在屋面和零层板设置双向无粘结预应力钢筋；
Installation of unbonded pre-stressed steel in the ground floor and other floors; 6.
同时还应用了环形无粘结预应力钢筋张拉技术。
The ring unbonded prestressed reinforcements tension technique was also used at the same time.
为了保证无粘结预应力砼结构能顺利张拉，本文同时也论述了无粘结预应力钢筋砼结构能顺利张拉前的裂缝控制。
In order to guarantee drawing rightly for unbonded prestressed concrete structure, crack control measures before drawing are illuminated in this paper.
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