Practices to Mitigate Alkali-Silica Reaction (ASR) Affected Pavements at Airports (2019) / Chapter Skim
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B-1 A P P E N D I X B Survey Results
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Section 1 -- General Respondent demographics. Figure B1.
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Figure B2. Airside Facilities Affected by ASR in the Last 15 Years.
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Figure B6. Indicators of ASR.
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Definitions • PDR = partial-depth repair, the removal and replacement of a small area of deteriorated concrete to a depth of one-half to one-third of the slab thickness • FDR = full-depth repair, the removal and replacement of a section of deteriorated concrete through its entire slab thickness, may also include the complete removal and replacement of an entire slab (referred to as slab replacement) • AC Overlay = asphalt overlay placed on the existing concrete pavement • PCC Overlay = concrete overlay placed on the existing concrete pavement • Total Reconstruction = the deteriorated concrete was removed and replaced with an entirely new pavement • Life Expectation = life expectation is how much additional life in the pavement that you hoped to receive as a result of the treatment Please indicate what corrective treatments you have used (if any)
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Figure B8. Corrective Treatments Used.
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If corrective treatments were used, were any follow-up evaluations conducted by the airport to investigate their effectiveness? Are any reports or documentation available?
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If mitigation treatments were used, were any follow-up evaluations conducted by the airport to investigate their effectiveness? Are any reports or documentation available?
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5.3. Is there any other information that you would like to convey regarding the treatment of ASR-affected airport pavements?
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