Alkali–Silica Reaction Identification and Remediation at Northwest Arkansas Regional Airport
Publication: Journal of Performance of Constructed Facilities
Volume 30, Issue 4
Abstract
Northwest Arkansas Regional Airport (International Air Transport Association Code, XNA) opened in 1998. XNA is a regional airport serving the northwest Arkansas area. Alkali silica reaction (ASR) was detected at XNA’s runway 16/34 in 2002, and in 2012 the runway was closed for replacement. The airport includes a single runway; therefore, runway replacement required the construction of a temporary alternate landing surface (ALS). Consequently, costs related to the premature runway replacement were substantial. XNA is experiencing significant pavement distress caused by ASR. Therefore, in addition to the runway, taxiways and apron areas will require replacement. The article reviews ASR, causes of ASR at XNA, and a preliminary investigation to develop a remediation approach to ASR at XNA. For ASR remediation, the authors are investigating various surface sealants for their effectiveness to retard ASR, to provide XNA operators additional time before future pavement replacement is warranted.
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Information & Authors
Information
Published In
Journal of Performance of Constructed Facilities
Volume 30 • Issue 4 • August 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Jan 19, 2015
Accepted: Jun 10, 2015
Published online: Jul 20, 2015
Discussion open until: Dec 20, 2015
Published in print: Aug 1, 2016
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