【摘要】 对实际工程中提出的、在地震区某些大跨重载部分预应力梁中采用有粘结预应力筋与无粘结预应力筋结合配筋的问题进行了探讨，并提出若干建议供设计人员参考。更多还原

【Abstract】 A subject brought up in actual engineering is discussed in this paper,which is on the composite reinforcement of bonded and unbonded strands used in some partially prestressed beams with large span and heavy load in seismic areas. Some suggestions are also offered to the designers by the authors.更多还原