THE EFFECT OF VERTICAL COMPONENT OF EARTHQUAKE ON CONTINUOUS AND MONOLITHIC FRAME BRIDGES

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DELNAVAZ A.; RAHAEE A.

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Journal Paper

Paper Information

Journal: JOURNAL OF STRUCTURAL ENGINEERING AND GEOTECHNICS Year:2012 | Volume:2 | Issue:PRI. NO. 1 Page(s): 61-66

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Information Journal Paper

Title

THE EFFECT OF VERTICAL COMPONENT OF EARTHQUAKE ON CONTINUOUS AND MONOLITHIC FRAME BRIDGES

Author(s)

DELNAVAZ A. | RAHAEE A. | Issue Writer Certificate

Keywords

MONOLITHIC BRIDGE

CONTINUOUS FRAME

EARTHQUAKE

VERTICAL COMPONENT

Abstract

Performance of structures during recent EARTHQUAKEs shows that the effect of VERTICAL COMPONENT of EARTHQUAKE (VCE) could be considered as one of the main causes of bridges collapse. In most of bridge design codes, for seismic analysis of bridges, VCE is not taken into account or a distinguished method isn’t presented for assessment of VCE. In the present work, the effect of VCE on two existing bridges, one with continuous deck and the other with monolithic frame system, was studied. The first model consisted of a pre-stress bridge in which the superstructure was connected rigidly to piers. The super structure consisted of 3 spans with length of 16, 48 and 16 m. The end of side slabs was put on abutments. The second model was a bridge with steel deck and concrete piers. The bridge superstructure was composed of I girder beams and in-place concrete slab. The beams were placed on 3 piers located 24 m far from each other, continually. In both models, the effect of VCE was studied considering the 3 acceleration of Tabas, Northridge and Kobe EARTHQUAKEs and using linear and nonlinear time history and spectrum analysis on 3D models. In each analysis, the model was analyzed considering the 3 component and 2 horizontal components of EARTHQUAKEs separately. The ratio of the difference of results in two analyses to the result of bridge response under its weight (DL) was compared. Through this method the amount of VCE effect on affected elements (according to statistical system of bridge) was found out.

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References

THE EFFECT OF VERTICAL MOTION ON SEISMIC RESPONSE OF HIGHWAY BRIDGES

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APA: Copy

DELNAVAZ, A., & RAHAEE, A.. (2012). THE EFFECT OF VERTICAL COMPONENT OF EARTHQUAKE ON CONTINUOUS AND MONOLITHIC FRAME BRIDGES. JOURNAL OF STRUCTURAL ENGINEERING AND GEOTECHNICS, 2(PRI. NO. 1), 61-66. SID. https://sid.ir/paper/339368/en

Vancouver: Copy

DELNAVAZ A., RAHAEE A.. THE EFFECT OF VERTICAL COMPONENT OF EARTHQUAKE ON CONTINUOUS AND MONOLITHIC FRAME BRIDGES. JOURNAL OF STRUCTURAL ENGINEERING AND GEOTECHNICS[Internet]. 2012;2(PRI. NO. 1):61-66. Available from: https://sid.ir/paper/339368/en

IEEE: Copy

A. DELNAVAZ, and A. RAHAEE, “THE EFFECT OF VERTICAL COMPONENT OF EARTHQUAKE ON CONTINUOUS AND MONOLITHIC FRAME BRIDGES,” JOURNAL OF STRUCTURAL ENGINEERING AND GEOTECHNICS, vol. 2, no. PRI. NO. 1, pp. 61–66, 2012, [Online]. Available: https://sid.ir/paper/339368/en

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