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Standard Test Method for Fire Tests of Penetration Firestop Systems 贯穿件防火系统的防火试验的标准试验方法
发布日期: 2024-05-01
1.1 本试验方法适用于各种材料和结构的阻火系统。防火系统适用于根据试验方法进行评估的耐火墙和地板的开口 E119 . 1.2 按照本试验方法进行的试验记录了试验暴露期间的阻火系统性能;但此类试验不应被解释为确定挡火系统在试验暴露后的适用性。 1.3 该试验方法还测量了阻火器系统对软管流刺激的外力的抵抗力。然而,当受到诸如电缆支撑系统故障和坠落碎片等力的作用时,该试验方法不应被解释为在实际火灾条件下确定防火系统的性能。 1.4 本试验方法的目的是开发数据,以帮助其他人确定防火挡块是否适合在需要耐火性的地方使用。 1.5 本试验方法不适用于根据试验方法作为组件一部分进行试验的地板-天花板组件或屋顶-天花板组件的薄膜贯穿件 E119 . 1.6 本试验方法不适用于承重墙的薄膜贯穿件。 1.7 以英寸磅为单位的数值应视为标准。括号中给出的值是国际单位制的数学转换,仅供参考,不被视为标准。 1.8 本标准用于测量和描述材料、产品或组件在受控条件下对热量和火焰的响应,但其本身并未包含火灾所需的所有因素- 材料、产品或组件在实际火灾条件下的危险或火灾风险评估。 1.9 本标准并不旨在解决与其使用相关的所有安全问题(如有)。本标准的使用者有责任在使用前制定适当的安全、健康和环境实践,并确定监管限制的适用性。 1.10 本标准的文本引用了提供解释性材料的注释和脚注。这些注释和脚注(不包括表和图中的注释和脚注)不应被视为本标准的要求。 1.11 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。 ====意义和用途====== 5.1 该试验方法用于确定挡火系统在暴露于标准时间温度火灾试验和软管流试验时的性能。阻火系统的性能取决于测试材料的具体组件,包括贯穿件的数量、类型和尺寸以及安装阻火系统所在的地板或墙壁。 5.2 每个阻火系统应建立两个额定值。一 F 额定值应基于未暴露表面上的火焰发生,而 T 额定值应基于阻火系统未暴露侧的温升和火焰发生情况。这些评级,以及详细的性能数据,如通过的位置- 贯穿件的开口和温度是评估阻火系统性能的一个因素。
1.1 This test method is applicable to firestop systems of various materials and construction. Firestop systems are intended for use in openings in fire-resistive walls and floors that are evaluated in accordance with Test Methods E119 . 1.2 Tests conducted in conformance with this test method record firestop system performance during the test exposure; but such tests shall not be construed to determine suitability of the firestop system for use after test exposure. 1.3 This test method also measures the resistance of firestop systems to an external force stimulated by a hose stream. However, this test method shall not be construed as determining the performance of the firestop system during actual fire conditions when subjected to forces such as failure of cable support systems and falling debris. 1.4 The intent of this test method is to develop data to assist others in determining the suitability of the firestops for use where fire resistance is required. 1.5 This test method does not apply to membrane penetrations of a floor-ceiling assembly or roof-ceiling assembly that are tested as part of the assembly in accordance with Test Methods E119 . 1.6 This test method does not apply to membrane penetrations of load-bearing walls. 1.7 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.8 This standard is used to measure and describe the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire-hazard or fire-risk assessment of materials, products, or assemblies under actual fire conditions. 1.9 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.10 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered requirements of the standard. 1.11 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 This test method is used to determine the performance of a firestop system with respect to exposure to a standard time-temperature fire test and a hose stream test. The performance of a firestop system is dependent upon the specific assembly of materials tested including the number, type, and size of penetrations and the floors or walls in which it is installed. 5.2 Two ratings shall be established for each firestop system. An F rating shall be based upon flame occurrence on the unexposed surface, while the T rating shall be based upon the temperature rise as well as flame occurrence on the unexposed side of the firestop system. These ratings, together with detailed performance data such as the location of through-openings and temperatures of penetrating items are intended to be one factor in assessing performance of firestop systems.
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归口单位: E05.11
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