3Robertson. Prediction of Vertical Deflections for a Long-Span Prestressed Concrete Bridge Structure[J]. Engineering Structure, 2005, 27(12) : 1820-1827.
4Samuel Vurpillot, Daniele Inaudi and Antonio Scano. Mathematical Model for the Determination of the Vertical Displacement from Internal Horizontat Measurement of a Bridge [J]. Smart Structure and Materials SPIE, 1996, 2719:46-53.
5Stanton J F, Eberhard M O and Parr P J. A WeightedStretched-wire System for Monitoring Deflections[J]. Engineering Structure. 2003, 25:347-357.
6Gethin Wyn Roberts, Xiaolin Meng and Alan Henry Dodson. Integrating a Global Positioning System and Accelerometers to Monitor the Deflection of Bridges[J]. Journal of Surveying Engineering, 2004, 2 (65) : 65-72.
7Merkle W J, Myers J J. Use of the Total Station for Load Testing of Retrofitted Bridges with Limited Access[J]. Proceedings of the SHE - The International Society for Optical Engineering, 2004 5391 ( 1 ) : 687-94.