CSA A123.21-20 机械附着膜屋面系统动态风抬升阻力的标准测试方法 2020

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CSA A123.21:20

National Standard of Canada

Standard test method for the dynamic

wind uplift resistance of

membrane-roofing systems

REVISED JUNE 2020

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Revision History

CSA A123.21:20, Standard test method for the dynamic wind uplift

resistance of membrane-roofing systems

Errata — June 2020 Revision symbol (in

margin)

Clause H.1

Annexes D and F

Figures F.1, F.2, and F.3

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标签： #机械 #测试方法 #CSA

摘要：

本规范为CSA A123.21-20，全称为《机械附着膜屋面系统动态风抬升阻力的标准测试方法（2020年版）》，是加拿大标准协会发布的一项关键行业标准。该标准专门针对机械固定式单层屋面膜系统，规定了在模拟动态风荷载条件下评估其抗抬升性能的标准化测试程序。通过控制风压循环、加载速率与失效判定准则，该测试方法能够有效衡量屋面系统在真实风暴环境中的结构完整性与安全裕度。适用于制造商、设计师、检测机构及工程承包商在进行产品认证、性能对比及质量验收时参考。实施该标准有助于降低屋顶在强风事件中发生剥离或整体

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CSA A123.21-20 机械附着膜屋面系统动态风抬升阻力的标准测试方法 2020

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