部分预应力混凝土梁无粘结筋极限应力的研究
杜拱辰,陶学康
A Study of the Ultimate Stress of Unbonded Tendons in Partially Prestressed Concrete Beams
Du Gongchen Tao Xuekang( China Academy of Building Research )
建筑结构学报 . 1985, (06): 2 -13 .