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Norma ASTM C150/C150M-22 1.7.2022 náhled

Doplňující informace

ASTM C150/C150M-22

Standard Specification for Portland Cement

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NORMA vydána dne 1.7.2022

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Dostupnost	SKLADEM
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Informace o normě:

Označení normy: ASTM C150/C150M-22
Datum vydání normy: 1.7.2022
Kód zboží: NS-1068713
Počet stran: 9
Přibližná hmotnost: 27 g (0.06 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Cement. Sádra. Vápno. Malta

Anotace textu normy ASTM C150/C150M-22 :

This specification covers eight types of portland cement: type I, type IA, type II, type IIA, type III, type IIIA, type IV, and type V. The cement covered by this specification shall only contain the following ingredients: portland cement clinker; water or calcium sulfate, or both; limestone; processing additions; and air-entraining addition for air-entraining portland cement. Portland cement of each of the eight types must have the following chemical compositions: aluminum oxide, ferric oxide, magnesium oxide, sulfur trioxide, tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracalcium aluminofernite. Applicable properties enumerated in this specification will be determined by the following test methods: air content of mortar, chemical analysis, strength, false set, fineness by air permeability, fineness by turbidimeter, heat of hydration, autoclave expansion, time of setting by gillmore needles, time of setting by vicat needles, sulfate resistance, calcium sulfate, and compressive strength. The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment, and in a suitable weather-tight building that will protect the cement from dampness and minimize warehouse set.

Keywords:
hydraulic cement, portland cement, specification,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

Doplňující informace

1. Scope

1.1?This specification covers ten types of portland cement, as follows (see Note 2):

1.1.1?Type IFor general use, when the special properties specified for any other type are not required.

1.1.2?Type IAAir-entraining cement for the same uses as Type I, where air-entrainment is desired.

1.1.3?Type IIFor general use, more especially when moderate sulfate resistance is desired.

1.1.4?Type IIAAir-entraining cement for the same uses as Type II, where air-entrainment is desired.

1.1.5?Type II(MH)For general use, more especially when moderate heat of hydration and moderate sulfate resistance are desired.

1.1.6?Type II(MH)AAir-entraining cement for the same uses as Type II(MH), where air-entrainment is desired.

1.1.7?Type IIIFor use when high early strength is desired.

1.1.8?Type IIIAAir-entraining cement for the same use as Type III, where air-entrainment is desired.

1.1.9?Type IVFor use when a low heat of hydration is desired.

1.1.10?Type VFor use when high sulfate resistance is desired.

Note 1:?Some cements are designated with a combined type classification, such as Type I/II, indicating that the cement meets the requirements of the indicated types and is being offered as suitable for use when either type is desired.

Note 2:?Cement conforming to the requirements for all types are not carried in stock in some areas. In advance of specifying the use of cement other than Type I, determine whether the proposed type of cement is or can be made available.

1.2?The values stated in either SI units 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. Values in SI units [or inch-pound units] shall be obtained by measurement in SI units [or inch-pound units] or by appropriate conversion, using the Rules for Conversion and Rounding given in IEEE/ASTM SI 10, of measurements made in other units [or SI units]. Values are stated in only SI units when inch-pound units are not used in practice.

1.3?The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

1.4?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.

2. Referenced Documents

C266-21	Standard Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore Needles
C1702-23	Standard Test Method for Measurement of Heat of Hydration of Hydraulic Cementitious Materials Using Isothermal Conduction Calorimetry
C452-21	Standard Test Method for Potential Expansion of Portland-Cement Mortars Exposed to Sulfate
C465-23	Standard Specification for Processing Additions for Use in the Manufacture of Hydraulic Cements
C563-20	Standard Guide for Approximation of Optimum SO3 in Hydraulic Cement
C219-20a	Standard Terminology Relating to Hydraulic and Other Inorganic Cements (Includes all amendments and changes 8/28/2020).
C226-22	Standard Specification for Air-Entraining Additions for Use in the Manufacture of Air-Entraining Hydraulic Cement
C33-07	Standard Specification for Concrete Aggregates
C51-23	Standard Terminology Relating to Lime and Limestone (as Used by the Industry)
C109/C109M-23	Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50?mm [2 in.] Cube Specimens)
C114-23	Standard Test Methods for Chemical Analysis of Hydraulic Cement
C115-10	Standard Test Method for Fineness of Portland Cement by the Turbidimeter
C151-05	Standard Test Method for Autoclave Expansion of Hydraulic Cement
C183-13	Standard Practice for Sampling and the Amount of Testing of Hydraulic Cement
C185-20	Standard Test Method for Air Content of Hydraulic Cement Mortar
C186-17	Standard Test Method for Heat of Hydration of Hydraulic Cement (Withdrawn 2019)
C191-21	Standard Test Methods for Time of Setting of Hydraulic Cement by Vicat Needle
C204-24	Standard Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus
C1038-04	Standard Test Method for Expansion of Hydraulic Cement Mortar Bars Stored in Water
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
IEEE/ASTM SI 10	American National Standard for Use of the International System of Units (SI): The Modern Metric System
C451-21	Standard Test Method for Early Stiffening of Hydraulic Cement (Paste Method)

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