ASTM-C295 2012

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C295/C295M-12 Standard Guide for Petrographic Examination of Aggregates for Concrete

Published By	Publication Date	Number of Pages
ASTM	2012	9

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Categories: 91.100.30 - Concrete and concrete products, ASTM

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Description

ASTM C295/C295M-12

Historical Standard: Standard Guide for Petrographic Examination of Aggregates for Concrete

ASTM C295/C295M

Scope

1.1 This guide outlines procedures for the petrographic examination of samples representative of materials proposed for use as aggregates in cementitious mixtures or as raw materials for use in production of such aggregates. This guide is based on Ref (1).

1.2 This guide outlines the extent to which petrographic techniques should be used, the selection of properties that should be looked for, and the manner in which such techniques may be employed in the examination of samples of aggregates for concrete.

1.3 The rock and mineral names given in Descriptive Nomenclature C294 should be used, insofar as they are appropriate, in reports prepared in accordance with this guide.

1.4 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.

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.

Keywords

aggregate; analysis; composition; crushed rock; crushed stone; examination; ledge rock; manufacture sand; natural sand; petrography; quarry; Microscopic examination–concrete; Natural sand; Petrographic analysis; Rock materials/properties/analysis; Aggregate; Composition analysis; Crushed rock/stone; Drilled concrete cores; Ledge rock; Manufactured sand; Sand; Sieve analysis–aggregate

ICS Code

ICS Number Code 91.100.30 (Concrete and concrete products)

DOI: 10.1520/C0295_C0295M-12

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Qualifications of Petrographers
2	Summary of Method Significance and Use
3	Apparatus and Supplies
4	Sampling Procedure TABLE 1
5	Procedure for Examination of Natural Gravel Procedure for Examination of Natural Sand
6	Procedure for Examination of Drilled Core
7	Procedure for Examination of Ledge Rock Procedure for Examination of Crushed Stone Procedure for Examination of Manufactured Sand Calculation TABLE 2
8	Report Precision and Bias Keywords TABLE 3
9	REFERENCES

Additional information

Standard Title	C295/C295M-12 Standard Guide for Petrographic Examination of Aggregates for Concrete
Published Code	ASTM
Publication Date	2012
Pages Count	9
ICS Codes	91.100.30 - Concrete and concrete products