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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 49 - 57 (9page)
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In order to avoid collapse of bridges in earthquakes bridge piers are generally designed to attain sufficient ductility. This full-ductility design method has merits for securing the seismic safety readily against strong earthquakes but, it has weakness of high cost design because of excessive safety margin. Recently, in many countries with high seismic technologies, the seismic design concept tends to shift from the collapse prevention design to the performance-based one which requires different performance (damage) levels according to the structural importance. In order to establish this performance-based design method the displacement ductility of confined concrete members should be evaluated quantitatively. And the stress-strain model of confined concrete is indispensible in evaluating displacement ductility. In this study, 6 test groups with different lateral reinforcement ratios were prepared. 10 same specimens with circular section for each group were tested to obtain more reliable test results. The characteristic values necessary for composing the stress-strain model were obtained from experiments. Based on these characteristic values the new stress-strain model modifying the Hoshikuma's one has been proposed.
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참고문헌 (21)
참고문헌 신청
/ 2000 / FEMA 349. Action Plan for Performance Based Seismic Design / Federal Emergency Management Agency
/ 2010 / FEMA P-749. Earthquake-Resistant Design Concepts; An Introduction to the NEHRP Recommended Seismic Provisions for New Buildings and Other Structures / Federal Emergency Manage
Fujii M / 1988 / A strudy on the application of a stress-strain relation of confined concrete / Proc. JCA Cement and Concrete 42 : 311 ~ 314
Hoshikuma J / 1997 / Stress-strain for reinforced concrete it bridge piers / J. Struct. Eng : 624 ~ 633
JAEE / 2004 / Subject and Phenomenon of Performance Based Seismic Design
/ 2010 / FEMA P-749. Earthquake-Resistant Design Concepts; An Introduction to the NEHRP Recommended Seismic Provisions for New Buildings and Other Structures / Federal Emergency Manage
Fujii M / 1988 / A strudy on the application of a stress-strain relation of confined concrete / Proc. JCA Cement and Concrete 42 : 311 ~ 314
Hoshikuma J / 1997 / Stress-strain for reinforced concrete it bridge piers / J. Struct. Eng : 624 ~ 633
JAEE / 2004 / Subject and Phenomenon of Performance Based Seismic Design
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