Civil Engineering Association

A Method for Dynamic Characteristics Estimation of Subsurface using Microtremor on the Ground Surface

Original paper of Nakamura defining H/V technique for estimating local site predominant period and relative soil amplification.

Summary:
This paper describes a new processing method that employs microtremor observation yet producing accurate estimation of characteristics of the ground motion. The method uses vertical component and horizontal components.
As a result, the spectrum ratio of the horizontal components and vertical component of microtremor bears resemblance to transfer function for horizontal motion of surface layers.

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