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ASTM C472-20 Standard Test Methods for Physical Testing of Gypsum, Gypsum Plasters, and Gypsum Concrete

【国外标准】 Standard Test Methods for Physical Testing of Gypsum, Gypsum Plasters, and Gypsum Concrete

本网站发布时间： 2024-02-28

ASTM C472-20
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标准简介

适用范围：

AbstractThese test methods cover the physical testing of gypsum, gypsum plasters, and gypsum concrete. Test methods are detailed for the following: precautions for physical tests, reagents and materials, free water, fineness, normal consistency of gypsum plaster and gypsum concrete, setting time, setting time (temperature rise method), compressive strength, and density. Materials include distilled or deionized water and standard sand. For each test method, the following are specified: significance and use, apparatus, and procedure.1.1 These test methods cover the physical testing of gypsum, gypsum plasters, and gypsum concrete.1.2 The test methods appear in the following sections: Precautions for Physical Tests 4 Reagents and Materials 5 Free Water 6 Fineness 7 Normal Consistency of Gypsum Plaster 8 Normal Consistency of Gypsum Concrete 9 Setting Time 10 Setting Time (Temperature Rise Method) 11 Compressive Strength 12 Density 13 1.3 The values regarded as standard are either in inch-pound units or SI (metric). The values stated first shall be regarded as the standard. The values given in parentheses are mathematical conversions that are provided for information only and are not considered standard.1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) are not requirements of the standard.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. For a specific precautionary statement, see X1.2.1.1.6 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.

基本信息

标准号：
ASTM C472-20
标准名称：
Standard Test Methods for Physical Testing of Gypsum, Gypsum Plasters, and Gypsum Concrete
英文名称：
Standard Test Methods for Physical Testing of Gypsum, Gypsum Plasters, and Gypsum Concrete
标准状态：
Active
发布日期：
实施日期：
出版语种：

标准分类号

标准ICS号：
91.100.10
中标分类号：

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出版信息

页数：
9 页
字数：
开本：

其他信息

起草人：
起草单位：
归口单位：
C11.01
提出部门：
发布部门：

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