Terrain Representation for Estimating Land-transportation Costs in Corridor Planning
Institute of Transportation Studies, University of California, 1987 - Roads - 556 pages
This research includes the development of an innovative representation of topography, a detailed analysis of its implication in facility routing, and the development of a substantially improved technique to determine bridge, culvert, and tunnel requirements.
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Alignment Cost alope of section ALPHA analysis angle AVGGNDSLOPE basin model begin bridge construction cost Chapter CIRCUITY and SMOOTHNESS cost curve Cost for Theta cost functions COTEMB COTTER culvert determine direction of movement DIST drainage basin EARTHPRICE earthwork cost earthwork volume ENERGY equation estimated facility alignment FACLENGTH FACSL0PE2 FACSLOPE FACWIDTH Flat Terrain geometry GNDSLOPE gradient height HMAX homogeneous terrain section HPFUEL HTWIDTH ideal circuity instrumental variables LENGTH2 limiting speed load factor marginal cost maximum meters NEQNT optimum alignment optimum CIRCUITY order horizontal alignment parameters procedure READLN ridge RIDGESLOPE river RIVERSLOPE road section rolling surface runoff section 1 path Sensitivity of Total shown in Figure Steep Terrain streams STREAMSLOPE structures superelevation terrain alope terrain model TERSLOPE topography total cost transportation transversal TTIME VCURVE VDESIR vehicle operating cost vertical alignment width World Bank WRITE Slope WRITELN Lat