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Washboarding effect on a road. Washboarding or corrugation [1] is the formation of periodic, transverse ripples in the surface of gravel and dirt roads.Washboarding occurs in dry, granular road material [2] with repeated traffic, traveling at speeds above 8.0 kilometres per hour (5 mph). [3]
Washboard may refer to: Washboard (laundry), a tool for washing clothes; Washboard (musical instrument), a percussion instrument; Washboarding, corrugation on gravel ...
A dirt road or track is a type of unpaved road not paved with asphalt, concrete, brick, ... Dirt roads almost always form a washboard-like surface with ridges. The ...
A corduroy road or log road is a type of road or timber trackway made by placing logs, perpendicular to the direction of the road over a low or swampy area. The result is an improvement over impassable mud or dirt roads, yet rough in the best of conditions and a hazard to horses due to shifting loose logs.
Jim Oliver and Dennis O'Neil rode motorbikes across Russia, along the Trans-Siberian Highway, during the last week of May and the first three weeks of June in 2004: back then, as described in Jim Oliver's book, Lucille and The XXX Road, the section between Chita and Khabarovsk was an extremely challenging undertaking among marsh, gravel, rock ...
The first macadam road built in the United States was constructed between Hagerstown and Boonsboro, Maryland, and was named at the time Boonsborough Turnpike Road. This was the last section of unimproved road between Baltimore on the Chesapeake Bay to Wheeling on the Ohio River. Before it was macadamized, stagecoaches travelling the Hagerstown ...
Woman on an Israeli kibbutz using a washboard to do laundry. A washboard or a scrubbing-board [1] is a tool designed for hand washing clothing. With mechanized cleaning of clothing becoming more common by the end of the 20th century, the washboard has become better known for its secondary use as a musical instrument.
Accidents from culvert failure can also occur if a culvert has not been adequately sized and a flood event overwhelms the culvert, or disrupts the road or railway above it. Ongoing culvert function without failure depends on proper design and engineering considerations being given to load, hydraulic flow, surrounding soil analysis, backfill and ...