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Author : Walter W. Hays
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (359 download)
Download or read book Procedures for Estimating Earthquake Ground Motions written by Walter W. Hays and published by . This book was released on 1980 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geological Survey (U.S.)
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (796 download)
Download or read book Procedures For Estimating Earthquake Ground Motions written by Geological Survey (U.S.) and published by . This book was released on 1975 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Walter Wesley Hays
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (251 download)
Download or read book Procedures for estimating earthquake ground motions written by Walter Wesley Hays and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Walter W. Hays
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (641 download)
Download or read book Procedure for Estimating Earthquake Ground Motions written by Walter W. Hays and published by . This book was released on 1980 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jorge Luis Macedo Escudero
Publisher :
ISBN 13 :
Total Pages : 159 pages
Book Rating : 4.:/5 (12 download)
Download or read book Simplified Procedures for Estimating Earthquake-Induced Displacements written by Jorge Luis Macedo Escudero and published by . This book was released on 2017 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineers find value in using simplified procedures to estimate seismically induced permanent displacements in their preliminary assessments of the seismic performance of earth structures and buildings. This research develops new, robust simplified procedures to estimate shear-induced displacements of earth and waste structures and natural slopes and to estimate shear-induced settlement of structures founded atop liquefiable soils. Most simplified procedures for estimating seismic slope displacements are based on variations of the Newmark (1965) sliding block analyses. These procedures were developed largely using earthquake ground motions from shallow crustal earthquakes along active plate margins (e.g., California earthquakes). These semi-empirical procedures should not be applied directly to other seismo-tectonic settings, such as subduction earthquake zones, without evaluating their applicability for tectonic settings for which they were not originally developed. In this study, a simplified procedure for estimating seismic shear-induced permanent displacements in slopes located in subduction earthquake zones is developed. The primary source of uncertainty in assessing the likely performance of an earth slope or system during an earthquake is the input ground motion. Hence, a comprehensive database containing 810 recorded ground motions from subduction zone interface earthquakes was developed and used to compute seismic slope displacements. The proposed seismic slope displacement model captures the primary influence of the system's yield coefficient ky, its initial fundamental period Ts, and the ground motion's spectral acceleration at a degraded period of the slope taken as 1.5 Ts. The new procedure uses the framework of the widely used Bray and Travasarou (2007) method developed for shallow crustal settings. The model separates the probability of "zero" displacement (i.e.,
Author : Neven Matasovic
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (1 download)
Download or read book Practices and Procedures for Site-Specific Evaluations of Earthquake Ground Motions written by Neven Matasovic and published by Transportation Research Board National Research. This book was released on 2012 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 428: Practices and Procedures for Site-Specific Evaluations of Earthquake Ground Motions identifies and describes current practice and available methods for evaluating the influence of local ground conditions on earthquake design ground motions on a site-specific basis.
Author : Robert F. Nau
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (91 download)
Download or read book Simulating and Analyzing Artificial Non-stationary Earthquake Ground Motions written by Robert F. Nau and published by . This book was released on 1980 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Renner B. Hofmann
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.3/5 (91 download)
Download or read book State-of-the-art for Assessing Earthquake Hazards in the United States written by Renner B. Hofmann and published by . This book was released on 1974 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (359 download)
Download or read book Estimation of Ground Motion Parameters written by and published by . This book was released on 1978 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 619 pages
Book Rating : 4.:/5 (16 download)
Download or read book Early Site Permit Demonstration Program written by and published by . This book was released on 1993 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report develops and applies a methodology for estimating strong earthquake ground motion. The motivation was to develop a much needed tool for use in developing the seismic requirements for structural designs. An earthquakes̀ ground motion is a function of the earthquakes̀ magnitude, and the physical properties of the earth through which the seismic waves travel from the earthquake fault to the site of interest. The emphasis of this study is on ground motion estimation in Eastern North America (east of the Rocky Mountains), with particular emphasis on the Eastern United States and southeastern Canada. Eastern North America is a stable continental region, having sparse earthquake activity with rare occurrences of large earthquakes. While large earthquakes are of interest for assessing seismic hazard, little data exists from the region to empirically quantify their effects. Therefore, empirically based approaches that are used for other regions, such as Western North America, are not appropriate for Eastern North America. Moreover, recent advances in science and technology have now made it possible to combine theoretical and empirical methods to develop new procedures and models for estimating ground motion. The focus of the report is on the attributes of ground motion in Eastern North America that are of interest for the design of facilities such as nuclear power plants. Specifically considered are magnitudes M from 5 to 8, distances from 0 to 500 km, and frequencies from 1 to 35 Hz.
