THE ASSESSMENT INTERRELATIONSHIP BETWEEN FAR-FIELD AND NEAR-FIELD SEISMIC PARAMETERS USING THE CORRELATION CONCEPT

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HABIBI A.; JAMI E.; ROSTAMI S.

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Journal: Sharif Journal of Civil Engineering Year:2016 | Volume:32-2 | Issue:3.2 Page(s): 133-144

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Title

THE ASSESSMENT INTERRELATIONSHIP BETWEEN FAR-FIELD AND NEAR-FIELD SEISMIC PARAMETERS USING THE CORRELATION CONCEPT

Author(s)

HABIBI A. | JAMI E. | ROSTAMI S. | Issue Writer Certificate

Keywords

NEAR-FIELD EARTHQUAKEQ2

FAR-FIELD EARTHQUAKEQ2

SEISMIC PARAMETERSQ2

CORRELATION COEFFICIENTQ2

Abstract

Ground motions consequent to an earthquake reflect the features of the seismic source, the rupture process, the source-site travel path, and local site conditions. Consequently, the characteristics of ground motion in the vicinity of an active fault can be significantly different from those of the far-field. Recordings from recent earthquakes show that NEAR-FIELD EARTHQUAKEs have different characteristics than FAR-FIELD EARTHQUAKEs. Overall, these characteristics are caused by a directivity effect in NEAR-FIELD EARTHQUAKEs. This phenomenon causes the fault normal component of the recorded near-fault to have long-period velocity pulses. This paper investigates the relationship between the near-field of SEISMIC PARAMETERS, including range, energy and frequency content parameters, and the results are compared with FAR-FIELD EARTHQUAKEs.30 records of far and NEAR-FIELD EARTHQUAKEs have been used. The data were analyzed by the Pearson CORRELATION COEFFICIENT. It is a measure of the linear correlation (dependence) between two variables, X and Y, giving a value between +1 and -1 inclusive, where 1 is total positive correlation, 0 is no correlation, and -1 is total negative correlation. The results show that the correlation between the parameters of the horizontal component of near-field not only has a direct relationship, but that the correlations, on average, are powerful. The results show that maximum velocity of ground motion is better than maximum acceleration in prediction of other SEISMIC PARAMETERS in three-components. On the other hand, the relationships between horizontal and vertical components of the parameters of the near-field differ considerably. So, in the horizontal component, no inverse relationship is seen between the parameters.

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APA: Copy

HABIBI, A., JAMI, E., & ROSTAMI, S.. (2016). THE ASSESSMENT INTERRELATIONSHIP BETWEEN FAR-FIELD AND NEAR-FIELD SEISMIC PARAMETERS USING THE CORRELATION CONCEPT. SHARIF: CIVIL ENINEERING, 32-2(3.2), 133-144. SID. https://sid.ir/paper/128145/en

Vancouver: Copy

HABIBI A., JAMI E., ROSTAMI S.. THE ASSESSMENT INTERRELATIONSHIP BETWEEN FAR-FIELD AND NEAR-FIELD SEISMIC PARAMETERS USING THE CORRELATION CONCEPT. SHARIF: CIVIL ENINEERING[Internet]. 2016;32-2(3.2):133-144. Available from: https://sid.ir/paper/128145/en

IEEE: Copy

A. HABIBI, E. JAMI, and S. ROSTAMI, “THE ASSESSMENT INTERRELATIONSHIP BETWEEN FAR-FIELD AND NEAR-FIELD SEISMIC PARAMETERS USING THE CORRELATION CONCEPT,” SHARIF: CIVIL ENINEERING, vol. 32-2, no. 3.2, pp. 133–144, 2016, [Online]. Available: https://sid.ir/paper/128145/en

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