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Resilience

Earthquake risk reduction

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Displaying 126 - 150 of 310

Importance of Experimental Loading Protocols in Developing ASCE 41-17 Backbone Curves

June 25, 2018

Author(s)

Bruce F. Maison, Matthew Speicher

ASCE 41 component backbone curves are typically based on envelopes of data from lab tests of specimens subjected to simulated seismic demands. Prior editions of ASCE 41 required loading protocols having fully-reversed cyclic loading at increasing

QUANTIFICATION OF UNCERTAINTIES IN THE RESPONSE OF BEAM-COLUMNS IN STEEL MOMENT FRAMES

June 25, 2018

Author(s)

Siamak Sattar, Jonathan M. Weigand, Kevin K. Wong

Various sources of uncertainties including material, modeling, and loading uncertainties can have a significant influence on prediction of earthquake-induced damage and estimates of the collapse risk of a building obtained through the performance-based

Uncertainties in Small-Displacement-Based Algorithms for Simulating Structural Collapse

June 25, 2018

Author(s)

Kevin K. Wong

Can small-displacement-based structural analysis software packages possibly be used to simulate large displacement responses and structural collapse due to earthquake excitations? This question has been raised by both researchers and practitioners over and

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

Estimating Structural Seismic Retrofit Costs for Federal Buildings

June 14, 2018

Author(s)

Juan F. Fung, David T. Butry, Siamak Sattar, Steven L. McCabe

In NIST TN 1973 [1], we develop a methodology for estimating seismic retrofit costs. The general approach is to build a predictive model of seismic retrofit costs that (1) captures the essential factors that drive costs, such as building construction type

Collapse Prevention Seismic Performance Assessment of New Buckling-Restrained Braced Frames using ASCE 41

June 1, 2018

Author(s)

Matthew S. Speicher, John L. Harris

This paper presents the results of a seismic performance assessment using ASCE 41-06 for six buckling-restrained braced frames (BRBFs) designed in accordance with the 2012 International Building Code. The correlation between ASCE 7-10 and ASCE 41-06 is

Development and validation of European guidelines for seismic qualification of post-installed anchors

October 1, 2017

Author(s)

Philipp Mahrenholtz, Richard Wood, Rolf Eligehausen, Tara C. Hutchinson, Matthew Hoehler

This paper presents the technical background for seismic qualification procedures for post installed anchors in the European Technical Approval Guideline (ETAG 001) seismic annex issued in 2013. We discuss requirements for a comprehensive guideline and

A Methodology for Estimating Seismic Retrofit Costs

September 28, 2017

Author(s)

Juan F. Fung, David T. Butry, Siamak Sattar, Steven L. McCabe

Presidential Executive Order 13717 (EO 13717), Establishing a Federal Earthquake Risk Management Standard, encourages federal agencies to enhance resilience...[to] future earthquakes by evaluating and retrofitting existing federal buildings based on

Probabilistic seismic and tsunami hazard analysis (PSTHA) conditioned on a mega-thrust rupture of the Cascadia Subduction Zone

June 15, 2017

Author(s)

Hyoungsu Park, Daniel Cox, Mohammad S. Alam, Andre Barbosa

This paper presents a framework for a probabilistic hazard assessment for the multi-hazard seismic and tsunami phenomena (PSTHA). For this work, we consider a full-rupture event along the Cascadia Subduction Zone and apply the methodology to the study area

Behavior of post-installed anchors tested by stepwise increasing cyclic crack protocols

May 1, 2017

Author(s)

Christoph Mahrenholtz, Rolf Eligehausen, Tara C. Hutchinson, Matthew Hoehler

The American Concrete Institute (ACI) standards for qualification of post-installed concrete anchors (ACI 355.2 and ACI 355.4) include a nonseismic crack movement test characterized by a large number of small-amplitude crack cycles. This paper investigates

Epistemic Uncertainty in Solution Algorithms for Analyzing Geometric Nonlinearity of Framed Structures

April 6, 2017

Author(s)

Kevin K F Wong, Siamak Sattar, Steven McCabe

One important aspect of performance-based earthquake engineering is developing structural models that can accurately capture key characteristics of dynamic responses up to structural collapse. This in turns requires the solution algorithm be capable of

Seismic analysis, design, and installation of nonstructural components and systems - background and recommendations for future work

March 15, 2017

Author(s)

ATC Applied Technology Council

Seismic Design of Cast-in-Place Concrete Diaphragms, Chords, and Collectors: A Guide for Practicing Engineers SECOND EDITION

February 16, 2017

Author(s)

Jack P. Moehle, John D. Hooper, Thomas Meyer