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Title: Evaluation of airfield damage repair methods for extreme cold temperatures
Authors: Asenath-Smith, Emily
Melendy, Terry D.
Menke, Amelia M.
Bernier, Andrew P.
Blaisdell, George L.
Keywords: Concrete
Mechanical properties
Run-ways (Aeronautics)--Maintenance and repair
Runways (Aeronautics)--Cold weather conditions
Controlled low-strength materials
Fills (Earthwork)
Composite materials
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical Report (Engineer Research and Development Center (U.S.)) ; no. ERDC/CRREL TR-19-2
Abstract: To address the need for expedient repair solutions for paved runways in cold environments, airfield damage repair Rapid Airfield Damage Recovery (RADR) materials were tested at temperatures down to -40 ºF. New materials and methods were developed to fill the identified performance gaps for conventional RADR materials. Simulated crater repairs were per-formed at -20 and -40 ºF. Folded fiber glass panels and hinges met the published tensile strength, but did not meet the required flexural strength. Fiberglass-reinforced polyester panels retained their 73 ºF tensile and flexural strengths down to -40 ºF. If required, foreign object debris covers can be used at temperatures below freezing, but further experimentation is needed to fully assess matting candidates at temperatures below 0 ºF. Geocell sidewalls and junctions showed an increased maximum force, with a ten-fold decrease in the displacement before failure. Rapid setting flowable fill and polyurethane foam, prepared conventionally, were demonstrated as backfill materials at temperatures as low as 0 ºF. As a cap material, Rapid Set® concrete can be placed using conventional techniques down to 17 ºF. Snow and ice materials were demonstrated as backfill materials below freezing and met the strength requirements for capping applications at temperatures down to -40 ºF.
Description: Technical Report
Gov't Doc #: ERDC/CRREL TR-19-2
Rights: Approved for Public Release; Distribution is Unlimited
Appears in Collections:Technical Report

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