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- W2371671434 abstract "Under the action of a prestressing force,the camber deformation of a PC simply supported girder develops slowly due to concrete creep effect.Creep effect analysis is a necessity for the design and construction of a simply supported girder.Any inaccurate preestimation of the concrete creep effect will lead to an unevenness of the elevation linetype of the girder,which will seriously impact traffic safety and passenger comfort.It even leads to such a paranormal camber deformation that the girder becomes unuseful at all.This effect is graver for high-speed railways.Enough attention should be paid to it.In this paper,we used a PC box girder casted-in-site on a double-track railway line to calculate the deformation of the girder under loading action of prestressing tension,girder erection and ballast covering.We adopted the program of MIDAS/Civil and other methods to calculate the creep coefficient and then compared the calculated result with the measured one.Comparison indicates that the calculated value is well matched with the measured value." @default.
- W2371671434 created "2016-06-24" @default.
- W2371671434 creator A5042062615 @default.
- W2371671434 date "2007-01-01" @default.
- W2371671434 modified "2023-09-23" @default.
- W2371671434 title "Camber Analysis of a Whole PC Box Girder on Double-track Railway" @default.
- W2371671434 hasPublicationYear "2007" @default.
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