›› 2008, Vol. 29 ›› Issue (2): 553-556.

• Testing Technology • Previous Articles     Next Articles

Inversion of shallow shear wave velocity profile of engineering site from recordings associated with microtremors array

DONG Lian-cheng1,2,TAO Xia-xin1,SHI Li-jing3,LI Guang-ying2   

  1. 1.School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China; 2. College of Architectureand Civil Engineering, Heilongjiang Institute of Science and Technology, Harbin 150027, China;3. Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China
  • Received:2006-06-15 Online:2008-02-11 Published:2013-07-10

Abstract: The soil parameters that effect phase velocity of Love wave are compared; and it is feasible using phase velocity of Love wave to determine shallow shear wave velocity profile of the site by virtual inversion. The first mode phase velocity of Love wave estimated from three-component microtremor array records is chosen as the object function, the shallow shear wave velocity profile of the practical site is inversed by means of a hybrid approach of genetic algorithm and simplex in two typical conditions and are compared with those determined from PS logging data; and it shows that it is a feasible technique using phase velocity of Love wave estimated from microtremors array to determine the shallow S-wave velocity structure of engineering site.

Key words: microtremors array, Love wave, Rayleigh wave, phase velocity, hybrid approach of genetic algorithm and simplex, shear wave velocity structure, inversion

CLC Number: 

  • TU 459+.3
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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