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Standard Specification for Ready-Mixed Concrete 预拌混凝土标准规范
发布日期: 2024-08-01
1.1 本规范涵盖了中定义的预拌混凝土 3.2.2 ( 附注1 ). 预拌混凝土的质量要求应符合本规范的规定或买方的要求。当订单中规定的买方要求与本规范中的要求不同时,应以买方要求为准。本规范不包括交付给买方后混凝土的浇筑、固结、养护或保护。 注1: 规范中涵盖了通过体积配料和连续搅拌生产的混凝土 C685/C685M 纤维增强混凝土见规范 C1116/C1116M . 1.2 在本规范中,生产商生产预拌混凝土,买方购买预拌混凝土。 1.3 括号中显示的SI单位或英寸-磅单位中的值应单独视为标准值。每个系统中所述的值可能不是完全等效的;因此,每个系统都应独立使用。将两个系统的值结合起来可能会导致不符合标准。 1.4 本规范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(不包括表格和图中的注释和脚注)不应被视为规范的要求。 1.5 本标准并不旨在解决与其使用相关的所有安全问题(如果有的话)。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践,并确定监管限制的适用性。 ( 警告-- 新鲜的水硬性水泥混合物具有腐蚀性,长时间使用可能会对皮肤和组织造成化学灼伤。 2. ) 1.6 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。
1.1 This specification covers ready-mixed concrete as defined in 3.2.2 ( Note 1 ). Requirements for quality of ready-mixed concrete shall be either as stated in this specification or as ordered by the purchaser. When the purchaser’s requirements, as stated in the order, differ from those in this specification, the purchaser’s requirements shall govern. This specification does not cover the placement, consolidation, curing, or protection of the concrete after delivery to the purchaser. Note 1: Concrete produced by volumetric batching and continuous mixing is covered in Specification C685/C685M . Fiber-reinforced concrete is covered in Specification C1116/C1116M . 1.2 As used throughout this specification the producer manufactures ready-mixed concrete and the purchaser buys ready-mixed concrete. 1.3 The values stated in either SI units, shown in brackets, or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.4 The text of this specification 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 specification. 1.5 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. ( Warning— Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged use. 2 ) 1.6 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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