SEISMIC EFFECT OF TUNNEL IN THE SATURATED AMBIENCE ON SURFACE STRUCTURES SUBJECTED TO NEAR AND FAR FIELD EARTHQUAKE

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VOSOUGHIFAR H.R.; Rabie far A.

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Seminar Paper

Paper Information

Seminar: CONFERENCE ON EARTHQUAKE AND STRUCTURE
Year:2014 | Issue:5

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Title

SEISMIC EFFECT OF TUNNEL IN THE SATURATED AMBIENCE ON SURFACE STRUCTURES SUBJECTED TO NEAR AND FAR FIELD EARTHQUAKE

Author(s)

VOSOUGHIFAR H.R. | Rabie far A.

Keywords

EARTHQUAKE

TUNNEL

SATURATED AMBIENCE

Abstract

THE EXPERIENCES OF THE PAST EARTHQUAKES HAVE BEEN INDICATED THAT THE SURFACE STRUCTURES WERE INFLUENCED BY SEISMIC WAVES ACCORDING TO THE DISTANCE FROM FAULT FOCUS AFTER TUNNEL EXCAVATION. SO THE EFFECTS OF NEAR AND FAR FIELD EARTHQUAKES ON THE SURFACE STRUCTURES SHOULD BE NOTED WHILE UNDERGROUND TUNNELS ARE EXCAVATED. IN THIS ATTEMPT, SATURATED CONDITIONS ARE CONSIDERED SURROUNDING THE EXCAVATED TUNNEL AND THE FINITE ELEMENT MODELING WERE PERFORMED USING COULOMB'S FAILURE EQUATION. THE NONLINEAR TIME-HISTORY ANALYSIS WAS UNDERTAKEN VIA NEAR AND FAR FIELD EARTHQUAKES AND RAYLEIGH DAMPING COEFFICIENTS. THE OBTAINED RESULTS DEMONSTRATE THE STRUCTURES IN VICINITY OF TUNNELS WERE MARKEDLY DAMAGED DUE TO FAR FIELD EARTHQUAKES IN THE SATURATED CONDITIONS AND RESONANCE PHENOMENON ALSO WAS APPEARED.FURTHERMORE STATISTICAL RESULTS SHOW THAT SURFACE STRUCTURES IN THE SATURATED CONDITIONS HAVE EFFECTED NEAR FIELD EARTHQUAKES IN COMPARISON WITH FAR FIELD EARTHQUAKES WHICH THERE IS A SIGNIFICANT DIFFERENCE BETWEEN THE OBTAINED NUMERICAL RESULTS (P-VALUE < 0.05).

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APA: Copy

VOSOUGHIFAR, H.R., & Rabie far, A.. (2014). SEISMIC EFFECT OF TUNNEL IN THE SATURATED AMBIENCE ON SURFACE STRUCTURES SUBJECTED TO NEAR AND FAR FIELD EARTHQUAKE. CONFERENCE ON EARTHQUAKE AND STRUCTURE. SID. https://sid.ir/paper/907563/en

Vancouver: Copy

VOSOUGHIFAR H.R., Rabie far A.. SEISMIC EFFECT OF TUNNEL IN THE SATURATED AMBIENCE ON SURFACE STRUCTURES SUBJECTED TO NEAR AND FAR FIELD EARTHQUAKE. 2014. Available from: https://sid.ir/paper/907563/en

IEEE: Copy

H.R. VOSOUGHIFAR, and A. Rabie far, “SEISMIC EFFECT OF TUNNEL IN THE SATURATED AMBIENCE ON SURFACE STRUCTURES SUBJECTED TO NEAR AND FAR FIELD EARTHQUAKE,” presented at the CONFERENCE ON EARTHQUAKE AND STRUCTURE. 2014, [Online]. Available: https://sid.ir/paper/907563/en

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