[REQUEST] ASCE Journal/Proceedings

[apocalipse]

Dear members,

I am looking for the following papers:

Design Rules of Built‐Up Members in Load and Resistance Factor Design

Authors:
Lian Duan and Wai‐Fah Chen

Abstract:
The AISC‐LRFD (American Institute of Steel Construction‐Load and Resistance Factor Design Specification for Structural Steel Buildings) Specification provides rules for design of built‐up members. The slenderness ratios of built‐up members that may buckle out‐of‐plane, say, about the Y‐Y axis for a two‐back‐toback‐angle member are discussed. Based on the LRFD equation (E4‐1) and the usual concept of the effective length factor, a modification of the slenderness ratios (Kl/r)m for built‐up members as given in the present LRFD Specification is proposed. The proposed formula with local effective length factor Km is concise, simple, and physically clear. It is consistent with the effective length factor recommended by the LRFD Specification, and has only one equation considering the effects of shear and connectors on buckling of built‐up members. The calculated results of the proposed formula are found to be in good agreement with available test results.

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Cyclic Out‐of‐Plane Buckling of Double‐Angle Bracing

Author:
Abolhassan Astaneh‐Asl, A. M. ; Subhash C. Goel; and Robert D. Hanson,

Abstract:
The behavior of double‐angle bracing members subjected to out‐of plane buckling due to severe cyclic load reversals is investigated. Nine full‐size test specimens were subjected to severe inelastic axial deformations. Test specimens were subjected to severe inelastic axial deformations. Test specimens were made of back‐to‐back A36 steel angle sections connected to the end gusset plates by fillet welds or high‐strength bolts. Five of the test specimens were designed according to current design procedures and code requirements. These specimens experienced fracture in gusset plates and stitches during early cycles of loading. Based on the observations and analysis of the behavior of these specimens, new design procedures are proposed for improved ductility and energy dissipation capacity of double‐angle bracing members which buckle out of plane of gusset plates. Tests of four specimens, designed using proposed procedures, showed significant improvement in their performances.

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Stitch Spacing and Local Buckling in Seismic‐Resistant Double‐Angle Braces

Author:
Farhang Aslani and Subhash C. Goel,

Abstract:
The behavior of back‐to‐back double‐angle bracing members subjected to out‐of‐plane buckling under severe cyclic load reversals is investigated. Eight full‐size bracing members made of double angles of A36 steel with welded stitches and end gusset plates were tested under large cyclic deformations representative of severe earthquakes. Two types of section configuration were investigated, which included conventional and strengthened back‐to‐back sections. The first specimen was designed according to the current design practice, and the effects of stitch spacing and width‐thickness ratio were studied by changing those parameters in subsequent specimens. The tests showed that early fracture due to severe local buckling of the outstanding legs was the common mode of failure of conventional back‐to‐back angles. Local buckling was so dominant that stitch spacing did not play a major role. Smaller width‐thickness ratio reduced the severity of local buckling, leading to an increase in ductility and energy dissipation capacity. Strengthening of conventional back‐to‐back angles by welding two inclined plates did not improve member response because of asymmetrical buckling.

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regards,
apocalise

[arshiakh]

Design Rules of Built‐Up Members in Load and Resistance Factor Design

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[asim99]

@apocalipse

Here you go,

2- Cyclic Out‐of‐Plane Buckling of Double‐Angle Bracing

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3- Stitch Spacing and Local Buckling in Seismic‐Resistant Double‐Angle Braces

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[devilmaycry]

• Article/eBook Full Name: Disposable Knee Bracing: Improvement in Seismic Design of Steel Frames
  
• Author(s): J. Datio Aristizabal‐Ochoa
  
• Publish Date: 1986
  
• Published By: ASCE
  
• Related Links:
  
  
  Code:

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[asim99]

@devilmaycry

Here you go

Disposable Knee Bracing: Improvement in Seismic Design of Steel Frames

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[mastermind]

Article/eBook Full Name: The Direct Analysis Method: Bridging the Gap from Linear Elastic Analysis to Advanced Analysis in Steel Frame Design


Read More:
Author(s): Surovek, A. and Ziemian, R.

Publish Date: 2005

Published By: ASCE

Related Links:

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[asim99]

@mastermind

Follow the link

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[freequo]

• Article/eBook Full Name: Dilatancy and Shear Strength of Sand at Low Confining Pressures
  
• Author(s): T. Chakraborty and R. Salgado
  
• Edition: 136(3)
  
• Publish Date: 2010
  
• Published By: Journal of Geotechnical and Geoenvironmental Engineering
  
• Related Links:
  
  
  Code:

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• Article/eBook Full Name: Failure and Dilatancy Properties of Sand at Relatively Low Stresses
  
• Author(s): Laurent Lancelot; Isam Shahrour; and Marwan Al Mahmoud
  
• Edition: 132(12)
  
• Publish Date: 2006
  
• Published By: Journal of Engineering Mechanics
  
• Related Links:
  
  
  Code:

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[lisine]

Dilatancy and Shear Strength of Sand at Low Confining Pressures

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Failure and Dilatancy Properties of Sand at Relatively Low Stresses

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[devilmaycry]

• Article/eBook Full Name: Discussion of “Minimum Foundation Mass for Vibration Control”
  
• Author(s): Seyed Ahmad Anvar, and Abbaas Eslami Haghighat
  
• Publish Date: 2012
  
• Related Links:
  
  
  Code:

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• Article/eBook Full Name: Energy Index Method: Technique for Identification of Structural Damages
  
• Author(s): Ashkan Sharifi and Mohammad Reza Banan
  
• Publish Date: 2008
  
• Related Links:
  
  
  Code:

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