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Standard Specification for Concrete Roof Pavers (Withdrawn 2023)
NORMA vydaná dňa 15.12.2019
Označenie normy: ASTM C1491-19
Poznámka: NEPLATNÁ
Dátum vydania normy: 15.12.2019
Kód tovaru: NS-980649
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
absorption, aggregates, ballast weight, cementitious, compressive strength, concrete roof pavers, durability, limestone, portland cement,, ICS Number Code 91.060.20 (Roofs)
1. Scope | ||||||||||||||||||||||
1.1 This specification covers concrete roof pavers that are machine-made from hydraulic cement, water, and suitable mineral aggregates with or without the inclusion of other materials, for use as roof ballast and protection of roof membranes. Note 1: The design of roof ballast systems for resisting wind
uplift is beyond the scope of this specification. Building codes
and other standards should be consulted in designing for wind
uplift resistance.
1.2 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.3 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. 1.4 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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2. Referenced Documents | ||||||||||||||||||||||
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