GB/T 9966.9-2021
天然石材试验方法 第9部分:通过测量共振基本频率测定动力弹性模数
Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency
- 实施日期
- 2021-12-01
- ICS 分类
- 91.100.15
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 1,877 条
GB/T 9966.9-2021
Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency
GB/T 9966.13-2021
Test methods for natural stone—Part 13: Determination of water absorption coefficient by capillarity
GB/T 9966.11-2021
Test methods for natural stone—Part 11: Determination of resistance to ageing by cold and thermal shock
GB/T 40081-2021
Automatic rescue operation device for lifts
GB/T 40048-2021
Test methods for bolted connections in structural wood and wood-based materials
GB/T 39969-2021
Test method of ventilation and rain resistance performance for ventilation louvers of building
GB/T 39968-2021
Technical specification of ventilation louvers for building
GB/T 16895.32-2021
Low voltage electrical installations—Part 7-712: Requirements for special installations or locations—Solar photovoltaic (PV) power supply systems
GB/T 9966.18-2021
Test methods for natural stone—Part 18: Petrographic examination
GB/T 9966.17-2021
Test methods for natural stone—Part 17: Determination of resistance to salt crystallization
GB/T 9966.16-2021
Test methods for natural stone—Part 16: Determination of linear thermal expansion coefficient
GB/T 9966.15-2021
Test methods for natural stone—Part 15: Determination of resistance ageing by salt mist
GB/T 9966.14-2021
Test methods for natural stone—Part 14: Determination of rupture energy
GB/T 9966.12-2021
Test methods for natural stone—Part 12:Determination of static elastic modulus
GB/T 9966.10-2021
Test methods for natural stone—Part 10: Determination of resistance to shaking for individual stone anchoragest
GB/T 6165-2021
Test method of the performance of high efficiency particulate air filter—Efficiency and resistance
GB/T 39866-2021
Technical requirement of appendent frame for window and door in building
GB/T 39858-2021
Tunnel pre-cutting machine
GB/T 39841-2021
Ultrasonic gas meters
GB/T 39804-2021
Method for determination of leachable harmful substances in wall materials