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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.17 No.5
- 발행연도
- 2016.1
- 수록면
- 567 - 578 (12page)
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초록· 키워드
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As concrete is most usable material in construction industry it’s been required to improve its quality. Nowadays, nanotechnology offers the possibility of great advances in construction. For the first time, the nonlinear buckling of straight concrete columns armed with single-walled carbon nanotubes (SWCNTs) resting on foundation is investigated in the present study. The column is modelled with Euler-Bernoulli and Timoshenko beam theories. The characteristics of the equivalent composite being determined using mixture rule. The foundation around the column is simulated with spring and shear layer. Employing nonlinear strains-displacements, energy methods and Hamilton's principal, the governing equations are derived. Differential quadrature method (DQM) is used in order to obtain the buckling load of structure. The influences of volume percent of SWCNTs, geometrical parameters, elastic foundation and boundary conditions on the buckling of column are investigated. Numerical results indicate that reinforcing the concrete column with SWCNTs, the structure becomes stiffer and the buckling load increases with respect to concrete column armed with steel.
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참고문헌 (21)
참고문헌 신청
Bae, S. / 2005 / Inelastic buckling of reinforcing bars / J. Struct. Eng 131(2):314~321
Bajc, U. / 2015 / Semi-analytical buckling analysis of reinforced concrete columns exposed to fire / Fire Safety J 71:110~122
Brush, D.O / 1975 / Buckling of bars, plates and shells / McGraw-Hill
Dhakal, R.P / 2002 / Modeling for postyield buckling of reinforcement / J. Struct. Eng 128(9):1139~1147
Dhakal, R.P / 2002 / Reinforcement stability and fracture of cover concrete in reinforced concrete members / J. Struct. Eng 128(10):1253~1262
Bajc, U. / 2015 / Semi-analytical buckling analysis of reinforced concrete columns exposed to fire / Fire Safety J 71:110~122
Brush, D.O / 1975 / Buckling of bars, plates and shells / McGraw-Hill
Dhakal, R.P / 2002 / Modeling for postyield buckling of reinforcement / J. Struct. Eng 128(9):1139~1147
Dhakal, R.P / 2002 / Reinforcement stability and fracture of cover concrete in reinforced concrete members / J. Struct. Eng 128(10):1253~1262
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