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Title: Investigation of sliver-spall damage at Offutt Air Force Base, Nebraska
Authors: Rollings Consulting LLC.
United States. Air Force Civil Engineer Support Agency.
Poole, Toy S.
Rollings, Raymond S.
Keywords: Aggregate durability
Air entraining
Airfield pavement
Deicing chemicals
Freezing and thawing
Portland cement concrete
Runway pavements
Offutt Air Force Base
Publisher: Geotechnical and Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/GSL TR ; 09-6.
Description: Technical Report
Abstract: This report summarizes an investigation into the cause of excessive sliver-spall damage in new airfield concrete after first winter exposure in Nebraska. The damage was particularly concentrated along joints that experienced more service loads than average; however, other sections of high-load joints showed no damage. The results showed that a combination of deficiencies in air entraining, sporadic occurrence of nondurable coarse aggregate and, possibly, early application of deicing salts contributed to the damage. The amount of new damage was notably lower after the second winter of exposure. Several recommended revisions to current concrete practice were made.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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