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Buildings & Construction

Structural engineering

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Displaying 151 - 175 of 266

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

STEEL GRAVITY CONNECTIONS SUBJECTED TO LARGE ROTATIONS AND AXIAL LOADS

October 13, 2016
Author(s)
Jonathan M. Weigand, Jeffrey W. Berman
Steel gravity framing systems (SGFSs) rely on connections for system robustness when a column suffers damage that compromises its ability to carry gravity loads. Redistribution of gravity loads through the development of a sustained tensile configuration

Enhanced connections for improved robustness of steel gravity frames

October 12, 2016
Author(s)
Jonathan Weigand, Joseph Main
Potential vulnerabilities to collapse have been identified for steel gravity framing systems with conventional gravity connections subjected to column loss. To address these potential vulnerabilities, a high-fidelity finite element modeling approach is

Guide Brief 1 - Characterize the Population

September 30, 2016
Author(s)
Community Resilience Program NIST
This Guide Brief provides additional rationale and guidance regarding the first part of Step 2 in the Guide, “Characterize social functions and dependencies” which starts with “Characterize the population.” The intended audience is the social dimensions

Guide Brief 2 - Identify Social Institutions

September 30, 2016
Author(s)
Community Resilience Program NIST
This Guide Brief provides additional rationale and guidance regarding Step 2 in the Guide—“Understand the Situation” —for how to “Identify Social Institutions”. The primary intended audience is the social dimensions work group of the collaborative planning

Guide Brief 4 - Determining Anticipated Performance

September 30, 2016
Author(s)
Community Resilience Program NIST
This Guide Brief provides guidance for determining the anticipated performance of building clusters and infrastructure systems when subjected to hazard events. This information is needed to complete the performance goals tables, establish existing system

Guide Brief 4A: Example for Determining Anticipated Performance

September 30, 2016
Author(s)
Community Resilience Program NIST
This Guide Brief provides an example of how to determine the anticipated performance of water and wastewater systems subjected to an earthquake and tsunami event. The methodology used for this can be applied to all infrastructure systems. The example

A SIMPLE METHOD OF ENHANCING THE ROBUSTNESS OF R/C FRAME STRUCTURES

June 1, 2016
Author(s)
Yihai Bao, Hai S. Lew, Fahim Sadek, Joseph A. Main
A simple debonding technique is proposed to reduce or eliminate strain localization in reinforcing bars in the region of wide flexural cracks in RC beams to enhance the resistance of RC buildings to disproportionate collapse (also referred to as
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