The Shakeout Scenario Supplemental Study Unreinforced Masonry Urm Buildings
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The Shakeout Scenario Supplemental Study Unreinforced Masonry Urm Buildings
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Author :
language : en
Publisher: SPA Risk LLC
Release Date :
The Shakeout Scenario Supplemental Study Unreinforced Masonry Urm Buildings written by and has been published by SPA Risk LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The Shakeout Scenario Supplemental Study Older Reinforced Concrete Buildings
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Author :
language : en
Publisher: SPA Risk LLC
Release Date :
The Shakeout Scenario Supplemental Study Older Reinforced Concrete Buildings written by and has been published by SPA Risk LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The Shakeout Scenario Supplemental Study Woodframe Buildings
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Author :
language : en
Publisher: SPA Risk LLC
Release Date :
The Shakeout Scenario Supplemental Study Woodframe Buildings written by and has been published by SPA Risk LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The Shakeout Scenario Supplemental Study Hazus Enhancements And Implementation For The Shakeout Scenario
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Author :
language : en
Publisher: SPA Risk LLC
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The Shakeout Scenario Supplemental Study Hazus Enhancements And Implementation For The Shakeout Scenario written by and has been published by SPA Risk LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The Shakeout Scenario
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Author : Lucile M. Jones
language : en
Publisher:
Release Date : 2008
The Shakeout Scenario written by Lucile M. Jones and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Earthquake hazard analysis categories.
Accompanying CD-ROM contains PDF of book.
Seismic Analysis Of Multi Story Unreinforced Masonry Buildings With Flexible Diaphragms
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Author : Juan Aleman Hernandez
language : en
Publisher:
Release Date : 2014
Seismic Analysis Of Multi Story Unreinforced Masonry Buildings With Flexible Diaphragms written by Juan Aleman Hernandez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Studies regarding the regional seismicity of New York City (NYC) indicate that earthquakes of magnitude greater than or equal to 5 have a 20-40% probability of occurring in a 50 year period. Considering that more than 50% of the large population of the region (19.1 million) is living in an area where 80% of the buildings are of old Unreinforced Masonry (URM) construction, it is likely that even a moderate earthquake could have critical consequences on public safety and the economy of this area. The main goal of this study was to develop simulation capabilities supported by experimental testing to evaluate the seismic performance of typical unreinforced masonry buildings with flexible diaphragms located in NYC. Simplified nonlinear macro-models of wood diaphragms, masonry walls and floor-to-wall connections were developed and validated individually using data from past experiments. The models are implemented in both commercial and research software to demonstrate their practical use. In particular, a new approach for modeling flexible diaphragms is proposed that is shown to provide similar accuracy to detailed finite element models at a fraction of the computation cost. The models developed were also validated as at the system level, through shake table testing of two full-scale specimens conducted as part of this study. The specimens were designed and constructed to represent the expected loading conditions of a central portion of a one-story URM building and constructed of materials representative of older masonry construction. The tests provide a unique data set that captures the interaction between flexible floors, out-of-plane walls and their connections at, full scale.The validated macro-models can be used for performance-based seismic assessment of unreinforced masonry building in NYC and elsewhere. To demonstrate their use, preliminary studies were conducted to develop out-of-plane URM fragility curves, a building-specific collapse fragility function, and estimate the seismic response of the building when subjected to a ground shaking intensity similar to the 2011 Virginia Earthquake. The probabilistic framework and new performance definitions provided by the FEMA P58 project were used to conduct a performance-based seismic assessment for an archetype unreinforced masonry building in New York City with an emphasis on out-of-plane behavior. This preliminary study served to demonstrate the applicability of the proposed models for applications in performance-based design.
Characterisation And Seismic Assessment Of Unreinforced Masonry Buildings
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Author : Alistair Peter Russell
language : en
Publisher:
Release Date : 2010
Characterisation And Seismic Assessment Of Unreinforced Masonry Buildings written by Alistair Peter Russell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Brick walls categories.
Dynamic Response Of Urm Buildings With Flexible Diaphragms
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Author : Andrew Christopher Costley
language : en
Publisher:
Release Date : 1995
Dynamic Response Of Urm Buildings With Flexible Diaphragms written by Andrew Christopher Costley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
As seismic awareness increases, especially in traditionally non-seismic regions, there is an ever-increasing need to evaluate the lateral resistance of existing structures. Unreinforced masonry (URM) structures are perceived to be seismically unsafe due to dramatic media coverage of these structures following earthquakes. However, well-built URM structures can possess substantial seismic resistance, although quantifying this strength can be difficult. Through a combination of experimental and analytical investigations, the overall objective of the study is to provide recommendations for the evaluation and rehabilitation of URM buildings. To accomplish this objective, the study was broken down into three primary tasks: (1) an experimental investigation, (2) the development of a simple dynamic model, and (3) a review of current analysis methods. The experimental investigation consisted primarily of the construction and dynamic testing of two, two-story, URM buildings with flexible floor and roof diaphragms on the University of Illinois shaking table. The two buildings were subjected to a total of nine simulated earthquakes. Experimental results indicated that (first-story) pier rocking was a ductile mode of response. Based on experimental results, a simple (3-DOF), nonlinear elastic model was developed. This model, in conjunction with a nonlinear time-step integration program, was used to estimate peak displacements during the rocking portions of the later earthquake simulations. The third task was a review of existing static and dynamic methods for analyzing URM structures. The static methods studied included two design codes, two rehabilitation codes, finite element modeling, and a pushover analysis. Dynamic methods included an elastic time-step integration, response spectra analysis, equivalent frame modeling, and finite element modeling. After a thorough examination of the measured results from the dynamic testing and a comparison between these results with those calculated during the analytical studies, a number of recommendations for the evaluation and rehabilitation of unreinforced masonry buildings with flexible diaphragms were made.
Simulation Of The Recorded Response Of Unreinforced Masonry Urm Infill Buildings
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Author : John C. Kariotis
language : en
Publisher:
Release Date : 1994
Simulation Of The Recorded Response Of Unreinforced Masonry Urm Infill Buildings written by John C. Kariotis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Buildings categories.
Seismic Technology Of Existing Unreinforced Masonry Urm Buildings
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Author : Abdollah Parsa
language : en
Publisher:
Release Date : 1982
Seismic Technology Of Existing Unreinforced Masonry Urm Buildings written by Abdollah Parsa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Buildings categories.