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Information Journal Paper

Title

PERFORMANCE‑ BASED ASSESSMENT OF RESPONSE REDUCTION FACTOROF RC‑ ELEVATED WATER TANK CONSIDERING SOIL FLEXIBILITY: A CASE STUDY

Pages

  233-247

Abstract

 The seismic design codes/standards of most countries include the nonlinear response of a structure implicitly through aresponse reduction/modification factor (R). It is the factor by which the actual base shear should be reduced to find the designbase shear during design basic earthquake considering nonlinear behavior and deformation limits of structures. In the presentstudy, attempts are made to determine the ‘ R’ factors of four existing RC staging elevated water tanks, which are designedas per draft Indian standards for seismic design of liquid and RC designs and having a ductile detailing considering theeffects of soil flexibility. The elevated RC water tanks are analyzed using displacement controlled non-linear static pushoveranalysis to evaluate the base shear capacity and ductility of tank considering soil flexibility. The ‘ R’ factor is obtained forfour realistic designs of elevated RC water tanks having different capacities at two performance levels. The evaluated valuesof ‘ R’ factor are compared with the values suggested in the design code. The results of the study show that the flexibility ofsupporting soil has considerable effect on response reduction factor, period and overall performance of water tank, indicatingthat idealization of fixity at base may be seriously mistaken for soft soils. All the studied water tanks were designed withhigher safety margin than that of specified in Indian Standards.

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    APA: Copy

    PATEL, KASHYAP N., & AMIN, JIGNESH A.. (2018). PERFORMANCE‑ BASED ASSESSMENT OF RESPONSE REDUCTION FACTOROF RC‑ ELEVATED WATER TANK CONSIDERING SOIL FLEXIBILITY: A CASE STUDY. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 10(3), 233-247. SID. https://sid.ir/paper/319902/en

    Vancouver: Copy

    PATEL KASHYAP N., AMIN JIGNESH A.. PERFORMANCE‑ BASED ASSESSMENT OF RESPONSE REDUCTION FACTOROF RC‑ ELEVATED WATER TANK CONSIDERING SOIL FLEXIBILITY: A CASE STUDY. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2018;10(3):233-247. Available from: https://sid.ir/paper/319902/en

    IEEE: Copy

    KASHYAP N. PATEL, and JIGNESH A. AMIN, “PERFORMANCE‑ BASED ASSESSMENT OF RESPONSE REDUCTION FACTOROF RC‑ ELEVATED WATER TANK CONSIDERING SOIL FLEXIBILITY: A CASE STUDY,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 10, no. 3, pp. 233–247, 2018, [Online]. Available: https://sid.ir/paper/319902/en

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