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Doplňující informace

ASTM C140-12a

Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units (Includes all amendments And changes 4/10/2013).

Automaticky přeložený název:

Standardní zkušební metody pro odběr vzorků a testování Betonové tvárnice a souvisejících jednotek

NORMA vydána dne 1.8.2012

Jazyk
Provedení	Online zabezpečené PDF - 2 008.50 Kč Tištěné - 2 008.50 Kč
Dostupnost	SKLADEM
Cena	2008.50 Kč bez DPH
2 008.50 Kč

Informace o normě:

Označení normy: ASTM C140-12a
Poznámka: NEPLATNÁ
Datum vydání normy: 1.8.2012
Kód zboží: NS-11071
Počet stran: 19
Přibližná hmotnost: 57 g (0.13 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Dotaz

Anotace textu normy ASTM C140-12a :

Keywords:

absorption, compressive strength, concrete masonry units, density, equivalent thickness, face shell, moisture content, roof paver, web area, webs, web thickness, ICS Number Code 91.100.30 (Concrete and concrete products)

Doplňující informace

Significance and Use

4.1 These test methods provide general testing requirements for application to a broad range of concrete products. Those general testing requirements are included in the body of this standard.

4.2 These test methods provide specific testing requirements in two distinct sections, the requirements applicable to all units covered by these test methods and those applicable to the specific unit types. The requirements applicable to all units are included in the body of these test methods and those applicable to the specific unit types are included within the annexes.

1. Scope

1.1 These test methods provide various testing procedures commonly used for evaluating characteristics of concrete masonry units and related concrete units. Methods are provided for sampling, measurement of dimensions, compressive strength, absorption, unit weight (density), moisture content, flexural load, and ballast weight. Not all methods are applicable to all unit types, however.

1.2 Specific testing and reporting procedures are included in annexes to these test methods for the following specific unit types:

1.3 The test procedures included in these test methods are also applicable to other types of units not referenced in these test methods, but specific testing and reporting requirements for those units are not included.

1.4 These test methods include the following sections:

Section

Scope

Referenced Documents

Terminology

Significance and Use

Sampling

Measurement of Dimensions

Compressive Strength

Absorption

Calculations

Report

Keywords

Annexes—Test Procedures

Concrete Masonry Units

Concrete and Calcium Silicate Brick

Segmental Retaining
Wall Units

Concrete Interlocking Paving Units

Concrete Grid Paving
Units

Concrete Roof Pavers

Dry-Cast Articulating
Concrete Block

Determining Plate Thickness
Requirements for
Compression Testing

Worksheet and Test Report for
Concrete Masonry Units

1.5 The values stated in inch-pound units are to be regarded as the standard, except in Annex A4, where either SI units or inch-pound units are to be regarded separately as standard. The values given in parentheses throughout are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.6 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.

2. Referenced Documents

E6-25	Standard Terminology Relating to Methods of Mechanical Testing
C1372-24	Standard Specification for Dry-Cast Segmental Retaining Wall Units
D6684-18	Standard Specification for Materials and Manufacture of Articulating Concrete Block (ACB) Systems
C1232-26	Standard Terminology for Masonry
E4-24	Standard Practices for Force Calibration and Verification of Testing Machines
C1634-25	Standard Specification for Dry-Cast Concrete Facing Brick and Other Concrete Masonry Facing Units
C1552-23	Standard Practice for Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing
C1491-19	Standard Specification for Concrete Roof Pavers (Withdrawn 2023)
C55-25	Standard Specification for Dry-Cast Concrete Building Brick
C73-23	Standard Specification for Calcium Silicate Brick (Sand-Lime Brick)
C936/C936M-24	Standard Specification for Solid Concrete Interlocking Paving Units
C1093-25	Standard Practice for Accreditation of Testing Agencies for Masonry
C90-24a	Standard Specification for Dry-Cast Loadbearing Concrete Masonry Units (Includes all amendments and changes 1/20/2025).
C129-25	Standard Specification for Dry-Cast Nonloadbearing Concrete Masonry Units
C143/C143M-26a	Standard Test Method for Slump of Concrete (Includes all amendments and changes 3/17/2026).
C1319-23a	Standard Specification for Concrete Grid Paving Units (Includes all amendments and changes 12/20/2023).

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