ASTM C183-08

    Historical Standard: Стандартная методика отбора проб и определения объема испытаний гидравлического цемента


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    Significance and Use

    The sampling procedures described are intended for use in the procurement of samples of hydraulic cement after it has been manufactured and is ready to be offered for sale. They are not intended as sampling procedures for quality control purposes during manufacturing. The testing procedures outlined cover the amount of testing to be done and provide guidance for reporting on conformance or non-conformance of cements with requirements of purchase specifications.

    This practice is referenced as the procedure for sampling masonry cement (Specification C 91), portland cement (Specification C 150), blended hydraulic cement (Specification C 595), expansive hydraulic cement (Specification C 845), plastic stucco cement (Specification C 1328), mortar cement (Specification C 1329), and hydraulic cement based on a performance specification (Specification C 1157).

    Most building codes and construction specifications require that hydraulic cement to be used in the work meet the applicable requirements of the relevant purchase specifications, such as Specifications C 91, C 150, C 595, C 1157, C 1328, C 1329, or C 845. If the code or specification requires sampling of the manufactured cement, the provisions given in 4.4 are applicable. Not much cement is sold on the basis of such sampling and testing. A useful discussion of sampling and testing cement is contained in ACI 225.1R.

    The procedures covered in this practice should be done by or for purchasers of hydraulic cement who are using a code or specification that requires sampling and testing to determine if the samples conform to the relevant acceptance specifications. The testing is done using specified methods to determine whether the samples yield test results that conform to the specification, and the tests serve as a basis for acceptance or rejection of the lot of material sampled.

    It is neither intended nor required that all cements be tested using all the test methods referenced in Section 2.

    1. Область применения

    1.1 Данная методика описывает процедуры отбора проб и определения объема испытаний гидравлического цемента после того, как он изготовлен и готов для продажи.

    1.2 Значения, указанные в единицах СИ, считаются стандартными. Заключенные в скобки значения в фунтах-дюймах являются чисто справочными.

    1.2.1 Используемая в данной методике тонна составляет 907 кг (2000 фунтов).

    1.2.2 Значения в единицах СИ получются при измерениях в единицах СИ, либо при соответствующем пересчете, используя приведенные в Стандарте IEEE/ASTM SI 10 Правила преобразования и округления результатов измерений, произведенных в других единицах.

    1.3 Данный стандарт не претендует на полноту описания всех мер безопасности, если таковые имеются, связанных с его использованием. Вся ответственность за установление соответствующих правил техники безопасности и мер по охране здоровья, а также определение пределов применимости регламентов до начала использования данного стандарта, лежит на пользователе стандарта.

    2. Ссылочные документы

    C1012 Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution

    C109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens)

    C114 Test Methods for Chemical Analysis of Hydraulic Cement

    C115 Test Method for Fineness of Portland Cement by the Turbidimeter

    C1157 Performance Specification for Hydraulic Cement

    C1328 Specification for Plastic (Stucco) Cement

    C1329 Specification for Mortar Cement

    C150 Specification for Portland Cement

    C151 Test Method for Autoclave Expansion of Hydraulic Cement

    C157/C157M Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete

    C185 Test Method for Air Content of Hydraulic Cement Mortar

    C186 Test Method for Heat of Hydration of Hydraulic Cement

    C191 Test Methods for Time of Setting of Hydraulic Cement by Vicat Needle

    C204 Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus

    C227 Test Method for Potential Alkali Reactivity of Cement-Aggregate Combinations (Mortar-Bar Method)

    C265 Test Method for Water-Extractable Sulfate in Hydrated Hydraulic Cement Mortar

    C266 Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore Needles

    C451 Test Method for Early Stiffening of Hydraulic Cement (Paste Method)

    C452 Test Method for Potential Expansion of Portland-Cement Mortars Exposed to Sulfate

    C563 Test Method for Approximation of Optimum SO3 in Hydraulic Cement Using Compressive Strength

    C595 Specification for Blended Hydraulic Cements

    C845 Specification for Expansive Hydraulic Cement

    C91 Specification for Masonry Cement

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves

    225.1R Guide to the Selection and Use of Hydraulic Cements Detailed requirements for this sieve are given in Specification .