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Field Performance of Fiber-Reinforced Concrete Airfield Pavements.
Final rept. Jan 83-Jan 85,
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS GEOTECHNICAL LAB
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A field survey of steel fiber-reinforced concrete airfield pavements found the most serious performance problem to be permanent, early age curl of slabs and associated cracking. An examination of possible causes of this curl indicates it is probably due to the use of large slabs and thin sections. This study recommends slab sizes which should minimize this problem in the future. Other identified performance problems unique to this type pavement include loose surface fibers and nonfunctioning contraction joints. The design criteria for fiber-reinforced concrete were reviewed, and new criteria are proposed that are compatible with the Corps of Engineers change in portland cement concrete design criteria. A new method of overlay design was also proposed.
APPROVED FOR PUBLIC RELEASE