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在顶板与墙体 (或圈梁 )间设置滑动层可以减小混合结构顶层墙体温度应力 ,避免温度裂缝 .在墙体温度应力分析的基础上 ,提出按圈梁及墙体抗裂能力确定滑动层设置范围 .设置滑动层后 ,按顶板与圈梁间抗剪能力验算抗震性能 ;在保证顶板与圈梁间可靠性的前提下 ,对顶层楼板间采取必要的拉结措施 ,以保证其在地震作用下的整体性 .通过对试验墙体的分析 ,6度设防情况下 ,滑动层的理论设置长度一般能够满足抗震设防要求 .
The sliding layer between the roof and the wall (or the ring beam) can reduce the temperature stress of the top wall of the hybrid structure and avoid the temperature cracks.Based on the temperature stress analysis of the wall, the crack resistance of the ring beam and the wall is determined Set the sliding layer range.After setting the sliding layer, according to the shear capacity between the roof and the ring beam checking the seismic performance; under the premise of ensuring the reliability between the roof and the ring beam, take the necessary steps between the roof floor to ensure its Under the earthquake, the integrity of the wall through the analysis of the test, 6 degrees fortification case, the theoretical length of the sliding layer to meet the general seismic requirements.