This page is devoted to frequently asked questions faq related to responsespectrum analysis. Spectrum software was a software company based in california, whose main focus is electrical simulation and analysis tools, most notably the circuit simulator microcap. This web service is still under development, as are the 2020 nehrp provisions. Chapter 6 seismic design washington state department of. Site coefficients and risktargeted maximum considered. Comparative study of static and dynamic seismic analysis. Scale factor should be specified such that its product with responsespectrum values. Responsespectrum analysis faq technical knowledge base. Respond software gives every business an edge in the battle for cybersecurity with affordable, easytoimplement software that delivers expertlevel decisions at scale. For periods less than t 0, the design spectral response acceleration, sa, shall be taken as.
Found and removed clsid cafeefac00007abcdeffedcbb dll, required to tenor files from solidworks format launch the program then start a quick scan for the system to detect the panasonic kvs6055w kvs6050w kvs2065w lisis 2. Initially, the company concentrated on providing software for apple ii systems. One of the earliest products was logic designer and simulator. Widely available spreadsheet software is typically equipped with sophisticated features, such as programmability and handling of complexvalued data even fourier analysis, rendering these productivity tools fully tenable for seismic site response. A series of mixed vertical oscillators a plot of the peak acceleration for the mixed vertical oscillators a response spectrum is a plot of the peak or steadystate response displacement, velocity or acceleration of a series of oscillators of varying natural frequency, that are forced into motion by the same base vibration or shock. The software is provided on the condition that neither the usgs nor the u. Investigation on risktargeted seismic design criteria for a high. The tool was originally developed to provide acceleration ordinates of the asce 716 risktargeted maximum considered earthquake mcer response spectrum, the metric used for the design of new buildings, at 21 natural periods in the 0 to 10sec band. The easiest and most accurate way to obtain the spectral values is to use the u. Determination of standard response spectra and effective. New ground motion requirements of asce 716 bssc webinar, july 28, 2017 charlie kircher design response spectrum figure 11.
Fresponse is an easy to use, vendor neutral, patented software utility that enables an investigator to conduct live forensics, data recovery, and ediscovery over an ip network using their tools of choice. Mcer spectral response accelerations of chapter 22. Elastic and inelastic response spectrum analysis fourier amplitude spectrum analysis modal analysis of simple proportionally damped systems modal analysis of simple nonproportionally damped systems. A responsespectrum analysis calculates the maximum response of a structure to transient loads such as displacement,velocity or acceleration, that are forced into vibration by a base vibration or shock. This spectrum were done taking as a start point normalized version of the response spectra obtained from different accelerograms recorded for the following earthquakes. Final report 2019 update to the sitespecific seismic hazard. The structures response is determined by its mass and stiffness distributions. If you want the program to make a spectrum for you, activate the generate response spectrum checkbox and specify values in the oscillating frequency hz and damping ratio 0. Simulationinformed sitespecific design spectra for. On top of all of this, you also get 4 useful bonus items with the software.
It provides a convenient mean to summarize the peak response of all possible sdf systems to a particular component of ground motion. A plot of peak value of a response quantity as a function. Technically, the endian determines the file format. Nonlin and eqtools software for earthquake engineering. Spectrum construction software is a product that is built on more than 30 users of experience and expertise in the construction industry. Based on ansys software, the seismic analysis by the response spectrum method and time history method is performed, and the simulation results are compared, it can be concluded that the calculation results of the earthquake response peak values and the main response frequencies are. Assalamualaikum semua kali ini kita akan membahas bagai mana cara menghitung data beban gempa respon spektrum. Where a design response spectrum is required by this standard and sitespecific ground motion procedures are not used, the design response spectrum curve shall be developed as indicated in fig. Design example 1 design spectral response acceleration. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the software.
Asce 710, chapter 21 procedures for determining site. Johnson department of earth and environmental science, new mexico tech 1. The acceleration response spectrum will be different at each site and for each. Seismic design maps application from the usgs website. Response spectrum analysis software caterpillarssa v. Development of risktargeted earthquake ground motions for. Biot 1932, the response spectrum method is a central concept in earthquake engineering. This version can be used by only those clients who have purchased software after 01042018 or customers who are under maintenance contract with microbrain or its authorised dealers upto 31032019. The parameters s s and s 1 shall be determined from the 0.
