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Predicting The Vulnerability Of Typical Residential Buildings To Hurricane Damage
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Book Synopsis Predicting the Vulnerability of Typical Residential Buildings to Hurricane Damage by : Anne D. Cope
Download or read book Predicting the Vulnerability of Typical Residential Buildings to Hurricane Damage written by Anne D. Cope and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The core of this model is a Monte Carlo Simulation engine that generates damage information for typical Florida homes, using a component approach. The simulation compares deterministic wind loads, and the probabilistic capacity of vulnerable building components to resist these loads, to determine the probability of damage. In this manner, probabilistic structural damage is identified over a range of assigned wind speeds. Monetary loss associated with structural damage and the likelihood of occurrence for discrete wind speeds will be determined by models under development by other groups in the project.
Book Synopsis Predicting the Vulnerability of Typical Commercial and Single Family Residential Buildings to Hurricane Damage by : Johann Everton Weekes
Download or read book Predicting the Vulnerability of Typical Commercial and Single Family Residential Buildings to Hurricane Damage written by Johann Everton Weekes and published by . This book was released on 2014 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hurricane impacts have caused significant damage to residential and commercial structures, producing billions of dollars in insured losses. Numerical models are widely used by insurance companies in the prediction of loss cost. Several such loss projection models have been developed by private industry, and the State of Florida sponsored development of a non-proprietary hurricane loss model, known as the Florida Public Hurricane Loss Model (FPHLM). This model resulted from a multi-university effort to quantify the damages and cost of repairs for structures that have been subjected to hurricane force winds. The original FPHLM focused on single-family residential housing. The model is now extended to cover commercial-residential buildings ranging from multi-story apartments to the high rise condominiums typically found lining the beaches of South Florida. This paper proposal focuses on the development of the exterior vulnerability component of the commercial-residential model, and provides a description of the strategies to probabilistically quantify physical exterior damage for two models: low-rise and mid/high rise commercial-residential structures.
Book Synopsis Interior Damage Prediction in Residential Buildings Due to Hurricane Induced Rain Penetration by : Timothy James Johnson
Download or read book Interior Damage Prediction in Residential Buildings Due to Hurricane Induced Rain Penetration written by Timothy James Johnson and published by . This book was released on 2015 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catastrophe modelers are responsible for estimating and predicting expected physical and monetary building losses under extreme uncertainty. In the case of hurricanes, interior damage might represent the majority of the repair bill so accurate estimates of the interior damage are paramount to a reliable predictive model. Recent studies have shown that wind-driven rain (WDR) is the predominant source of interior related losses even in the absence of visible exterior physical damage. Significant strides have been made in quantifying the external WDR deposition characteristics during hurricane events, and in identifying sources of WDR intrusion through the building envelope. Recent laboratory tests have measured the so-called rain admittance factor (which quantifies the direct impinging rain) and surface runoff coefficients (which quantify the rain surface run-oft) on buildings subjected to hurricane winds and rain. In addition, post-disaster reconnaissance surveys, following hurricanes landfalls in Florida, have shown that soffits are an important source of water penetration, which is not always specifically taken into account in current vulnerability models. Follow-up laboratory tests have measured the amount of the water penetrating through certain types of soffits. These issues of water intrusion are compounded by the fact that a hurricane rotates around any particular building. Therefore the amount of horizontal rain exposure and penetration on any particular facade or component of the building envelope will vary in time as the storm rotates, while the components go from windward to leeward exposure or vice-versa. This dissertation addresses these issues. First, a new vulnerability model for the soffit incorporates experimental data on soffit rain penetration. Second, a new method captures the effect of the storm rotation on the rain deposition and penetration, which is essentially time dependent, into an existing vulnerability model, which simulates both pressure and debris induced envelope breaches but without an explicit time component. Third, a new interior vulnerability model incorporates the new experimental data on building envelope rain deposition and surface runoff. The model succeeds in evaluating the total volume of water penetration though both defects and breaches of the envelope (including soffits), which is then transformed into interior damage. Several implementation strategies were investigated, and the final version was incorporated into version 6.1 of the Florida Public Hurricane Loss Model. This work emphasizes the critical role WDR plays in interior damage as well as provides insights into future mitigation strategies with regard to WDR management.
