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Title: AM2 100 CBR subgrade sensitivity test
Authors: Garcia, Lyan I.
Rushing, Timothy W.
Williams, Brett A.
Keywords: Aluminum mat
Landing mat
Airfield mat
Airfield mat X (AMX)
Airfield damage repair
Expeditionary airfield
Publisher: Engineer Research and Development Center (U.S.)
Series/Report no.: Technical Report (Geotechnical and Structures Laboratory (U.S.)) ; no.ERDC/GSL TR-14-37
Abstract: AM2 airfield matting has a long history of successful performance as an expeditionary airfield surfacing system. The number of passes-to-failure of AM2 under simulated F-15E and C-17 aircraft traffic over soils with California Bearing Ratios (CBRs) of 6, 10, 15, and 25 were determined by the U.S. Army Engineer Research and Development Center in Vicksburg, Mississippi, during recent investigations. To increase the reliability of designs using AM2 over stronger soils, the U.S. Air Force Civil Engineer Center sponsored the evaluation of AM2 over a soil with a CBR of 100. The results of the 25 CBR evaluation showed that more than 10,000 C-17 passes were sustained prior to mat or subgrade failure. Therefore, the evaluation over a CBR of 100 was conducted only with simulated F-15E traffic. Results showed that approximately 23,000 F-15E passes were sustained before failure by mat breakage. The evaluation proved that stronger foundation material properties significantly increase the operating life of AM2 and provided valuable data for the development of predictive behavioral models.
Description: Technical Report
Gov't Doc #: ERDC/GSL TR-14-37
Rights: Approved for public release; distribution is unlimited
Appears in Collections:Technical Report

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