Author : E. L. Krinitzsky
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (91 download)
Download or read book State-of-the-art for Assessing Earthquake Hazards in the United States written by E. L. Krinitzsky and published by . This book was released on 1975 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. L. Bernreuter
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (91 download)
Download or read book Scaling and Estimation of Earthquake Ground Motion as a Function of the Earthquake Source Parameters and Distance written by D. L. Bernreuter and published by . This book was released on 1981 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Atilla Ansal
Publisher : Springer
ISBN 13 : 3319169645
Total Pages : 455 pages
Book Rating : 4.3/5 (191 download)
Download or read book Perspectives on European Earthquake Engineering and Seismology written by Atilla Ansal and published by Springer. This book was released on 2015-08-28 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects 4 keynote and 15 theme lectures presented at the 2nd European Conference on Earthquake Engineering and Seismology (2ECEES), held in Istanbul, Turkey, from August 24 to 29, 2014. The conference was organized by the Turkish Earthquake Foundation - Earthquake Engineering Committee and Prime Ministry, Disaster and Emergency Management Presidency under the auspices of the European Association for Earthquake Engineering (EAEE) and European Seismological Commission (ESC). The book’s nineteen state-of-the-art chapters were written by the most prominent researchers in Europe and address a comprehensive collection of topics on earthquake engineering, as well as interdisciplinary subjects such as engineering seismology and seismic risk assessment and management. Further topics include engineering seismology, geotechnical earthquake engineering, seismic performance of buildings, earthquake-resistant engineering structures, new techniques and technologies, and managing risk in seismic regions. The book also presents the First Professor Inge Lehmann Distinguished Award Lecture given by Prof. Shamita Das in honor of Prof. Dr. Inge Lehmann. The aim of this work is to present the state-of-the art and latest practices in the fields of earthquake engineering and seismology, with Europe’s most respected researchers addressing recent and ongoing developments while also proposing innovative avenues for future research and development. Given its cutting-edge conten t and broad spectrum of topics, the book offers a unique reference guide for researchers in these fields. Audience: This book is of interest to civil engineers in the fields of geotechnical and structural earthquake engineering; scientists and researchers in the fields of seismology, geology and geophysics. Not only scientists, engineers and students, but also those interested in earthquake hazard assessment and mitigation will find in this book the most recent advances.
Author : Neal Simon Kwong
Publisher :
ISBN 13 :
Total Pages : 195 pages
Book Rating : 4.:/5 (919 download)
Download or read book Selection and Scaling of Ground Motions for Nonlinear Response History Analysis of Buildings in Performance-based Earthquake Engineering written by Neal Simon Kwong and published by . This book was released on 2015 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation investigates the issue of selecting and scaling ground motions as input excitations for response history analyses of buildings in performance-based earthquake engineering. Many ground motion selection and modication (GMSM) procedures have been developed to select ground motions for a wide variety of objectives. In this research, we focus on the selection and scaling of single, horizontal components of ground motion for estimating seismic demand hazard curves (SDHCs) of multistory frames at a given site. In Chapter 2, a framework is developed for evaluating GMSM procedures in their ability to provide accurate estimates of the SDHC. The notion of a benchmark SDHC is introduced, enabling biases caused by GMSM procedures to be isolated from other sources of bias. More importantly, the ability to quantify bias facilitates the identication of intensity measures (IMs) that are sufficient. However, this approach is limited by the availability of recorded ground motions and of prediction models for engineering demand parameters (EDPs) of structures. The framework developed in Chapter 2 is applied to synthetic ground motions in Chapter 3, where biases in estimates of SDHCs caused by GMSM procedures can be estimated for any structural system and any EDP. However, the use of synthetic ground motions gives rise to the issue of developing benchmark-consistent ground motion prediction models. Based on the results from Chapters 2-3, it is hypothesised that the potential bias in any SDHC estimate is caused directly by two important properties of the particular selection of ground motions: (i) hazard consistency, and (ii) IM sufficiency. A novel ground motion selection procedure, rooted in the theory of Importance Sampling, is developed in Chapter 4 that allows: (i) hazard consistency of the selected motions to be directly enforced for a user-specified collection of IMs, and (ii) SDHCs of a structure to be estimated from a single ensemble of ground motions, with the option of avoiding record scaling altogether. This procedure, together with two other contemporary GMSM procedures -- (i) "exact" Conditional Spectrum and (ii) Generalized Conditional Intensity Measure -- are evaluated in Chapters 5-6 for a variety of structural systems and EDPs at a specified site. In these chapters, the amount of effort involved in implementing these procedures for estimating SDHCs is summarized in a step-by-step form, and the magnitude of biases caused by these procedures are documented.
