Frame, Special Moment

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1100 Broadway

Oakland, CA

Project Contacts: Anindya Dutta, Ronald Hamburger

The 1100 Broadway project combines the adaptive reuse of the Key System Building, which was heavily damaged in the 1989 Loma Prieta earthquake, with the construction of a new twenty-story building. SGH was the structural engineer for the...

Services:Structural Design

Markets:Office

Keywords:New Construction, Demolition, Facadism, Frame Moment, Frame, Special Moment, High Rise, LEED Projects, Pile, Revit/BIM, Tunnel

Tocumen International Airport

Panama City, Panama

Project Contacts: Anindya Dutta, Ronald Hamburger

The new South Terminal Building at Tocumen International Airport is 666 m long, 25 m high, encloses 75,000 m2 of space, and is separated into five zones by seismic joints. Zone 3 is a triangle shaped four-story, reinforced concrete/steel...

Services:Structural Design

Markets:Airport

Keywords:Airport, Frame, Special Moment, International, Long-Span Structure, Nonlinear, Seismic Engineering and Retrofit, Shear Wall

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April 10, 2018

Experimental Evaluation of a Procedure for SMF Continuity Plate and Design

By: Adel Mashayekh, Chia-Ming Uang

Services:Structural Design

Keywords:Fasteners and Connections, Frame, Special Moment

April 4, 2018

Experimental Evaluation of a Procedure for SMF Continuity Plate and Weld Design

By: Adel Mashayekh, Chia-Ming Uang

The AISC Seismic Provisions require that continuity plates in a special moment frame (SMF) welded moment connection be connected to the column flanges by complete-joint-penetration groove welds. Tran et al. (2013) have proposed a design procedure that allows the designer to evaluate the required forces in the continuity plates such that more economical welds (e.g., fillet welds) can be used; the required thickness of the continuity plates also need not be the same as that prescribed in the AISC Seismic Provisions.

Services:Structural Design

Keywords:Frame, Special Moment

June 29, 2010

Steel Special Moment Frames: A Historic Perspective

By: Ronald Hamburger, Scott M. Adan

Many modern buildings use steel special moment frames for their seismic lateral force-resisting system. A moment frame is comprised of a rectangular system of rigidly connected columns and beams that resist moment and shear forces developed...

Services:Structural Design

Keywords:Codes & Standards, Frame, Special Moment, Metal-Steel, Seismic Engineering and Retrofit

December 30, 2009

NEHRP Seismic Design Technical Brief No.2-Seismic Design of Steel Special Moment Frames: A Guide for Practicing Engineers

By: Ronald Hamburger, Scott M. Adan, Helmut Krawinkler, James O'Malley

Abstract: Structural steel special moment frames often are used as part of the seismic force-resisting systems in buildings designed to resist earthquakes with substantial inelastic energy dissipation. They are one of a few select systems that U....

Services:Structural Design

Keywords:Frame, Special Moment, Metal-Steel, Nonlinear, Seismic Analyses

December 30, 2009

Seismic Design of Steel Special Moment Frames: A Guide for Practicing Engineers

By: Ronald Hamburger, H. Krawinkler, J.O. Malley, Scott M. Adan

Structural steel special moment frames often are used as part of the seismic force-resisting systems in buildings designed to resist earthquakes with substantial inelastic energy dissipation. They are one of a few select systems that U.S....

Services:Structural Design

Keywords:Frame, Special Moment, Metal-Steel, Nonlinear, Seismic Analyses

April 29, 2008

Design requirements for prequalified steel moment connections: Their historic development and present-day use

By: Ronald Hamburger, Christopher Hewitt

While engineers in the Western U.S. are likely familiar with the rigorous connection design requirements instituted following the Northridge earthquake, many engineers in the central and eastern U.S. are just becoming familiar with the very...

Services:Structural Design

Keywords:Braced Frame, Codes & Standards, Frame, Special Moment, Seismic Analyses

October 30, 2005

Comparative Seismic Performance of Four Structural Systems and Assessment of Recent AISC BRB Test Requirements

By: Ronald Mayes, Craig Goings, Naguib, Wassim I., Stephen Harris

Abstract: This paper provides a comparison of the maximum inter-story drifts and floor response spectra of both a three and nine story building each with four different steel structural systems – moment frame, buckling restrained braced...

Services:Structural Design, Structural Investigation

Keywords:Base Isolation, Frame, Special Moment, Nonlinear, Seismic Engineering and Retrofit, Seismic Isolation

August 30, 2004

Comparative Performance of Buckling-Restrained Braces and Moment Frames

By: Ronald Mayes, Craig Goings, Naguib, Wassim I., Stephen Harris, Lovejoy, Jennifer, Fanucci, Jerome P., Bystricky, Pavel, Hayes, John R.

Abstract: This paper will provide a comparison of the maximum inter-story drifts and floor response spectra for 3 and 9 story buildings using both steel and aluminum BRBs designed with an R-factor of 7. The buildings had the same dimensions as...

Services:Structural Design

Keywords:Frame, Special Moment, Seismic Analyses

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Frame, Special Moment

Project Term Page Tabs

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1100 Broadway

Tocumen International Airport