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53 report(s) found with construction in the keywords field
This report covers the first year of a two-year study of unpaved roads. Maintenance and reconstruction models of unpaved roads are reviewed. These models are based upon empirical and mechanistic methods, and they have the objective of evaluating deterioration, roughness propagation parameters, scraping...
This report is a result of a survey conducted of all North Dakota cities to solicit information regarding characteristics and activities of city street departments.
This paper describes the physical characteristics of different types of subterminal elevators; and construction and operating costs.
