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Displaying 76 - 100 of 125

Influence of wind tunnel test duration on wind load factors

August 17, 2018
Author(s)
Dat Duthinh, Adam L. Pintar, Emil Simiu
A methodology is presented for calculating the uncertainty associated with the estimation of peak pressure coefficients from wind tunnel test records of various lengths, and how this uncertainty affects design wind effects. Investigation of time series

Using FEMA P695 to Interpret ASCE 41 Seismic Performance of Special Moment Frames

June 25, 2018
Author(s)
Matthew S. Speicher, Jazalyn D. Dukes, Kevin K. Wong
ASCE 41 contains methodologies used by practicing engineers for the assessment of existing buildings and the design of new buildings. The National Institute of Standards and Technology recently completed a study investigating the relationship between ASCE

ASCE/SEI 41 Predicted Performance of Newly Designed BRBFs

January 8, 2017
Author(s)
Matthew Speicher, John Harris
Structural engineers in the United States have turned to performance-based design methodologies for design of new buildings in order to find improved design solutions as compared to those obtained using prescriptive design provisions of current model

Loading Protocols for ASCE 41 Backbone Curves

November 1, 2016
Author(s)
Bruce F. Maison, Matthew Speicher
ASCE 41-13 is an industry standard for seismic evaluation and retrofit of existing buildings. Alternative component modeling and acceptance criteria are based on a backbone curve constructed from an envelope of component hysteresis loops derived via

Net-Zero Energy Residential Building Component Cost Estimates and Comparisons

October 4, 2016
Author(s)
Joshua D. Kneifel, Eric G. O'Rear
Homeowners and builders have increasingly strived to build low energy homes. As building materials, equipment, and methods have improved and renewable energy systems have become commonplace, the goal of net-zero energy homes has become technologically

Movement on Stairs During Building Evacuations

June 8, 2016
Author(s)
Richard D. Peacock, Paul A. Reneke, Erica D. Kuligowski, Robert C. Hagwood
The time that it takes an occupant population to reach safety when descending a stair during building evacuations is typically estimated by measureable engineering variables such as stair geometry, speed, stair density, and pre-observation delay. In turn

Modeling of moment connections for structural fire analyses

January 5, 2016
Author(s)
Mina S. Seif, Therese P. McAllister, Joseph A. Main, William E. Luecke
Performance-based methodologies to evaluate the fire performance of structures are needed to move beyond the prescriptive procedures presently in use, which cannot be used to determine actual structural performance in fire. Analytical methods are needed

Standardization of Smart Grid Customer Interfaces

July 1, 2015
Author(s)
Steven T. Bushby, David G. Holmberg
One of the key concepts of a modernized “smart grid” is to combine modern communication technology with an improved electric grid to enable energy consumers to exchange information with energy suppliers in order to collaboratively manage electricity supply
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