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Author: Yasaman Zeinali
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
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Book Description
The recent increase in the number of earthquakes in Texas has raised concerns about the region's buildings and infrastructure. Due to the historically low natural seismicity in the area, many buildings are built without considering seismic design and detailing specifications, which is causing more concern. This thesis seeks to establish a process for conducting seismic risk assessments and economic loss estimations for the Dallas-Fort Worth (DFW) metropolitan area in Texas. For defined earthquake scenarios in the area, this research examines the level of building damage and related direct economic losses. A loss assessment is conducted for a few scenario earthquakes for the DFW area, and the regional damage and economic losses are estimated. HAZUS fragility curves are used for various types of buildings and seismic design classifications to understand seismic vulnerability of building structures. All of the input data, including the building inventory dataset, seismic hazard and shaking map, fragility curves, and damage assessment equations to estimate economic losses are implemented in the ShakeRisk software, and economic losses are estimated according to this damage assessment framework. The findings show that seismic events of small to moderate magnitude have the potential to cause major economic losses in the DFW area. The findings of the seismic risk assessment will aid decision-makers in predicting and planning for the probable damages and economic losses from potential earthquakes in the area
Author: Yasaman Zeinali
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
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Book Description
The recent increase in the number of earthquakes in Texas has raised concerns about the region's buildings and infrastructure. Due to the historically low natural seismicity in the area, many buildings are built without considering seismic design and detailing specifications, which is causing more concern. This thesis seeks to establish a process for conducting seismic risk assessments and economic loss estimations for the Dallas-Fort Worth (DFW) metropolitan area in Texas. For defined earthquake scenarios in the area, this research examines the level of building damage and related direct economic losses. A loss assessment is conducted for a few scenario earthquakes for the DFW area, and the regional damage and economic losses are estimated. HAZUS fragility curves are used for various types of buildings and seismic design classifications to understand seismic vulnerability of building structures. All of the input data, including the building inventory dataset, seismic hazard and shaking map, fragility curves, and damage assessment equations to estimate economic losses are implemented in the ShakeRisk software, and economic losses are estimated according to this damage assessment framework. The findings show that seismic events of small to moderate magnitude have the potential to cause major economic losses in the DFW area. The findings of the seismic risk assessment will aid decision-makers in predicting and planning for the probable damages and economic losses from potential earthquakes in the area
Author: Sylvester Theodore Algermissen
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 180
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Book Description
Author:
Publisher: National Academies Press
ISBN:
Category : Buildings
Languages : en
Pages : 98
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Book Description
Author: Federal Emergency Agency
Publisher: FEMA
ISBN:
Category :
Languages : en
Pages : 66
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Book Description
Recent earthquakes around the world show a pattern of steadily increasing damages and losses that are due primarily to two factors: (1) significant growth in earthquake-prone urban areas and (2) vulnerability of the older building stock, including buildings constructed within the past 20 years. In the United States, earthquake risk has grown substantially with development while the earthquake hazard has remained relatively constant. Understanding the hazard requires studying earthquake characteristics and locales in which they occur while understanding the risk requires an assessment of the potential damage to the built environment and to the welfare of people - especially in high risk areas. Estimating the varying degree of earthquake risk throughout the United States is useful for informed decision-making on mitigation policies, priorities, strategies, and funding levels in the public and private sectors. For example, potential losses to new buildings may be reduced by applying seismic design codes and using specialized construction techniques. However, decisions to spend money on either of those solutions require evidence of risk. In the absence of a nationally accepted criterion and methodology for comparing seismic risk across regions, a consensus on optimal mitigation approaches has been difficult to reach. While there is a good understanding of high risk areas such as Los Angeles, there is also growing recognition that other regions such as New York City and Boston have a low earthquake hazard but are still at high risk of significant damage and loss. This high risk level reflects the dense concentrations of buildings and infrastructure in these areas constructed without the benefit of modern seismic design provisions. In addition, mitigation policies and practices may not have been adopted because the earthquake risk was not clearly demonstrated and the value of using mitigation measures in reducing that risk may not have been understood. This study highlights the impacts of both high risk and high exposure on losses caused by earthquakes. It is based on loss estimates generated by HAZUS(R)-MH, a geographic information system (GIS)-based earthquake loss estimation tool developed by the Federal Emergency Management Agency (FEMA) in cooperation with the National Institute of Building Sciences (NIBS). The HAZUS tool provides a method for quantifying future earthquake losses. It is national in scope, uniform in application, and comprehensive in its coverage of the built environment.
Author: Committee On Earthquake Engineering Panel on Earthquake Loss Estimation Methodology
Publisher: National Academies Press
ISBN:
Category : Nature
Languages : en
Pages : 247
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Book Description
Author: National Research Council (U.S.). Panel on Earthquake Loss Estimation Methodology
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Book Description
This report provides the general methodology for specialists conducting earthquake loss-estimate studies in seismic risk regions and urban areas throughout the United States. The report deals in general classes of buildings and facilities and is intended for use by state and local governments in raising public awareness and disaster response and mitigation planning. It does not provide loss estimates for any particular geographic area or a specific building. The report will assist officials in estimating deaths and injuries, homelessness, direct repair costs, and damage to transportation, communications, and other "lifelines", including emergency response and care facilities.
Author: National Research Council (U.S.). Panel on Earthquake Loss Estimation Methodology
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 102
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Book Description
Author: United States. Federal Emergency Management Agency
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 0
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Book Description
"HAZUS is designed to produce loss estimates for use by state, regional, and local government in planning for earthquake loss mitigation, emergency preparedness, and response and recovery"--Page v
Author: National Institute of Building Sciences (Washington, D.C.)
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages :
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Book Description
Author: Cliff Frohlich
Publisher: University of Texas Press
ISBN: 0292781865
Category : Nature
Languages : en
Pages : 306
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Book Description
When nature goes haywire in Texas, it isn't usually an earthshaking event. Though droughts, floods, tornadoes, and hail all keep Texans talking about the unpredictable weather, when it comes to earthquakes, most of us think we're on terra firma in this state. But we're wrong! Nearly every year, earthquakes large enough to be felt by the public occur somewhere in Texas. This entertaining, yet authoritative book covers "all you really need to know" about earthquakes in general and in Texas specifically. The authors explain how earthquakes are caused by natural forces or human activities, how they're measured, how they can be predicted, and how citizens and governments should prepare for them. They also thoroughly discuss earthquakes in Texas, looking at the occurrences and assessing the risks region by region and comparing the amount of seismic activity in Texas to other parts of the country and the world. The book concludes with a compendium of over one hundred recorded earthquakes in Texas from 1811 to 2000 that briefly describes the location, timing, and effects of each event.
