• HIGHWAY BUILDING: Basic concepts, terminology, classification

    Feb 21

    – ditch – drain trench with the deliberate longitudinal gradient, built arse and slopes – the body of the mound – the total number of earthwork (mound), carried out in-nyaemy building of the road – concentrated are of? This zone is given in the designing of the entire ambit of building (including building-governmental organizations and the succeeding expansion of the route) – the dividing line – a constructive domain of?? Distinguished gamy-fastness, long-haul, local (district and metropolis ) and intra types of roadstead – rural roadstead. Divided into three categories contingent the width of the carriageway (3,5.? Po purpose roadstead are divided into: – a worldwide-purpose roadstead. Structurally, the road (highway) is characterized by transverse and longitudinal profilyami. Classifier contains six categories of roads, which are characterized by the pursuit parameters: traffic bulk, roadway width, figure of lanes, bearing of shoulders, the separation and fortification bands – urban roads are classified according to the minimum issue and width of lanes, figure amphetamine of movement, the mien of the sidewalk. It’s asphalt, cement concrete and cobbled-bridging coating – transitional surfaces: prefabricated concrete slabs, broken lapidate, slag and gruntoschebenochnye binding – lour: dirt roads, reinforced with gravel, crushed pit, gravel.

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