전단파괴가 발생한 기둥의 이력거동 예측을 위한 매개변수 결정방법 제안
Calibration Methodology for Predicting Hysteretic Behavior of Reinforced Concrete Columns Failed in Shear
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초록
Columns in existing reinforced concrete structures that are designed and constructed without considering seismic loads generally exhibit widely spaced transverse reinforcements without using seismic hooks. Due to the insufficient reinforcement details in columns compared to the reinforcement requirements specified in modern seismic codes, brittle shear failure is likely to occur. This may lead to sudden collapse of entire structure during earthquakes. Adequate retrofit strategy is required for these columns to avoid such catastrophic event. In order to do so, behavior of columns in existing reinforced concrete structures should be accurately predicted through computational analysis. In this study, an analytical model is proposed for accurately simulating the cyclic behavior of shear critical columns. The parameters for backbone, as well as pinching and cyclic deterioration in strength and stiffness are calibrated using test data of column specimens failed by shear.
Abstract
Columns in existing reinforced concrete structures that are designed and constructed without considering seismic loads generally exhibit widely spaced transverse reinforcements without using seismic hooks. Due to the insufficient reinforcement details in columns compared to the reinforcement requirements specified in modern seismic codes, brittle shear failure is likely to occur. This may lead to sudden collapse of entire structure during earthquakes. Adequate retrofit strategy is required for these columns to avoid such catastrophic event. In order to do so, behavior of columns in existing reinforced concrete structures should be accurately predicted through computational analysis. In this study, an analytical model is proposed for accurately simulating the cyclic behavior of shear critical columns. The parameters for backbone, as well as pinching and cyclic deterioration in strength and stiffness are calibrated using test data of column specimens failed by shear.
참고문헌 (22)
- Baradaran Shoraka H, "Collapse assessment of non-ductile reinforced concrete moment frames", PhD, pp.2012
- Ibarra LF, "Hysteretic models that incorporate strength and stiffness deterioration", Earthquake Eng Struct, 34(12), pp.1489~1511 (2005)
- Lignos DG, "Deterioration modeling of steel components in support of collapse prediction of steel moment frames under earthquake loading", J Struct Eng, 137(11), pp.1291~1302 (2010)
- A beam-column joint model for simulating the earthquake response of reinforced concrete frames, "Lowes LN", Pacific Earthquake Engineering Research Center, ~ (2003)
- Assessing seismic collapse safety of modern reinforced concrete moment frame buildings, "Haselton CB", Pacific Earthquake Engineering Research Center, ~ (2007)
- Elwood KJ, "Dynamic collapse analysis for a reinforced concrete frame sustaining shear and axial failures", Earthquake Engineering & Structural Dynamics, 37(7), pp.991~1012 (2008)
- Ghannoum WM, "Rotation-based shear failure model for lightly confined RC columns", J Struct Eng, 138(10), pp.1267~1278 (2012)
- LeBorgne MR, "Analytical Element for Simulating Lateral-Strength Degradation in Reinforced Concrete Columns and Other Frame Members", J Struct Eng, 140(7), pp.04014038~ (2014)
- Sezen H, "Hysteretic model for reinforced concrete columns including the effect of shear and axial load failure", J Struct Eng, 135(2), pp.139~146 (2009)
- Nagasaka T, "Effectiveness of Steel Fiber as Web Reinforcement in Reinforced Concrete Columns", Transactions of the Japan Concrete Institute, 4(1), pp.493~500 (1982)
- Imai H, "A Study on Causes of Earthquake Damage of Izumi High School Due to Miyagi-Ken-Oki Earthquake in 1978", Transactions of the Japan Concrete Institute, 8(1), pp.405~418 (1986)
- Zhou X, "Behavior of Reinforced Concrete Short Column Under High Axial Load", Transactions of the Japan Concrete Institute, 9(1), pp.541~548 (1987)
- Arakawa T, "Shear Resisting Behavior of Short Reinforced Concrete Columns Under Biaxial Bending-Shear and varying axial load", Transactions of the Japan Concrete Institute, 11, pp.317~324 (1989)
- Shear Strength Decay in Reinforced Concrete Columns Subjected to Large Deflection Reversals, "Wight JK", Civil Engineering Studies, University of Illinois Urbana-Champaign, 290~, pp.Structural Research Series No. 403 (1973)
- Shear Strength and Deterioration of Short Reinforced Concrete Columns Under Cyclic Deformations, "Umehara H", Department of Civil Engineering, University of Texas at Austin, 256~, pp.PMFSEL Report No. 82-3 (1982)
- Behavior of Strengthened and Repaired Reinforced Concrete Columns Under Cyclic Deformations, "Bett BJ", Department of Civil Engineering, University of Texas at Austin, ~, pp.PMFSEL Report No. 85- (1985)
- Lynn A, "Seismic Evaluation of Existing Reinforced Concrete Building Columns", Earthquake Spectra, 12(4), pp.715~739 (1996)
- Aboutaha RS, "Rehabilitation of Shear Critical Concrete Columns by Use of Rectangular Steel Jackets", ACI Structural Journal, 96(1), pp.68~78 (1999), American Concrete Institute
- Ohue M, "The Behavior of R.C. Short Columns Failing in Splitting Bond-Shear Under Dynamic Lateral Loading", Transactions of the Japan Concrete Institute, 7(1), pp.293~300 (1985)
- Ono A, "Elasto-Plastic Behavior of Reinforced Concrete Column With Fluctuating Axial Force", Transactions of the Japan Concrete Institute, 11, pp.239~246 (1989)
- McKenna FT, "Object-oriented finite element programming: Frameworks for analysis, algorithms and parallel computing", Ph.D, Department of Civil Engineering, pp.1997
- Park YJ, "Mechanistic seismic damage model for reinforced concrete", J Struct Eng, 111(4), pp.722~739 (1985)