Proposed Recommended Practice for Selecting Proportions for Structural Lightweight Concrete*

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Title: Proposed Recommended Practice for Selecting Proportions for Structural Lightweight Concrete*

Author(s): ACI Committee 613

Publication: Journal Proceedings

Volume: 55

Issue: 9

Appears on pages(s): 305-314

Keywords: no keywords

Date: 9/1/1958

Abstract:
This subcommittee report is intended as a supplement to AC1 Standard "Recommended Practice for Selecting Proportions for Concrete (AC1 613-54)" and describes a procedure for proportioning structural grade concrete containing lightweight aggregates. This procedure does not require the use of values for specific gravity or absorption of the aggregates but utilizes a "specific gravity factor." Use of this factor is illustrated and examples are included for proportioning both air-entrained and non-air-entrained mixes.