Book Synopsis A Quantitative Model Forecasting Changes in the Hurricane Vulnerability of Residential Wood-frame Structures in North Carolina by : Huan Zhao
Download or read book A Quantitative Model Forecasting Changes in the Hurricane Vulnerability of Residential Wood-frame Structures in North Carolina written by Huan Zhao and published by . This book was released on 2002 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-hazard Approaches to Civil Infrastructure Engineering by : Paolo Gardoni
Download or read book Multi-hazard Approaches to Civil Infrastructure Engineering written by Paolo Gardoni and published by Springer. This book was released on 2016-06-22 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection focuses on the development of novel approaches to address one of the most pressing challenges of civil engineering, namely the mitigation of natural hazards. Numerous engineering books to date have focused on, and illustrate considerable progress toward, mitigation of individual hazards (earthquakes, wind, and so forth.). The current volume addresses concerns related to overall safety, sustainability and resilience of the built environment when subject to multiple hazards: natural disaster events that are concurrent and either correlated (e.g., wind and surge); uncorrelated (e.g., earthquake and flood); cascading (e.g., fire following earthquake); or uncorrelated and occurring at different times (e.g., wind and earthquake). The authors examine a range of specific topics including methodologies for vulnerability assessment of structures, new techniques to reduce the system demands through control systems; instrumentation, monitoring and condition assessment of structures and foundations; new techniques for repairing structures that have suffered damage during past events, or for structures that have been found in need of strengthening; development of new design provisions that consider multiple hazards, as well as questions from law and the humanities relevant to the management of natural and human-made hazards.
Book Synopsis CFD-Based Probabilistic Framework for Evaluation of Coastal Residential Buildings Under Combined Hurricane Wind and Surge Flood by : Mehrshad Amini
Download or read book CFD-Based Probabilistic Framework for Evaluation of Coastal Residential Buildings Under Combined Hurricane Wind and Surge Flood written by Mehrshad Amini and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal residential buildings are vulnerable to significant damage due to hurricane related hazards such as storm surge, wind loads, and inundation. Recent damage to residential buildings caused by hurricanes in coastal areas illustrates poor performance of coastal structures against hurricane related hazards, which indicates that recent standards and building code provisions need to be improved in terms of loading and design requirements. A fundamental problem with current standards is that most follow the deterministic approach to some extent. For instance, both uncertainties regarding flood hazards and building structure characteristics such as elevation, number of stories, and size have not been considered in current flood risk assessment methods, which causes many concerns in terms of validity and reliability. On the other hand, Performance-Based Engineering (PBE) methodology is a well-known design approach to address inherent uncertainties for assessing and mitigating the risk associated with engineering structures. However, with only limited PBE frameworks in hurricane engineering fields proposed during recent years, there is lack of sufficient understanding of different aspects for development of standards needed for hurricane resistant design and retrofit of residential buildings. Furthermore, given the concurrent multi-hazard nature of hurricanes, designers need to address more complex loading conditions and design decisions. Based on the performance of coastal residential buildings in past hurricanes, elevating the lowest floor above the expected Base Flood Elevation (BFE) has been found to be the most effective strategy to reduce direct damage caused by flood and storm surge. However, elevated buildings can be exposed to different levels of wind loads due to unique aerodynamic characteristics, which leads to the need for more stringent design of structural and foundation systems. In addition, past hurricanes have shown that the actual flood levels can be several feet higher than the BFE, which means even pile-elevated houses may still be vulnerable to damage. Therefore, some communities encourage homeowners to add freeboard to the specific BFE in order to mitigate the risk of damage. The amount of freeboard depends on many factors, for which there is no rational approach for building owners and designers to make the most efficient decision. This study proposes a probabilistic framework in order to investigate the combined interaction of hurricane wind and coastal surge flood on typical residential homes upgraded based on various retrofit strategies. The goal of developing such a framework is to contribute to holistic and quantitative approach in evaluating the potential damage to retrofitted, particularly elevated coastal residential buildings. This proposed probabilistic framework consists of four main modules, namely hazard analysis, structural analysis, damage assessment, and loss measurement. A literature review was carried out to evaluate the performance of coastal residential buildings with respect to direct and indirect damage. The result of the literature review on mitigation techniques are discussed according to hurricane wind and flood-related hazards. Identification and quantification of these hurricane-associated hazards is the first step to understanding the behavior of residential buildings and identifying common failure mechanisms and mitigation techniques. The Computational Fluid Dynamic (CFD) analysis was performed to obtain realistic loading scenarios (wind and wave effects) and corresponding engineering demand parameters, respectively. A comprehensive parametric analysis was conducted to understand the effect of various factors, including wind angle, wave type (regular and irregular waves), building elevation, and pier distribution on wind- and wave-induced loads on elevated coastal residential buildings. The CFD models were validated based on available data in terms of wind and wave loadings separately due to lack of current laboratory experiments. The resistance capacities and statistical characteristics for various building components under positive and negative pressures were obtained from experimental tests available in the literature review. The procedure relies on the Monte Carlo Simulation (MCS) to propagate uncertainties through the CFD analysis. Finally, damage assessment and vulnerability analysis were conducted based on selected failure criteria (e.g., HAZUS database) to develop physics-based fragility curves based on four different damage states, and finally obtain loss curves in terms of the building elevation for the selected residential building. A typical wood-frame residential building was selected for the case study to develop the fragility curves for four damage states and the corresponding loss curve based on HAZUS-MH. The building was assumed to be located in the Bolivar Peninsula, where it was heavily impacted by Hurricane Ike as a Category 2 storm. The fragility curves and loss curve were developed for two different scenarios: the building with 8d and 6d common nails used for the connection of roof and floor sheathings. These loss curves predict the expected damage ratio of the building due to combined effects of wind and waves considering the specific house elevation, which can help design professionals and home builders in order to select a reasonable freeboard above the base flood elevation determined based on a probabilistic approach rather than available deterministic methods. This framework can also be utilized in risk assessment and decision analysis of other types of structures against various environmental hazards.
