4ZHOU Jian-min.Prediction and control of the camber of prestressed concrete beam[J].Journal of Shanghai Tie Dao University:Natural Science,2002,24(6):44-47.
5GUO Xue-Dong,JIANG Hao.Control technique for construction of long-span prestressed concrete bridge[J].Journal of Jilin University,2006,36:34-37.
6Titas D.Evaluation of work safety control systems in construction[J].Journal of Civil Engineering and Management,2005,10(2):93-98.