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Standard Test Method for Examination and Analysis of Hardened Masonry Mortar
Automaticky přeložený název:
Standardní testovací metoda pro vyšetření a analýzu ztuženého zdící malty
NORMA vydána dne 1.12.2015
Označení normy: ASTM C1324-15
Poznámka: NEPLATNÁ
Datum vydání normy: 1.12.2015
Kód zboží: NS-625195
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
chemical analysis, hardened mortar, masonry, petrographic examination,, ICS Number Code 71.040.40 (Chemical analysis), 91.100.10 (Cement. Gypsum. Lime. Mortar)
Significance and Use | ||||||||||||||||||||||
4.1 This test method provides procedures for petrographic examination and chemical analysis of mortar for components of masonry mortar. These components may include portland cement, hydrated calcitic or dolomitic lime, masonry cement, aggregates, and air. 4.2 The test method consists of procedures and sub-procedures, each requiring a substantial degree of petrographic and chemical skills and relatively elaborate instrumentation. 4.3 The chemical data considered together with results of petrographic examination of a mortar provide for calculation of component proportions and thus allow a determination of mortar composition as represented by Types M, N, S, and O in Table 1 (Proportion Specification Requirements) of Specification C270. 4.4 Failure of a mortar to have the composition of any type as defined in Table 1 of Specification C270 does not necessarily mean that the mortar does not meet the requirements of Specification C270. The mortar may meet the alternative requirements of Table 2 (Property Specification Requirements) of Specification C270. 4.5 The maleic acid method of analysis is not applicable for the analysis of mortar because it is greatly influenced by carbonation and does not provide for the determination of calcium. |
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1. Scope | ||||||||||||||||||||||
1.1 This test method covers procedures for petrographic examination and chemical analysis of samples of masonry mortars. Based upon such examination and analysis, proportions of components in masonry mortars can be determined. Note 1: This method is also applicable to hydraulic
cement-based stucco and plaster. Some historic mortars may contain
non-resolvable constituents that may interfere. However,
significant information may be obtained by petrographic
examinations.
1.2 Interpretations and calculations of chemical results are dependent upon results of the petrographic examination. The use of the chemical results alone is contrary to the requirements of this test method. 1.3 Procedures for sampling, petrographic examination, chemical analysis, and calculations of component proportions are given in the following sections:
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||||||||||||||||
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