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Mr. Norman Dennis, Ph.D., P.E., F.ASCE


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Posted By Norman Dennis 01-04-2019 11:52 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation
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I used the corduroy ​technique about 30 years ago on a farm to market road on the east side of the Andes in Ecuador. We were working in volcanic soils that had insitu moisture contents in excess of 100%. We used split mahogany logs (predominant tree in the region) which spanned the entire roadway and ...