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ASTM-C192:2012 Edition(Redline)

ASTM-C192:2012 Edition(Redline)

$26.65

C192/C192M-12 Standard Practice for Making and Curing Concrete Test Specimens in the Laboratory (Redline)

Published By Publication Date Number of Pages
ASTM 2012 9
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Significance and Use

3. Significance and Use Top Bottom

3.1 This practice provides standardized requirements for preparation of materials, mixing concrete, and making and curing concrete test specimens under laboratory conditions.

3.2 If specimen preparation is controlled as stipulated herein, the specimens may be used to develop information for the following purposes:

3.2.1 Mixture proportioning for project concrete,

3.2.2 Evaluation of different mixtures and materials,

3.2.3 Correlation with nondestructive tests, and

3.2.4 Providing specimens for research purposes.

Note 1 ??? The concrete test results for concrete specimens made and cured using this practice are widely used. They may be the basis for acceptance testing for project concrete, research evaluations, and other studies. Careful and knowledgeable handling of materials, mixing concrete, molding test specimens, and curing test specimens is necessary. Many laboratories performing this important work are independently inspected or accredited. Practice C1077 identifies and defines the duties, responsibilities, and minimum technical qualification requirements of laboratory personnel and the minimum requirements for equipment used in testing concrete and concrete aggregates.

1. Scope

1.1 This practice covers procedures for making and curing test specimens of concrete in the laboratory under accurate control of materials and test conditions using concrete that can be consolidated by rodding or vibration as described herein.

1.2 The values stated in either inch-pound units or SI units shall be regarded separately as standard. The SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of each other. Combining values from the two systems may result in nonconformance.

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. ( Warning ???Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to exposed skin and tissue upon prolonged exposure. 2 )

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

C70 Test Method for Surface Moisture in Fine Aggregate C125 Terminology Relating to Concrete and Concrete Aggregates C127 Test Method for Density, Relative Density (Specific Gravity), and Absorption of Coarse Aggregate C128 Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate C138/C138M Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete C143/C143M Test Method for Slump of Hydraulic-Cement Concrete C172 Practice for Sampling Freshly Mixed Concrete C173/C173M Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method C231 Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method C330 Specification for Lightweight Aggregates for Structural Concrete C403/C403M Test Method for Time of Setting of Concrete Mixtures by Penetration Resistance C470/C470M Specification for Molds for Forming Concrete Test Cylinders Vertically C494/C494M Specification for Chemical Admixtures for Concrete C511 Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes C566 Test Method for Total Evaporable Moistu

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