Title: Effect of Time of Haul on Strength and Consistency of Ready-Mixed Concrete

Author(s): Glenn C. Cook

Publication: Journal Proceedings

Volume: 39

Issue:

Appears on pages(s): 413-428

Keywords:

Date: 4/1/1943

Abstract:
Strength and slump tests are reported for ready- mxied concrete mixed in stationary mixer and hauled in a standard truck-mixer-agitator for various periods up to 7 hr. One group of tests was conducted during early spring and another during summer to study effect of temperature. Wash analyses made on con- crete samples before starting haul and at end of haul Effect of retempering by adding water to restore lost slump was studied.