A note on the useable dynamic range of accelerographs recording translation

被引：137

作者：

Trifunac, MD ^{[1
]}

Todorovska, MI ^{[1
]}

机构：

[1] Univ So Calif, Dept Civil Engn, Los Angeles, CA 90089 USA

来源：

SOIL DYNAMICS AND EARTHQUAKE ENGINEERING | 2001年 / 21卷 / 04期

关键词：

strong motion recording; strong motion data processing; digitization noise; permanent displacement; rotational components of strong motion; strong motion transducers;

D O I：

10.1016/S0267-7261(01)00014-8

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Since the late 1970s, the dynamic range and resolution of strong motion digital recorders have leaped from 65 to 135 dB, opening new possibilities for advanced data processing and interpretation. One of these new possibilities is the calculation of permanent displacement of the ground or of structures, associated with faulting or with non-linear response. Proposals on how permanent displacements could be recovered from recorded strong motion have been published since 1976. The analysis in this paper concludes that permanent displacements of the ground and of structures in the near-field can be calculated provided all six components of strong motion (three translations and three rotations) have been recorded, and the records are corrected for transducer rotation, misalignment and cross-axis sensitivity. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：275 / 286

页数：12

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