2 edition of Development of site specific response spectra found in the catalog.
Development of site specific response spectra
D. L. Bernreuter
by Division of Engineering Safety, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission in Washington, DC
Written in English
|Statement||prepared by D.J. Bernreuter, J.C. Chen, J.B. Savy.|
|Contributions||Chen, J. C. 1938-, Savy, Jean Bernard., U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering Safety., Lawrence Livermore National Laboratory.|
|The Physical Object|
|Pagination||xvii, 122 p. :|
|Number of Pages||122|
ordinates of the probabilistic ground motion response spectrum shall be determined from iterative integration of a site-specific hazard curve with a lognormal probability density function representing the collapse fragility (i.e., probability of collapse as a function of spectral response. Site Resp. - 11 Seismic Site Response • Seismic site response is usually referred to as the propagation of seismic waves from an input base rock to the ground surface through the local site soils. • Since the ’s methodologies have been developed to analyze this process using equivalent-linear or nonlinear methods. Site Resp. -
analysis goal is to achieve site-specific response spectra which preserve the reference site hazard level and result in full site-specific hazard curves for William States Lee III Unit 1. The analyses described in the enclosed report apply to the development of horizontal and vertical. ground motion response spectrum shall not be taken lower than the corresponding ordinates of the response spectrum determined in accordance with Fig. [on the next slide], where F a and F v are [the site coefficients], with the value of [the second SA] taken as and the value of [the second SA] taken as ".
spectrum. The general design response spectrum is constructed using mapped values of S S and S 1 modified to S DS and S D1 in accordance with Sections and of ASCE If the site-specific design spectral response acceleration is less than 80 percent of the general design response spectrum at any period, then scale the site. site response due to seismic excitation, by leveraging with the advanced functionality and features embedded in modern spreadsheets. While the focus here is on one-dimensional equivalent-linear ground response analysis, the spreadsheet techniques presented in this paper can also be applied and.
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Development of Site-Specific Response Spectra for Seismic Analysis of Concrete Hydraulic Structures Section I Introduction Purpose and Scope This chapter describes procedures for developing site-specific response spectra of ground motions throughout the United States for seismic analyses of hydraulic structures.
Also covered, but in less detail,File Size: KB. Get this from a library. Development of site specific response spectra. [D L Bernreuter; J C Chen; Jean Bernard Savy; U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research.
Division of Engineering Safety.; Lawrence Livermore National Laboratory.]. This paper presents a practical approach to develop a site-specific design acceleration response spectral (ARS) curve for a soil profile Type F site due to liquefaction. A site development consisted of four main structures up to stories high over a two- to three-level parking structure in Marina Del Ray, California.
Based on the California Building Code (CBC) Cited by: 1. This manual describes the development and use of response spectra for the seismic analysis of concrete hydraulic structures.
The manual provides guidance regarding how earthquake ground motions are characterized as design response spectra and how they are then used in the process of seismic structural analysis and design.
The Uniform Hazard site-dependent response spectrum estimated for return period years almost completely overlaps the Spitak earthquake spectra, that suggests its applicability as the building code's provisions.
At the same time, new building code's response spectrum seems to underestimate seismic loads for periods more than 1 by: 4. the mean site-specific response spectra in Turkey based on data from past earthquakes with the design spectra in AASHTO () and AASHTO () by focusing on the descending part (long period range).
The site-specific response. vi spectra for different soil conditions and magnitude ranges are obtained from strong. The demands on the structures were based on site specific probabilistic response spectra. The site had been subjected to ground motion from two moderate earthquakes from sources near Olympia, Washington in and Peak ground accelerations (PGA) at PSNSY were estimated to have been in the neighborhood of g.
