Title:
Specifying Concrete for Slipforming
Author(s):
Adam Neville
Publication:
Concrete International
Volume:
21
Issue:
11
Appears on pages(s):
61-63
Keywords:
aggregate selection; concrete stiffness; slipforming; specifications; workability
DOI:
Date:
11/1/1999
Abstract:
Selecting a mix suitable for slipforming is not as difficult as it seems. In reality, a mix that can be easily pumped needs only to be somewhat modified to make it appropriate for slipforming. The rationale of this article is not to highlight the problems in slipforming in so far as mix selection is concerned. Rather, when slipforming is to be used as a method of construction, the specification for concrete must take into account the required properties of the concrete. There is no inherent difficulty in this — all that is needed is knowledge and forethought. Slipforming is an excellent method of construction. It is also “good” for concrete in that concrete suitable for slipforming is a “good” concrete with respect to mix composition coupled with a low variability in mix properties.