Sponsored by the National Natural Science Foundation of China(Grant No.51178042;51308159;51578047);the National High Technology Research and Development Program Project(Grant No.2008AA11Z102);China Railway Corporation Research and Development of Science and Technology Plan Project(Grant No.2014G004-B);China Communications Construction Co.;LTD Science and Technology Research and Development Projects(Grant No.2014-ZJKJ-03)
In order to investigate and research the fatigue cracking of prestressed concrete fatigue properties and loading and stiffness degeneration process,cyclic loading tests were carried out on six prestressed concrete bea...