순수 비틀림을 받는 프리스트레스트 콘크리트 부재의 장기거동에 관한 연구

Time-Dependent Analysis of Prestressed Concrete Members Subjected to Pure Torsion

Time dependent analysis of prestressed concrete beams subjected to pure torsion is studied. The present theory covers the behavior from the service load range to the ultimate stage. The tensile resistance of concrete is appropriately considered. The biaxial stress effects due to diagonal cracking are also taken into account. The time dependent aging, creep and shringkage effects are modelled by employing the equivalent nonmechanical torque concept. The present theory allows more accurate prediction of the service load behavior of pretressed concrete members.