Results of a seismicity. Kircher Presentation – Site-Specific Design Requirements and Parameters. Changes to the Site-Specific Procedures of Section • Derivation of Design Acceleration Parameters.
and. from a site-specific design spectrum: – Base. on 90 percent of the peak acceleration of the site-specific design spectrum (periods of. For each specific site you define a Maximum Considered Earthquake (MCE) (an event with a 2% probability of exceedence in 50 years oraTr=years).Thedesignearthquakeis2/3theMCE.
response spectrum and amax is the maximum acceleration of thecorrespondingaccelerogram. Chile ‐Design Spectrum. Chile ‐Design Spectrum. (b) Predicted median response spectra from the two earthquake events, illustrating that the event producing the maximum response spectra may vary depending upon the period of interest (prediction obtained from the model of Campbell and Bozorgnia ).
While the site shown in Figure a produces some challenges in terms of identifying a worst-case. – Site Coefficients Tables and – Site-Specific Requirements of Section 4. New Site-Specific Methods of Chapter 21 – Design Parameters (Section ) – Deterministic MCE R Floor (Section ) – Lower-Bound Limit on the Design Spectrum (Section ).
PDF | OnYogesh Pisal published Development of Site Specific Response Spectrum for Roorkee Region | Find, read and cite all the research you need on ResearchGate. The concept of response spectra was first incorporated into the United States building codes in the late ’s by means of the coefficient Cin the lateral force equation VKCW=by the Structural Engineers Association of California (SEAOC, ), where Vis the total lateral force, Kis a structural systems coefficient oforand Wis the total dead load.
"Development of design response spectral shapes for Central and Eastern U.S. (CEUS) and Western U.S. (WUS) rock site conditions."Proc. of the OECE-NEA (Organization For Economic Coordination and Development of the Nuclear Energy Agency) Workshop on Engineering Characterization of Seismic Input, Nov.,NEA/CSNI/R()2, vol.
1: The UHRS analysis goal is to achieve site-specific response spectra which reflect the desired exceedance frequencies, or stated another way, preserve the reference site hazard level and result in full site-specific hazard curves for William States Lee III Unit 1.
The response spectrum is developed and iteratively compared to the ARMA model and the site-specific spectrum until a satisfactory match is achieved. Finally, the time domain description of the spectrum-compatible artificial earthquake record is developed exploiting inverse FFT of the design response spectrum.
a data base for response spectra for the three probability levels at each grid point. A sample response spectrum for a 2% probability of exceedance in 50 years is shown in Figure C. Response spectra can also be computed for 5% Figure C. Sample uniform hazard and 10% probability of exceedance in 50 years.
As was the response spectrum for 2% PE in. A response spectrum is used to provide the most descriptive representation of the influence of a given earthquake on a structure or machine. 53/ Lecture 18 Fundamental of Vibration _____ - 2 - 2.
Structures subject to earthquake It is similar to a vehicle moving on the ground. In at Caltech, George W. Housner began to publish calculations of response spectra from accelerographs. In the EERI Monograph on "Earthquake Design and Spectra", Newmark and Hall describe how they developed an "idealized" seismic response spectrum based on a range of response spectra generated for available earthquake records.
This was then further developed into a design. New white paper available. Learn more about how the SPECTRA provides a hierarchical–dimensional assessment of psychopathology.
A free hierarchical interpretation worksheet is provided. Click the Resources tab above or here to view or download. The SPECTRA provides a quick hierarchical assessment of adult psychopathology. Site-specific response spectra The design spectra such as those presented above were based on earthquake records on alluvium and did not consider soil condition as a parameter.
It is concluded from various studies that soil condition at a site significantly affects the amplifications and shapes as .Chapter 5: Response Analysis for Multi Support Earthquake Excitation Chapter 6: Seismic Soil-Structure Interaction Chapter 7: Non-linear Seismic Response of Structures.
In assessing the site-specific design earthquake characteristics in seismically active zones for performance levels of Collapse Prevention, Life Safety, and Immediate Occupancy that may correspond to 72, and year return period earthquakes, detailed site characterization and site response analyses may be required.