EFFECT OF FOUNDATION DEPTH ON SEISMIC RESPONSE OF CABLE-STAYED BRIDGES BY CONSIDERING SOIL STRUCTURE INTERACTION

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SHAH SIDDHARTH G.; SOLANKI CHANDRESH H.; DESAI JATIN D.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING Year:2011 | Volume:3 | Issue:2 Page(s): 121-132

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Information Journal Paper

Title

EFFECT OF FOUNDATION DEPTH ON SEISMIC RESPONSE OF CABLE-STAYED BRIDGES BY CONSIDERING SOIL STRUCTURE INTERACTION

Author(s)

SHAH SIDDHARTH G. | SOLANKI CHANDRESH H. | DESAI JATIN D. | Issue Writer Certificate

Keywords

SOIL-STRUCTURE INTERACTION

DYNAMIC ANALYSIS

FOUNDATION SOIL

DEPTH OF FOUNDATION

TIME HISTORY ANALYSIS

Abstract

Post-failure analysis of massive structure infers that SOIL-STRUCTURE INTERACTION (SSI) is a crucial phenomena influencing seismic response of massive structures. Cable-stayed bridge popularity and numbers are increasing nowadays because of economical longer span & aesthetic good look. The current paper examines the effect of DEPTH OF FOUNDATION on seismic response of cable-stayed bridges. In total 16 cases are solved with and without SSI by time-history analysis with Finite Element Program. Full 3D bridge model is developed and soil is modeled by assigning the spring and dashpots as Kelvin element to simulate SSI effects. The result yielded that SSI effects must be considered for soft soil conditions irrespective of the DEPTH OF FOUNDATION. The effects of SSI are site specific and cannot be generalized. However the fundamental time period is increasing as high as 28% due to SSI effects. The DEPTH OF FOUNDATION has also a great role in seismic response of the bridge; the medium depth foundation is proven critical compared to other cases.

Cites

EVALUATION OF SOIL–FOUNDATION-STRUCTURE INTERACTION EFFECTS ON SEISMIC RESPONSE DEMANDS OF MULTI-STORY MRF BUILDINGS ON RAFT FOUNDATIONS

References

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APA: Copy

SHAH, SIDDHARTH G., SOLANKI, CHANDRESH H., & DESAI, JATIN D.. (2011). EFFECT OF FOUNDATION DEPTH ON SEISMIC RESPONSE OF CABLE-STAYED BRIDGES BY CONSIDERING SOIL STRUCTURE INTERACTION. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 3(2), 121-132. SID. https://sid.ir/paper/319713/en

Vancouver: Copy

SHAH SIDDHARTH G., SOLANKI CHANDRESH H., DESAI JATIN D.. EFFECT OF FOUNDATION DEPTH ON SEISMIC RESPONSE OF CABLE-STAYED BRIDGES BY CONSIDERING SOIL STRUCTURE INTERACTION. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2011;3(2):121-132. Available from: https://sid.ir/paper/319713/en

IEEE: Copy

SIDDHARTH G. SHAH, CHANDRESH H. SOLANKI, and JATIN D. DESAI, “EFFECT OF FOUNDATION DEPTH ON SEISMIC RESPONSE OF CABLE-STAYED BRIDGES BY CONSIDERING SOIL STRUCTURE INTERACTION,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 3, no. 2, pp. 121–132, 2011, [Online]. Available: https://sid.ir/paper/319713/en

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