponsored by the Steel Deck Institute and its member companies, is under the direction of Dr. larry D. Luttrell who is the technical advisor to the Steel Deck Institute. The Institute is very grateful to Dr. Luttrell for his un~iring efforts and continued interest in this project.


A Design Procedure For Lipped Channel Flexural Members, Maria E. Moreyra, Teoman Pekoz Oct 1994

A Design Procedure For Lipped Channel Flexural Members, Maria E. Moreyra, Teoman Pekoz

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

This paper is third in a series of three papers describing the research sponsored by the American Iron and Steel Institute. Physical test results described in the first paper combined with the finite element solution parametric studies described in the second paper were used in this paper to develop improved design procedures for edge stiffened elements.