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ASTM C1176/C1176M-20
Standard Practice for Making Roller-Compacted Concrete in Cylinder Molds Using a Vibrating Table
Name übersetzen
NORM herausgegeben am 1.10.2020
Informationen über die Norm:
Bezeichnung normen: ASTM C1176/C1176M-20
Ausgabedatum normen: 1.10.2020
SKU: NS-1007072
Zahl der Seiten: 5
Gewicht ca.: 15 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM C1176/C1176M-20 :
Keywords:
concrete, cylinder preparation, roller-compacted concrete,, ICS Number Code 91.100.30 (Concrete and concrete products)
Ergänzende Informationen
| Significance and Use | ||||||||||||||||
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4.1 This practice is intended to be used for stiff to extremely dry concrete mixtures commonly used in roller-compacted concrete construction. This practice is used instead of rodding or internal vibration, which cannot properly consolidate concrete of this consistency (Note 1). Note 1: Further description of this concrete consistency is
given in ACI 207.5 Roller-Compacted Mass Concrete3
and 211.3 Guide for Selecting Proportions for No-Slump
Concrete1.1 This practice covers procedures for
making cylindrical test specimens from concrete when the standard
procedures of rodding and internal vibration, as described in
Practice C31/C31M, are not
practicable. This practice is applicable to freshly mixed concrete,
prepared in the laboratory and the field, having a nominal maximum
size aggregate of 50 mm [2 in.] or less. If the nominal maximum
size aggregate is larger than 50 mm [2 in.], the practice is
applicable only when performed on the fraction passing the 50-mm
[2-in.] sieve with the larger aggregate being removed in accordance
with Practice C172. This
practice, intended for use in testing roller-compacted concrete,
may be applicable to testing other types of concrete such as
cement-treated aggregate and mixtures similar to soil-cement.
1.2 Two methods are provided for making concrete cylinders using a vibrating table: 1.2.1 Method A is a procedure for making test specimens in steel reusable molds attached to a vibrating table. 1.2.2 Method B is a procedure for making test specimens in single-use plastic molds that have been inserted into a metal sleeve attached to a vibrating table. 1.3 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. 1.4 The text of this practice refers to notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this practice. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 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. |
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| 2. Referenced Documents | ||||||||||||||||
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