ASTM C823/C823M-12

Standard Practice for Examination and Sampling of Hardened Concrete in Constructions

STANDARD published on 1.4.2012

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The information about the standard:

Designation standards: ASTM C823/C823M-12
Note: WITHDRAWN
Publication date standards: 1.4.2012
SKU: NS-15190
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Concrete and concrete products

Annotation of standard text ASTM C823/C823M-12 :

Keywords:
construction, coring, deterioration, exposure condition, field inspection, hardened concrete, performance, petrographic examination, photograph, representative sample , Construction, Deterioration, Field testing--concrete/aggregates, Hardened concrete, Performance--building materials/applications, Petrographic analysis, Pre-engineered buildings, Sampling concrete/mortar/aggregates, Structural concrete, ICS Number Code 91.100.30 (Concrete and concrete products)

Additional information

Significance and Use

The examination may provide a basis for laying out in situ testing of the concrete.

The sampling can provide materials for petrographic examination, in accordance with Practice C856, chemical or physical analytical procedures, or any of a wide variety of destructive or nondestructive tests to determine physical, mechanical, or structural properties of the concrete.

The results of examination and sampling carried out in accordance with this practice may be used for a variety of purposes and to serve a variety of objectives, some of which are discussed in the Procedural Plan Section.

1. Scope

1.1 This practice outlines procedures for visual examination and sampling of hardened concrete in constructions. Reference is made to the examination and sampling of concrete in prefabricated building units, precast products, and laboratory specimens.

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.

1.3 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

C42/C42M-20	Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
C295-08	Standard Guide for Petrographic Examination of Aggregates for Concrete
C125-21a	Standard Terminology Relating to Concrete and Concrete Aggregates (Includes all amendments and changes 10/14/2021).
C215-19	Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens
C457-09	Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete
E141-10(2023)	Standard Practice for Acceptance of Evidence Based on the Results of Probability Sampling
C670-24a	Standard Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials (Includes all amendments and changes 3/11/2024).
C856-18	Standard Practice for Petrographic Examination of Hardened Concrete
E105-21	Standard Guide for Probability Sampling of Materials
E122-17(2022)	Standard Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process
C597-22	Standard Test Method for Ultrasonic Pulse Velocity Through Concrete