MASW AND SFR METHODS FOR DETERMINATION S WAVE VELOCITY PROFILE

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RASANEH GH.; SIAHKOOHI H.R.

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Seminar Paper

Paper Information

Seminar: IRANIAN GEOPHYSICS CONFERENCE
Year:2006 | Issue:12

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Title

MASW AND SFR METHODS FOR DETERMINATION S WAVE VELOCITY PROFILE

Author(s)

RASANEH GH. | SIAHKOOHI H.R.

Keywords

RAYLEIGH WAVE

DISPERSION CURVE

MASW METHOD

SFR METHOD

Abstract

THE MULTICHANNEL ANALYSIS OF SURFACE WAVES METHOD (MASW) IS A NONDESTRUCTIVE SEISMIC METHOD TO EVALUATE PAVEMENT THICKNESS AS WELL AS TO EVALUATE LINEAR ELASTIC MODULUS OF GROUND AND MATERIALS UNDER PAVEMENT. IT ANALYSIS DISPERSION PROPERTIES OF CERTAIN TYPES OF SEISMIC SURFACE WAVES (FUNDAMENTAL MODE RAYLEIGH WAVES) PROPAGATING HORIZONTALLY ALONG THE SURFACE OF MEASUREMENT DIRECTLY FROM IMPACT POINT TO RECEIVERS. IT GIVES THE SHEAR-WAVE VELOCITY (VS) INFORMATION. WHEN SURFACE WAVE ARE UTILIZED TO DEDUCE A NEAR-SURFACE SHEAR-WAVE VELOCITY (VS) PROFILE (VS VERSUS DEPTH), THE ANALYSIS RELIES ON THE ACCURATE CALCULATION OF PHASE VELOCITIES FOR THE HORIZONTALLY TRAVELING FUNDAMENTAL-MODE RAYLEIGH WAVE. DECOMPOSITION OF A MULTICHANNEL RECORD INTO A TIME VARIABLE-FREQUENCY FORMAT, ALLOW EACH FREQUENCY COMPONENT TO BE SEPARATELY AND CONTINUOUSLY DISPLAYED (SWEPT FREQUENCY RECORD, SFR). SOME EXAMPLES FROM REAL SEISMIC DATA VERIFY THE MASW METHOD DESCRIBED HERE AND SFR METHOD EXTRACTING OF MULTICHANNEL DISPERSION CURVES.

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APA: Copy

RASANEH, GH., & SIAHKOOHI, H.R.. (2006). MASW AND SFR METHODS FOR DETERMINATION S WAVE VELOCITY PROFILE. IRANIAN GEOPHYSICS CONFERENCE. SID. https://sid.ir/paper/906522/en

Vancouver: Copy

RASANEH GH., SIAHKOOHI H.R.. MASW AND SFR METHODS FOR DETERMINATION S WAVE VELOCITY PROFILE. 2006. Available from: https://sid.ir/paper/906522/en

IEEE: Copy

GH. RASANEH, and H.R. SIAHKOOHI, “MASW AND SFR METHODS FOR DETERMINATION S WAVE VELOCITY PROFILE,” presented at the IRANIAN GEOPHYSICS CONFERENCE. 2006, [Online]. Available: https://sid.ir/paper/906522/en

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