Chapter 6 seismic design page 62 geotechnical design manual m 4603. Engineers use response spectrum modal superposition analysis to determine the structural response to sudden forces or shocks such as an earthquake. Mcer ground motions in the provisions and in asce 710. Hi, i understand that the construction of the response spectrum is based on section 11. Development of risk targeted earthquake ground motions for use in asce 7, n. Determine the response spectrum seismology engineering. Calculates the acceleration, velocity and displacement time series for. The parameters sds and sd1 are used to calculate the design response spectrum in section 11. The peak ground acceleration pga at surface level was calculated for the entire south india for four different site classes.
Estimation of peak ground acceleration and spectral. Sitespecific horizontal and vertical mcer response spectra for zones. Designed for busy industrial and academic laboratories that require both efficient operation and wideranging capabilities, this comprehensive package sets the standard in ftir software for simplicity and. The softwares interface was designed with the collector in mind, making sure it is very easy to use. Originally, when we were studying the dynamics of a simple single degree of freedom structure, we noticed that given one type of earthquake, we dont have to keep solving the equat. Response spectrum spreadsheet civil engineering community. To help engineers design sound structures, response spectrum modal superposition analysis is used with information gathered. Selecting and scaling earthquake ground motions for. Nyc building code 2014 16 structural design 16 earthquake loads 16. So, you must perform the modal analysis and response spectrum analysis on the same operating system. A comparison is done between the static and dynamic analysis, the results such as bending moment, nodal displacements, mode shapes are observed, compared. Perkinelmer spectrum 10 is the infrared spectroscopy software platform for the range of perkinelmer ftir spectrometers.
A webbased lookup tool was also developed so users can obtain the mcer response spectrum for a specified latitude and longitude and for a specified site class or 30m average shearwave velocity, vs30. Sitespecific mce r response spectra for design of structures in l. This cloudbased construction software is fused with innovation and investment in the latest technologies, and allows teams to stay focused on their most important projects regardless of where the employees are located. Developing nextgeneration seismic design value maps nehrp. Construction of design response spectrum the chilean way. Ground motions for design usgs earthquake hazard program. A response spectrum is a plot of the peak or steadystate response displacement, velocity or acceleration of a series of oscillators of varying natural frequency, that are forced into motion by the same base vibration or shock. The accelerograph records three orthogonal components of ground acceleration.
When the responsespectrum curve is defined, acceleration is typically entered as a fraction of gravitational acceleration 9. As the mcer is available, then design spectral values are adopted. Amateur radio satellite tracking and logging software for macintosh. Performing ollanization name and address earthquake engineering research center university of california, richmond field station 47th and hoffman blvd. Spectrum software was founded in february of 1980 to provide software for personal computers.
The tool provides acceleration ordinates of the mcer response spectrum at 21 natural periods in the 0 to 10sec band. Introduction the basis of engineering seismology is the need to quantify how a given structure will respond to complex ground motions. You may add up to 5 collectors editons onto one program making it easy for you to organize all of your collections. Response spectrum method using staadpro as per the is1893 2002part1. During an earthquake, violent shaking is transmitted into a structure at the points where it is attached to the ground. Mac audio spectrum analyzer mac ham radio software. Note response spectrum modal superpositon uses the results from a modal analysis and operating systems create files with different formats. If you are a professional user of microcap 8 or later, you can update your version of microcap by going to the help menu in the program and selecting check for updates. Mcer response spectrum periods array of spectral periods, in seconds. The resulting plot can then be used to pick off the response of any linear system, given its natural frequency of oscillation. Introduction the most direct description of an earthquake motion in time domain is provided by accelerograms that are recorded by instruments called strong motion accelerographs.
Instructional material complementing fema p751, design examples. Uniform hazard response spectrum uhrs at rock level for 5% damping and 10% and 2% probability of exceedance in 50years were also developed for all the grid points. The tables for ss and s1 were revised between asce 705 and 710. Bridge approach embankments and fills through which cutandcover tunnels are constructed should be designed to remain stable during the design seismic event because. Establishment of siteadjusted design spectral acceleration values sds and sd1, taken as. An example of smooth spectra is shown in figure 4 based on a building code design response spectrum for a site of high seismicity. Enter a new world of software engineering and digital signal analysis and save valuable time. Asce 710, chapter 21 procedures for determining sitespecific, risktargeted, maximum considered earthquake mce r response spectra c. It is helpful to keep in mind that a response spectrum is simply a graph of the maximum value usually displacement or.
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