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Standard Specification for Returned Fresh Concrete for Use in a New Batch of Ready-Mixed Concrete (Includes all amendments And changes 2/5/2019).
Name übersetzen
NORM herausgegeben am 15.3.2016
Bezeichnung normen: ASTM C1798/C1798M-16e1
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 15.3.2016
SKU: NS-653082
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
mixing, ready-mixed concrete, returned fresh concrete, testing,, ICS Number Code 91.100.30 (Concrete and concrete products)
1. Scope | ||||||||
1.1 This specification covers returned fresh concrete for use in a new batch of ready-mixed concrete. Requirements for returned fresh concrete shall be either as hereinafter specified or as specified by the purchaser. In any case where the requirements of the purchaser differ from those in this specification, the purchaser’s requirements shall govern. This specification does not cover the placement, consolidation, curing, or protection of the concrete after delivery to the purchaser. 1.2 This specification by itself shall not grant permission to the manufacturer to use returned fresh concrete in a new batch of concrete. Note 1: The permission to use returned fresh concrete may be
addressed in purchase documents, which may reference this
specification.
1.3 Returned fresh concrete in a quantity of less than 450 kg [1000 lb] or 0.2 m3 [0.25 yd3] shall not be subject to this specification. 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 nonconformance with the standard. 1.5 The text of this standard references notes and footnotes, which provide explanatory information. These notes and footnotes shall not be considered as requirements of the 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. (Warning—Fresh hydraulic cementitious mixtures
are caustic and may cause chemical burns to skin and tissue upon
prolonged use.
Standard Specification for Ready-Mixed
Concrete Standard Terminology Relating to Concrete
and Concrete Aggregates (Includes all amendments and changes
10/14/2021). Standard Specification for Chemical
Admixtures for Concrete (Includes all amendments and changes
8/11/2022). Standard Test Method for Temperature of
Freshly Mixed Hydraulic-Cement Concrete |
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