Wind and Structures

  • 제6권1호
  • /
  • Pages.1-22
  • /
  • 2003
  • /
  • 1226-6116(pISSN)
  • /
  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

3-D wind-induced effects on bridges during balanced cantilever erection stages

  • 투고 : 2002.02.16
  • 심사 : 2002.10.03
  • 발행 : 2003.02.25
⟨ 이전 논문 다음 논문 ⟩

초록

Nowadays balanced cantilever construction plays an essential role as a sophisticated erection technique of bridges due to its economical and ecological advantages. Experience teaches that wind has a great importance with regard to this construction technique, but methods proposed by codes to take wind effects into account are still rather crude and, in most cases, completely lacking. Also research in this field is quite limited and aimed at studying only the longitudinal shear and the torque at the pier base, caused by the mean wind velocity and by the longitudinal turbulence actions over the deck. This paper advances the present solutions by developing a new procedure that takes into account all wind effects both on the deck and on the pier. The proposed model assumes the mean wind velocity as orthogonal to the bridge plane and considers the effects produced by all the three turbulence components and by the vortex shedding. The applications point out the role of each loading component on different bridge configurations and show that disregarding the presence of some effects may imply oversimplified results and relevant underestimations.

키워드

참고문헌

  1. AASHTO (1996), Standard Specifications for Highway Bridges, 16th Edition, American Association for State Highway and Transportation Officials.
  2. Aas-Jakobsen K., Strfmmen E. (1999), "Dynamic response of a box girder bridge during construction", Proc., 10th Int. Conf. on Wind Engineering, Copenhagen, 827-832.
  3. Davenport, A.G. (1995), "How can we simplify and generalize wind loads", J. Wind Eng. Ind. Aerod., 54-55, 657-669. https://doi.org/10.1016/0167-6105(94)00079-S
  4. Dyrbye, C. and Hansen, S.O. (1997), Wind Loads on Structures. New York, Wiley.
  5. Engineering Sciences Data Unit (1990), Dynamic response to vortex shedding. Part I: calculation procedures and derivation. ESDU Item 85038, London, U.K..
  6. Holmes, J.D. (1994), "Along-wind response of lattice towers: part I - derivation of expressions for gust response factors", Eng. Struct., 16, 287-292. https://doi.org/10.1016/0141-0296(94)90069-8
  7. Holmes, J.D. (2002), "Effective static load distributions in wind engineering", J. Wind Eng. Ind. Aerod., 90, 91- 109. https://doi.org/10.1016/S0167-6105(01)00164-7
  8. Kasperski, M. (1992), "Extreme wind load distributions for linear and nonlinear design", Eng. Struct., 14, 27-34. https://doi.org/10.1016/0141-0296(92)90005-B
  9. Mendes, P.A. and Branco, F.A. (2001), "Unbalanced wind buffeting effects on brides during double cantilever erection stages", Wind & Struct., 4(1), 45-62. https://doi.org/10.12989/was.2001.4.1.045
  10. Piccardo, G. and Solari, G. (1998), "Closed form prediction of 3-D wind-excited response of slender structures", J. Wind Eng. Ind. Aerod., 74-76, 697-708. https://doi.org/10.1016/S0167-6105(98)00063-4
  11. Piccardo, G. and Solari, G. (2000), "3-D wind-excited response of slender structures: Closed form solution", J. Struct. Engng., ASCE, 126(8), 936-943. https://doi.org/10.1061/(ASCE)0733-9445(2000)126:8(936)
  12. Piccardo, G. and Solari, G. (2002), "3-D gust effect factor for slender vertical structures", Prob. Eng. Mech., 17, 143-155. https://doi.org/10.1016/S0266-8920(01)00034-0
  13. Schmidt, S. (2001), "Wind-induced effects during balanced cantilever erection stages of bridges", Diploma Thesis, Bauhaus-University Weimar, Germany.
  14. Solari, G. (1985), "Mathematical model to predict 3-D wind loading on buildings", J. Eng. Mech., ASCE, 111, 254-276. https://doi.org/10.1061/(ASCE)0733-9399(1985)111:2(254)
  15. Solari, G. and Piccardo, G. (2001), "Probabilistic 3-D turbulence modelling for gust buffeting of structures", Prob. Eng. Mech., 16, 73-86. https://doi.org/10.1016/S0266-8920(00)00010-2
  16. Solari, G. (1989), "Wind response spectrum", J. Eng. Mech., ASCE, 115, 2057-2073. https://doi.org/10.1061/(ASCE)0733-9399(1989)115:9(2057)
  17. Vickery, B.J. and Basu, R.I. (1983), "Across-wind vibrations of structures of circular cross-section. Part I: development of a mathematical model for two-dimensional conditions; Part II: development of a mathematical model for full-scale application", J. Wind Eng. Ind. Aerod., 12, 49-74; 75-97. https://doi.org/10.1016/0167-6105(83)90080-6
  18. Vickery, B.J. and Clark, W. (1972), "Lift or across-wind response of tapered stacks", J. Struct. Div., ASCE, 98, 1-20.

피인용 문헌

  1. Performance-Based Design in risk assessment and reduction vol.23, pp.4, 2008, https://doi.org/10.1016/j.probengmech.2008.01.007
  2. Energy Harvester Based on the Synchronization Phenomenon of a Circular Cylinder vol.2014, 2014, https://doi.org/10.1155/2014/567357
  3. Wind loads and effects on rigid frame bridges with twin-legged high piers at erection stages vol.20, pp.10, 2017, https://doi.org/10.1177/1369433216684350
  4. The Wind-Induced Response of High-Pier Long-Span Continuous Rigid Frame Bridge vol.639-640, pp.1662-8985, 2013, https://doi.org/10.4028/www.scientific.net/AMR.639-640.502
  5. Statistics and probability analysis of vehicle overloads on a rigid frame bridge from long-term monitored strains vol.9, pp.3, 2012, https://doi.org/10.12989/sss.2012.9.3.287
  6. A simplified frequency formula for post-tensioned balanced cantilever bridges vol.20, pp.7, 2003, https://doi.org/10.1007/s42107-019-00160-y