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Frame tunnel bridges are commonly selected when overhead crossing bridges at intersection of railway and highway are built. In these situations jacking construction method is frequently used for the frame tunnel bridge. During construction of tunnel bridges there are some important safety risks. Field monitoring of a frame tunnel bridge, Dengzhuang Bridge, during jacking construction is presented...
A sensor system, developed in a previous laboratory study [McCarter WJ, Emerson M, Ezirim H. Properties of concrete in the cover-zone: developments in monitoring techniques. Mag Conc Res 1995;47(172):243–51; Chrisp TM, McCarter WJ, Starrs G, Basheer PAM, Blewett J. Depth related variation in conductivity to study wetting and drying of cover-zone concrete. Cem Conc Comp 2002;24(5):415–27], is used...
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