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ACI 211.1

91st Edition, January 1, 1991

Complete Document

Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete

Includes all amendments and changes through Reapproval Notice , 2009


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Product Details:

  • Revision: 91st Edition, January 1, 1991
  • Published Date: January 2009
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American Concrete Institute (ACI)
  • Page Count: 38
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This Standard Practice describes methods for selecting proportions for hydraulic cement concrete made with and without other cementitious materials and chemical admixtures. This concrete consists of normal and/or highdensity aggregates (as distinguished from lightweight aggregates) with a workability suitable for usual cast-in-place construction (as distinguished from special mixtures for concrete products manufacture). Also included is a description of methods used for selecting proportions for mass concrete. Hydraulic cements referred to in this Standard Practice are portland cement (ASTM C 150) and blended cement (ASTM C 595). The Standard does not include proportioning with condensed silica fume.

The methods provide a first approximation of proportions intended to be checked by trial batches in the laboratory or field and adjusted, as necessary, to produce the desired characteristics of the concrete.

U.S. customary units are used in the main body of the text. Adaption for the metric system is provided in Appendix 1 and demonstrated in an example problem in Appendix 2.

Test methods mentioned in the text are listed in Appendix 3.