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Title: Machine driving of wooden and steel highway guardrail posts under adverse conditions
Author: Gatchell, Charles J.; Lucas, Edwin L.; Lucas, Edwin L.;
Source: Res. Pap. NE-212. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 19 p.
Publication Series: Research Paper (RP)
Description: In an exploratory study, we drove 32 wooden posts and 26 steel posts into a rock-filled base that was topped with limestone gravel and shale. We found that, though both post materials perform well, wood is superior to steel in resisting damage below the groundline.
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Gatchell, Charles J.; Lucas, Edwin L. 1971. Machine driving of wooden and steel highway guardrail posts under adverse conditions. Res. Pap. NE-212. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 19 p.
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