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Liu Shuai, Pan Chao, Zhou Zhiguang. 2018: Discussions on the response spectral solution and fitting of spectrum-compatible artificial seismic waves. Acta Seismologica Sinica, 40(4): 519-530. DOI: 10.11939/jass.20170226
Citation: Liu Shuai, Pan Chao, Zhou Zhiguang. 2018: Discussions on the response spectral solution and fitting of spectrum-compatible artificial seismic waves. Acta Seismologica Sinica, 40(4): 519-530. DOI: 10.11939/jass.20170226
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Discussions on the response spectral solution and fitting of spectrum-compatible artificial seismic waves

  • 1.

    School of Civil Engineering and Architecture，Zhejiang Sci-Tech University，Hangzhou 310018，China

  • 2.

    School of Civil Engineering，Yantai University，Shandong Yantai 264005，China

  • 3.

    Research Institute of Structural Engineering and Disaster Reduction，Tongji University，Shanghai 200092，China

More Information
  • Received Date: December 26, 2017
  • Revised Date: January 23, 2018
  • Available Online: July 17, 2018
  • Published Date: June 30, 2018
    Graphical Abstract
    • Abstract
  • In order to generate design-spectrum-compatible artificial seismic waves more efficiently and rationally, three problems that arise during the procedure of artificial seismic signals generation are studied and discussed in this paper by the aid of an earthquake signal processing software named EQSignal which is developed by the authors, and through the response analysis of harmonic resonance system with single degree of freedom, the corresponding suggestions to solve these questions are also provided. It is suggested that transfer function method should be adopted within the high-frequency segment of a response spectrum, and step-by-step integration method can be used within the low-frequency segment. There should be more than 120 period points in a seismic response spectrum, and the period points should be log-uniformly distributed at short-period segment and uniformly distri-buted at long-period segment. During seismic spectrum fitting, both the two iterative methods in frequency domain and time domain are recommended to use in order to give consideration to both efficiency and convergence.
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    • References (24)
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