摘要
本文考虑了预应力钢索对临力的增大作用，用梁的平衡微分方程及能量法推导了临界力的计算公式，结果表明，对于预应力混凝土Ｔ梁，由于预应力钢索恢复力的作用，使得梁的临界荷载增大许多，其临界荷载相当大。
Nowadays the span of a prestressed concrete T beam is considerably larged The span of many bridgedhas s 50m in T beam bridge engineering. The horbotal stability of a prestressed concrete Tbeam is being resereched by engineers and other scholars. The limit load of T beams must include thefunction of the Prestreedng fprce sted rod. This paper puts forward a computation method of the limittaatching force with the equalization differenhal equahon methane and the energy method. The raftsof the analyais show that the limit stretching force of hotizontsl stability is cotalerably large for prestressed concrete T beams.
出处
《武汉城市建设学院学报》
1994年第2期34-40,共7页
Journal of Wuhan Urban Construction Institute
