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Title: Preplaced Aggregate Concrete for Structural and Mass Concrete

Author(s): ACI Committee 304

Publication: Journal Proceedings

Volume: 66

Issue: 10

Appears on pages(s): 785-797

Keywords: admixtures; aggregate gradation; aggregates; coarse aggregates; con-crete construction; consistency tests; curing; exposed aggregate concrete; formwork (construction) ; grout; grouting; joints (junctions);mass concrete;mixing;mix proportioning;placing.

DOI: 10.14359/7402

Date: 10/1/1969

Outlines uses of this method of preplaced aggregate concrete construction. Discusses selection of materials and grout mix proportioning. Recommendations for form preparation, aggregate placing, arrangement of piping, grout pumping and sequence of injection, finishing, curing, and methods of quality control are made. Fundamentals of good practice in preplaced aggregate construction are recommended by which unanticipated problems can be remedied or avoided.