Title: Guide to Consolidation of Concrete in Congested Areas

Author(s): ACI Committee 309

Publication: Structural Journal

Volume: 89

Issue: 5

Appears on pages(s): 577-586

Keywords: admixtures; concrete construction; consolidation; embedment; formwork (construction); mix proportioning; parting agents; placing; pre-placed aggregate concrete; reinforced concrete; reinforcing steel; splicing;

DOI: 10.14359/9642

Date: 9/1/1992

Abstract:
This guide is primarily directed to ward architects/engineers and con-structors. It describes various situations where design requirements result in highly congested forms that impede consolidation of concrete. Techniques to overcome these difficulties are presented. The guide also identifies for constructors various difficult placing and consolidation conditions and proposes solutions such as special procedures and mix proportions. In addition, the guide alerts constructors to review design drawings closely where congested areas are expected to insure that appropriate allowances have been included in their bids.