Expansion of Concrete Pumped Through Aluminum Pipeline

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Title: Expansion of Concrete Pumped Through Aluminum Pipeline

Author(s): E. L. Fowler, E. F. Holmgren

Publication: Journal Proceedings

Volume: 68

Issue: 12

Appears on pages(s): 950-953

Keywords: Aluminum, bridge decks, concrete structures, compressive strength, cores, expansion, pumped concrete, tests, volume change

Date: 12/1/1971

Abstract:
Aluminum powder, abraded in pumping, can react with portland cement to produce hydrogen gas having expansive effect on freshly placed concrete. Study concluded concrete free to expand in at least one direction during setting and early hardening should not be placed by pumping.