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|Title:||Field test of a MESL (membrane-enveloped soil layer) road section in central Alaska|
Pazsint, Daniel A.
|Keywords:||MESL (Membrane-Enveloped Soil Layer)|
|Publisher:||Cold Regions Research and Engineering Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 260.|
Abstract: The MESL (Membrane-Enveloped Soil Layer) concept for using fine-grained soil as a structural embankment for expedient military uses was tested in a subarctic environment over two freeze-thaw seasons. The encapsulated silt was placed at a moisture content of approximately 4.5% below the optimum of 17.5% for the CE-12 compaction effort. Non-woven polypropylene membrane with CRS-2 emulsified asphalt was used as a waterproofing agent for both the bottom and top membranes. The emulsion was hand-applied with roofing cement brushes to simulate a remote tactical situation. The test section had dimensions of approximately 200 by 20 by 2 and 1/2 ft. and had a sand surfacing about 1 and 1/2-in. thick. The north end of the section, which was undamaged by snow removal equipment, withstood over 500 traffic passes of a loaded military dump truck having a gross weight of nearly 9 tons during the second and third spring thaw seasons without major rutting.
|Appears in Collections:||CRREL Technical Report|
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|CRREL-Technical-Report-260.pdf||12.38 MB||Adobe PDF|