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现行 ASTM A849-15(2021)
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Standard Specification for Post-Applied Coatings, Pavings, and Linings for Corrugated Steel Sewer and Drainage Pipe 波纹钢下水道和排水管后期涂层 铺路和衬里的标准规范
发布日期: 2021-03-01
1.1 本规范涵盖波纹钢管和波纹钢结构板管、管拱以及在金属涂层或具有聚合物涂层的金属涂层上涂覆、铺设或内衬指定材料的拱的后涂覆涂层、铺面和衬里。本规范包括沥青、聚合沥青、聚合物、胶泥和乳液涂料、沥青和混凝土路面和衬里,以及现场应用的沥青和胶泥涂料。规范涵盖了现场应用的混凝土路面和衬砌 A979/A979M . 规范中描述了涂覆涂层的管道 A760/A760M , A761/A761M 和 A762/A762M . 1.2 目前,管道涂层实践中不包括清洁操作。然而,经验表明,清洁的基材对低温和高温都有良好的粘附性- 和热喷涂后涂层。后涂层或衬里或两者的性能将取决于其表面的清洁度。 1.3 以英寸-磅为单位的数值应视为标准值。括号中给出的值仅供参考。 1.4 以下安全危险警告仅适用于试验方法部分、章节 11 和 12 ,符合本规范。 本标准并非旨在解决与其使用相关的所有安全问题(如有)。本标准的用户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。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒(TBT)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》中确立的国际公认标准化原则制定的。
1.1 This specification covers post-applied coatings, pavings, and linings for corrugated steel pipe and corrugated steel structural plate pipe, pipe-arches, and arches coated, paved, or lined with specified materials over either metallic coatings or metallic coatings with polymer coatings. This specification includes asphalt, polymerized asphalt, polymer, mastic, and emulsion coatings and asphalt and concrete pavements and linings applied to the pipe in the producing plant, as well as, asphalt and mastic coatings applied in the field. Field-applied concrete pavements and linings are covered by Specification A979/A979M . The pipe to which the coatings are applied is described in Specifications A760/A760M , A761/A761M , and A762/A762M . 1.2 There is no cleaning operation currently included in pipe coating practice. However, experience has shown that a clean substrate provides good adherence for both cold- and hot-applied post coatings. The performance of post coating or lining, or both, will depend on the surface cleanliness over which it is applied. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in brackets are for information only. 1.4 The following safety hazards caveat pertains only to the test methods portions, Sections 11 and 12 , of this specification. 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. 1.5 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.
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归口单位: A05.17
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