Book Synopsis Hurricane Damage Prediction Model for Residential Structures by : Jean-Paul Pinelli
Download or read book Hurricane Damage Prediction Model for Residential Structures written by Jean-Paul Pinelli and published by . This book was released on 2004 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Information Technology in Civil and Building Engineering by : Sebastian Skatulla
Download or read book Advances in Information Technology in Civil and Building Engineering written by Sebastian Skatulla and published by Springer Nature. This book was released on 2023-10-31 with total page 699 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the latest advances, innovations, and applications in the field of information technology in civil and building engineering, presented at the 19th International Conference on Computing in Civil and Building Engineering (ICCCBE), held in Cape Town, South Africa on October 26-28, 2022. It covers highly diverse topics such as BIM, construction information modeling, knowledge management, GIS, GPS, laser scanning, sensors, monitoring, VR/AR, computer-aided construction, product and process modeling, big data and IoT, cooperative design, mobile computing, simulation, structural health monitoring, computer-aided structural control and analysis, ICT in geotechnical engineering, computational mechanics, asset management, maintenance, urban planning, facility management, and smart cities. Written by leading researchers and engineers, and selected by means of a rigorous international peer-review process, the contributions highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaborations.
Book Synopsis Hurricane Mitigation for the Built Environment by : Ricardo A. Alvarez
Download or read book Hurricane Mitigation for the Built Environment written by Ricardo A. Alvarez and published by CRC Press. This book was released on 2015-11-24 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Alvarez drives home the point that for buildings and communities located in hurricane-prone regions, it is not a question of whether the area will be impacted, but when it will be impacted. The book makes a strong case for taking responsibility to understand the vulnerabilities of buildings and structures to hurricane impacts." Timothy Reinhold, P
Book Synopsis Hydro-Environmental Analysis by : James L. Martin
Download or read book Hydro-Environmental Analysis written by James L. Martin and published by CRC Press. This book was released on 2013-12-04 with total page 5742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on fundamental principles, Hydro-Environmental Analysis: Freshwater Environments presents in-depth information about freshwater environments and how they are influenced by regulation. It provides a holistic approach, exploring the factors that impact water quality and quantity, and the regulations, policy and management methods that are necessary to maintain this vital resource. It offers a historical viewpoint as well as an overview and foundation of the physical, chemical, and biological characteristics affecting the management of freshwater environments. The book concentrates on broad and general concepts, providing an interdisciplinary foundation. The author covers the methods of measurement and classification; chemical, physical, and biological characteristics; indicators of ecological health; and management and restoration. He also considers common indicators of environmental health; characteristics and operations of regulatory control structures; applicable laws and regulations; and restoration methods. The text delves into rivers and streams in the first half and lakes and reservoirs in the second half. Each section centers on the characteristics of those systems and methods of classification, and then moves on to discuss the physical, chemical, and biological characteristics of each. In the section on lakes and reservoirs, it examines the characteristics and operations of regulatory structures, and presents the methods commonly used to assess the environmental health or integrity of these water bodies. It also introduces considerations for restoration, and presents two unique aquatic environments: wetlands and reservoir tailwaters. Written from an engineering perspective, the book is an ideal introduction to the aquatic and limnological sciences for students of environmental science, as well as students of environmental engineering. It also serves as a reference for engineers and scientists involved in the management, regulation, or restoration of freshwater environments.
