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Title: Use of Air-Entraining Concrete in Canal Lining

Author(s): Joseph J. Waddell

Publication: Journal Proceedings

Volume: 46

Issue: 9

Appears on pages(s): 57-64

Keywords: no keywords

DOI: 10.14359/12044

Date: 9/1/1949

This paper presents a discussion based on field observations of the use of air entrainment in canal lining concrete. The Bureau of Reclamation made studies of air-entraining agents for use in the irragation canal lining for the Friant-Kern Canal on the Bureau's Central Valley Project in California. Results to date indicate that appreciable benefits accrue when an air-entraining agent is used in concrete which is placed in and compacted by means of a mechanical slip-form. Care is necessay in adjusting concrete mixes to incorporate entrained air because of the sensitivity to mix changes of concrete for slip-form placement.


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