SEISMIC CHARACTERISTICS OF TUNNEL FORM CONCRETE BUILDINGS WITH IRREGULAR PLAN

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BEHESHTI AVAL S.B.; MOHSENIAN V.; NIKPOUR N.

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Paper Information

Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2015 | Volume:5 | Issue:3 Page(s): 1-15

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Title

SEISMIC CHARACTERISTICS OF TUNNEL FORM CONCRETE BUILDINGS WITH IRREGULAR PLAN

Author(s)

BEHESHTI AVAL S.B. | MOHSENIAN V. | NIKPOUR N. | Issue Writer Certificate

Keywords

TUNNEL FORM SYSTEMQ2

IRREGULAR PLANQ2

RESPONSE MODIFICATION FACTORQ2

FRAGILITY CURVESQ2

UNCOUPLED FREQUENCIES RATIOQ2

Abstract

The necessity of being regular in plan and elevation of concrete tunnel form buildings in spite of accelerating the manufacturing process and high quality assurance, following several limitations in architectural design and puts limits on the application of this system in areas where there is no possibility of symmetrical construction. Loss of exact amount for R-factor in the current earthquake regulations is a major challenge in design of these structures by force. In this study, the seismic behavior of two-tunnel form structures with 5 and 10 stories with irregular floor plans is investigated and the coefficients of demand and capacity, respectively, based on seismic demand and capacity of structure have been calculated. Also, uncoupled frequency ratios and FRAGILITY CURVES are determined for studied models by incremental dynamic analysis (IDA). The results show high capacity of the system and flexible torsional behavior of the structures due to their irregularity. Since both structures are placed in the immediate occupancy performance level in design earthquake, it seems that criteria which necessitate tunnel form structures to be regular in plan, are strict and prudent for the studied structures.

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APA: Copy

BEHESHTI AVAL, S.B., MOHSENIAN, V., & NIKPOUR, N.. (2015). SEISMIC CHARACTERISTICS OF TUNNEL FORM CONCRETE BUILDINGS WITH IRREGULAR PLAN. JOURNAL OF SOLID AND FLUID MECHANICS, 5(3), 1-15. SID. https://sid.ir/paper/212755/en

Vancouver: Copy

BEHESHTI AVAL S.B., MOHSENIAN V., NIKPOUR N.. SEISMIC CHARACTERISTICS OF TUNNEL FORM CONCRETE BUILDINGS WITH IRREGULAR PLAN. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2015;5(3):1-15. Available from: https://sid.ir/paper/212755/en

IEEE: Copy

S.B. BEHESHTI AVAL, V. MOHSENIAN, and N. NIKPOUR, “SEISMIC CHARACTERISTICS OF TUNNEL FORM CONCRETE BUILDINGS WITH IRREGULAR PLAN,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 5, no. 3, pp. 1–15, 2015, [Online]. Available: https://sid.ir/paper/212755/en

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