Có 28+ tài liệu thuộc chủ đề "test method"
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Standard Test Method for. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This test method covers the determination of early stiffening in hydraulic-cement paste.. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It...
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Standard Test Method for. This standard is issued under the fixed designation C 452. 1.1 This test method, which is applicable only to portland cements, covers the determination of the expansion of mortar bars made from a mixture of portland cement and gypsum in such proportions that the mixture has a sulfur trioxide (SO 3 ) content of 7.0 mass....
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Processing Additions for Use in the Manufacture of Hydraulic Cements 1. 1.1 This specification pertains to the criteria and tests to be used for determining whether a processing addition, when used in the recommended amount at the option of the cement producer in the manufacture of hydraulic cements, meets the requirements as prescribed by definition in Specifications C 150, C...
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Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete 1. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This practice covers the requirements for the apparatus and equipment used to prepare specimens for the determination of length...
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Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes 1. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.2 Values in SI units shall be obtained by measurement in SI units or by appropriate conversion, using the...
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Nails for the Application of Gypsum Board 1. This standard is issued under the fixed designation C 514. This standard has been approved for use by agencies of the Department of Defense.. 1.1 This specification covers requirements for steel wire nails suitable for use in the application of gypsum board.. N OTE 1—This specification does not necessarily cover nails for...
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Standard Test Method for. Optimum SO 3 in Hydraulic Cement Using 24-h Compressive Strength 1. This standard is issued under the fixed designation C 563. 1.1 This test method describes the determination of opti- mum SO 3 for maximum 24-h compressive strength by mea- suring the change in strength produced in hydraulic cement mortar as a result of substituting calcium...
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Standard Specification for Gypsum Veneer Plaster 1. This standard is issued under the fixed designation C 587. This standard has been approved for use by agencies of the Department of Defense.. specifically designed as a veneer plaster to be applied over gypsum base for veneer plasters, masonry or concrete surfaces to a maximum thickness of 1 ⁄ 4 in. 1.2...