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平面外受力设计和计算,是配筋砌块砌体剪力墙设计中很重要的课题,现行的砌体结构设计和建筑抗震设计规范,对此均未涉及。实际工程中若不考虑剪力墙的平面外受力,有可能给工程带来安全隐患。现行抗震规范第九章中针对单层工业厂房采用混凝土砌块并未提及,从而大大限制了砌块材料的应用范围。对于现行规范存在的上述不足,建议进一步加强这方面的试验研究。目前设计阶段可先直接借鉴美国UBC规定,以弥补现行规范不足带来的缺憾,更利于混凝土砌块的推广应用。
The design and calculation of out-of-plane force is an important issue in the design of reinforced masonry shear walls. The current masonry structure design and building seismic design specifications are not involved. If we do not consider the out-of-plane force of the shear wall in the actual project, it is possible to bring security risks to the project. The ninth chapter of the current seismic code does not mention concrete block for single-layer industrial plant, which greatly limits the application range of block materials. For the existing shortcomings of the existing norms, it is recommended to further strengthen the pilot study in this area. At present, the design stage can be directly borrowed from the UBC US regulations to make up for the shortcomings of the current lack of norms, but also conducive to the promotion of the application of concrete blocks.