Book Synopsis Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures by : George Deodatis
Download or read book Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures written by George Deodatis and published by CRC Press. This book was released on 2014-02-10 with total page 1112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures contains the plenary lectures and papers presented at the 11th International Conference on STRUCTURAL SAFETY AND RELIABILITY (ICOSSAR2013, New York, NY, USA, 16-20 June 2013), and covers major aspects of safety, reliability, risk and life-cycle performance of str
Book Synopsis Damage Prediction of Low-rise Buildings Under Hurricane Winds by : Fang Pan
Download or read book Damage Prediction of Low-rise Buildings Under Hurricane Winds written by Fang Pan and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physically-based Visualization of Residential Building Damage Process in Hurricane by : Dezhi Liao
Download or read book Physically-based Visualization of Residential Building Damage Process in Hurricane written by Dezhi Liao and published by . This book was released on 2007 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research provides realistic techniques to visualize the process of damage to residential building caused by hurricane force winds. Three methods are implemented to make the visualization useful for educating the public about mitigation measures for their homes. First, the underline physics uses Quick Collision Response Calculation. This is an iterative method, which can tune the accuracy and the performance to calculate collision response between building components. Secondly, the damage process is designed as a Time-scalable Process. By attaching a damage time tag for each building component, the visualization process is treated as a geometry animation allowing users to navigate in the visualization. The detached building components move in response to the wind force that is calculated using qualitative rather than quantitative techniques. The results are acceptable for instructional systems but not for engineering analysis. Quick Damage Prediction is achieved by using a database query instead of using a Monte-Carlo simulation. The database is based on HAZUSRTM engineering analysis data which gives it validity. A reasoning mechanism based on the definition of the overall building damage in HAZUSRTM is used to determine the damage state of selected building components including roof cover, roof sheathing, wall, openings and roof-wall connections. Exposure settings of environmental aspects of the simulated environment, such as ocean, trees, cloud and rain are integrated into a scene-graph based graphics engine. Based on the graphics engine and the physics engine, a procedural modeling method is used to efficiently render residential buildings. The resulting program, Hurricane!, is an instructional program for public education useful in schools and museum exhibits.
Book Synopsis Multiple Linear Regression Models by : Ji Myong Kim
Download or read book Multiple Linear Regression Models written by Ji Myong Kim and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Following growing public awareness of the danger from hurricanes and tremendous demands for analysis of loss, many researchers have conducted studies to develop hurricane damage analysis methods. Although researchers have identified the significant indicators, there currently is no comprehensive research for identifying the relationship among the vulnerabilities, natural disasters, and economic losses associated with individual buildings. To address this lack of research, this study will identify vulnerabilities and hurricane indicators, develop metrics to measure the influence of economic losses from hurricanes, and visualize the spatial distribution of vulnerability to evaluate overall hurricane damage. This paper has utilized the Geographic Information System (GIS) to facilitate collecting and managing data, and has combined vulnerability factors to assess the financial losses suffered by Texas coastal counties. A multiple linear regression method has been applied to develop hurricane economic damage predicting models. To reflect the pecuniary loss, insured loss payment was used as the dependent variable to predict the actual financial damage and ratio. Geographical vulnerability indicators, built environment vulnerability indicators, and hurricane indicators were all used as independent variables. Accordingly, the models and findings may possibly provide vital references for government agencies, emergency planners, and insurance companies hoping to predict hurricane damage. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/151152
Book Synopsis Hurricane Vulnerability of Commercial-residential Buildings by : Gonzalo Luis Pita
Download or read book Hurricane Vulnerability of Commercial-residential Buildings written by Gonzalo Luis Pita and published by . This book was released on 2012 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Role of City Texture in Identifying Drag Coefficients of Buildings to Prevent Hurricane Damage by : Jacob Roxon
Download or read book Role of City Texture in Identifying Drag Coefficients of Buildings to Prevent Hurricane Damage written by Jacob Roxon and published by . This book was released on 2020 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hurricane damage is one of the costliest and most frequent of natural disasters. In total, the cumulative cost of all 16 hurricanes in the US in 2017 was in excess of $300 billion and by 2075 the average annual damage cost in the US is expected to rise by nearly 40%. In order to mitigate disaster damage, governments mandate minimum standards for construction depending on location and building type--standards known as building codes. Yet most codes remain insufficient as they account only for individual buildings and overlook the influence of city layout on wind speeds and storm damage. To reinvigorate design codes and better predict hurricane damage, we propose a new city texture resilience approach, which accounts for local geometric layouts to predict more accurate building codes. Tested using computational fluid dynamics simulations for different city textures with common geometrical layouts, we found that the city texture model, derived using online GIS data of building footprints, predicts with 67% accuracy damage from 2018 Hurricane Michael in Mexico Beach, FL. Furthermore, we find that ordered "crystal" cites have higher susceptibility to hurricane damage showing higher proportion of buildings with upper range values of drag coefficients. Using this approach, stakeholders can readily identify entire cities (or neighborhoods) with high susceptibility to hurricane damage. Moreover, they can identify buildings with the highest risk of damage, which will offer targeted retrofitting, thereby enabling more resilient developments and urban planning to reduce the risk of hurricane damage and mitigate the kinds of extreme damage experienced by communities with histories of high speed winds, especially as climate change is going to intensify future storms
Book Synopsis Hurricane Andrew in Florida Building Performance Observations, Recommendations, and Technical Guidance by :
Download or read book Hurricane Andrew in Florida Building Performance Observations, Recommendations, and Technical Guidance written by and published by FEMA. This book was released on with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:
