AM2 Modified 2-1 Lay Pattern Evaluation under F-15E Traffic

The U.S. Army Engineer Research and Development Center executed a program for the Air Force Civil Engineer Center and the Naval Air Systems Command (NAVAIR) that involved a series of full-scale tests of the AM2 airfield mat system in an effort to validate a model which predicts the performance of AM...

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Bibliographic Details
Main Authors: Garcia, Lyan, Heiser, Julie, Rushing, Timothy W, Bradley, Chase T, Tingle, Jeb S, Rutland, Craig A
Format: Report
Language:English
Subjects:
2-1 LAY PATTERN
ADR(AIRFIELD DAMAGE REPAIR)
AIRFIELD MATS
AM2 ALUMINUM MATS
BRICKWORK PATTERN
CH SUBGRADES
CH(HIGH-PLASTICITY CLAY)
CLAY
COMPARISON
DAMAGE
DEFORMATION
EA MATS
EA(EXPEDITIONARY AIRFIELDS)
F-15E AIRCRAFT
FAILURE(MECHANICS)
FIGHTER AIRCRAFT
LANDING FIELDS
LANDING MATS
Mechanics
PASSES-TO-FAILURE
PATTERNS
PERFORMANCE(ENGINEERING)
PLASTIC PROPERTIES
REPAIR
Terminal Flight Facilities
TEST AND EVALUATION
TRAFFIC
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Description
Summary:The U.S. Army Engineer Research and Development Center executed a program for the Air Force Civil Engineer Center and the Naval Air Systems Command (NAVAIR) that involved a series of full-scale tests of the AM2 airfield mat system in an effort to validate a model which predicts the performance of AM2 under different operational conditions. A key component of the test program was evaluating the AM2 installation patterns approved by NAVAIR, which included the 2-1 lay pattern that is used on runways and high-speed taxiways. Initial analyses of the results showed that the performance of the AM2 mat system installed in the 2-1 lay pattern decreased when compared to the standard brickwork pattern, largely because of sections resulting with two longitudinal joints. An alternative pattern was sought to improve the load-carrying capabilities of the system, and the results are provided in this report. The discussions herein summarize traffic tests that were conducted on what was called the modified 2-1 lay pattern, which amended the 2-1 lay pattern to eliminate the key contributor that reduced system performance (i.e., two continuous joints). The results showed a significant increase in passes-to-failure in comparison to the 2-1 lay pattern and the brickwork pattern. The original document contains color images. Prepared in collaboration with Applied Research Associates, Panama City, FL.