The Preliminary Study on the Impact of the Velocity Situ Test Standard Deviation to the Response Spectra in Deep-Soft Sites

Abstract:

The test results of shear-wave velocity in engineering are of being importance increasingly, but the the uncertainty of the wave test result has influenced the seismic design throughout. In order to describe this uncertainty accurately , the paper has taken some research on the deep-soft sites seismic response. By using SHAKE 2000 program and entering various types of ground motions, the authors discussed the effect of shear-wave velocity standard deviation of several velocity values in deep-soft site to the ground response spectra and PGA(Peak Ground Acceleration). The results are as followed: the standard deviation of the shear-wave velocities has almost no influence on the acceleration response spectra and the PGA of the site; the varieties of response spectra and PGA under different intensity of earthquake can be nearly ignored. With the increasing number of the shear-wave velocity data, results of the study would be further in-depth and perfection.

• Periodical: Advanced Materials Research (Volumes 919-921)
• Pages: 800-804
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.919-921.800
• Online since: April 2014
• Authors: Zhuo Shi Chen*, Xiao Ming Yuan, Shang Jiu Meng
• Keywords: Deep-Soft Site, Response Spectra, Shear-Wave Velocity Test, Standard Deviation

References

[1] Gao Y F, Liu H L, Zhu W. Influences of Shear Wave Velocity on the Seismic Response of Sand Ground[J] Geotechnical Investigation & Surveying, 2001 1: 39-42. (In Chinese).

[2] Li P, Bo J S, Sun Y W. Shear wave velocity diversity influence on the seismic response[J], World Earthquake Engineering, 2010, 26(Suppl): 133-137 (In Chinese).

[3] Liu H S, Bo J S, Wu Z Y et al. Effects of Soil Parameters on Ground Surface Acceleration Peak and Response Spectra[J], Journal of Seismological Research, 2005, 28(2): 167-172. (In Chinese).

[4] Sun X Q, Liu K H. Application of Wave Velocity Test Technique in Geotechnical Engineering[J]. Journal of Changjiang Engineering Vocational College, 2006, 23(3): 1-5 (In Chinese).

[5] Chen G X, Liu X Z, Wang B H. Effect of variability of soil dynamic parameters on ground motion parameters for deep soft sites[J]. Journal of Disaster Prevention and Mitigation Engineering, 2007; 27 (1): 1-10. (In Chinese).

[6] Wang G J, Su J Y. Some Statistical Analytical Results of Shear Wave Velocity and its Application in the Site Classification[J]. Building Science. 1986, ( 1) : 69- 76. (In Chinese).