Author : Otto W. Nuttli
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.3/5 (91 download)
Download or read book State-of-the-art for Assessing Earthquake Hazards in the United States written by Otto W. Nuttli and published by . This book was released on 1978 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is concerned with the problem of estimating credible values of the peak velocity and acceleration of the ground motion for central United States earthquakes. The report contains a catalog of all known earthquakes large enough to be felt or of body-wave magnitude greater than or equal to 3. The data of the catalog are plotted on a map, which together with structural geological information is used to identify eight seismic source zones in the central United States. The boundaries of the source zones are inexact, so that special study will be required for establishing credible ground-motion values for sites near the boundaries. A maximum-magnitude earthquake is determined for each zone, as well as a magnitude-recurrence equation. Using the Murphy-O'Brien formulation, as well as theoretical results of Herrmann and a limited amount of strong-motion data for the central United States, equations are derived for that region which relate maximum horizontal acceleration and velocity to body-wave magnitude and epicentral distance. (Author).
Author : Committee On Earthquake Engineering Panel on Earthquake Loss Estimation Methodology
Publisher : National Academies Press
ISBN 13 :
Total Pages : 247 pages
Book Rating : 4./5 ( download)
Download or read book estimating losses from future earthquakes written by Committee On Earthquake Engineering Panel on Earthquake Loss Estimation Methodology and published by National Academies Press. This book was released on 1989-01-01 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 608 pages
Book Rating : 4.:/5 (682 download)
Download or read book Early Site Permit Demonstration Program written by and published by . This book was released on 1993 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report develops and applies a methodology for estimating strong earthquake ground motion. The motivation was to develop a much needed tool for use in developing the seismic requirements for structural designs. An earthquake's ground motion is a function of the earthquake's magnitude, and the physical properties of the earth through which the seismic waves travel from the earthquake fault to the site of interest. The emphasis of this study is on ground motion estimation in Eastern North America (east of the Rocky Mountains), with particular emphasis on the Eastern United States and southeastern Canada. Eastern North America is a stable continental region, having sparse earthquake activity with rare occurrences of large earthquakes. While large earthquakes are of interest for assessing seismic hazard, little data exists from the region to empirically quantify their effects. The focus of the report is on the attributes of ground motion in Eastern North America that are of interest for the design of facilities such as nuclear power plants. This document, Volume II, contains Appendices 2, 3, 5, 6, and 7 covering the following topics: Eastern North American Empirical Ground Motion Data; Examination of Variance of Seismographic Network Data; Soil Amplification and Vertical-to-Horizontal Ratios from Analysis of Strong Motion Data From Active Tectonic Regions; Revision and Calibration of Ou and Herrmann Method; Generalized Ray Procedure for Modeling Ground Motion Attenuation; Crustal Models for Velocity Regionalization; Depth Distribution Models; Development of Generic Site Effects Model; Validation and Comparison of One-Dimensional Site Response Methodologies; Plots of Amplification Factors; Assessment of Coupling Between Vertical & Horizontal Motions in Nonlinear Site Response Analysis; and Modeling of Dynamic Soil Properties.
