6PODOLNY W J. The Cause of Cracking in Post Tensioned Concrete Box Girder Bridges and Retrofit Procedures[J].PCI Journal, 1985,30(2) :82-139.
7CHATELAIN J, GODART B, DUCHENE J L. Detection, Diagnosis, and Monitoring of Cracked Pres tressed Concrete Bridges [C]//NOWAD A S. Proceedings of the NATO Advanced Research Workshop on Bridge Evaluation,Repair and Rehabilitation. Dordrecht : Kluwer Academic Publishers, 1990 : 145-159.
8MOON D Y,SIM J, OH H. Practical Crack Control During the Construction of Precast Segmental Box Girder Bridges[J]. Computers & Structures, 2005,83 (31/32) :2584-2593.