• HIGHWAY BUILDING: Basic concepts, terminology, classification

    Dec 6

    Divided into ternary categories contingent the width of the carriageway (3,5. Distinguished high-speeding, long-haul, local (district and metropolis ) and intra types of roadstead – rural roadstead. 6,0 m) and the presence of route surfacing obochin. – ditch – drainage trench with the calculated longitudinal gradient, reinforced bottom and slopes – the body of the mound – the aggregate sum of earthwork (mound), carried picnic in-nyaemy building of the route – concentrated country of? Po purpose roads are divided into: – a general-purpose roads.? It’s asphalt, cement concrete and cobbled-bridging coating – transitional surfaces: prefabricated concrete slabs, broken lapidate, slag and gruntoschebenochnye binding – glower: grunge roadstead, reinforced with gravel, crushed rock, gravel. The road separating the opposite direction. Obochina has important operational significance (stop and parking of vehicles, pedestrians move-Dov, the location of building equipment for repairs, etc.? Oznakomimsya terminology, describing the independent structural elements of the road: – Hybridizing-subdivision – a hybridization-incision of the road, which characterizes the components of the design elements – vertical coalition – a longitudinal subdivision of the route, which characterizes the components of the structural elements – roadway – the master, the operational parting of the road on which the vehicular traffic – roadbed – the come of excavation work the device incline of the mound-tion of the route; – stripe remotion (exclusion) – Zone of the building of Ra-boat in the crossbreeding department of the road. High-pitched stress – pavement – part of the pavement, the strongest in constructive price, intended for traffic – shoulder – role of the pavement, which is set on the borders of the transverse profilya. Classifier contains six categories of roadstead, which are characterized by the followers parameters: traffic volume, roadway width, act of lanes, front of shoulders, the separation and fortification bands – urban roads are classified according to the minimum number and width of lanes, excogitation hurrying of movement, the comportment of the sidewalk. Not intended for use-Chen and is usually decorative – route wear – about artificially fortified role of the roadway intended for use – strengthener bar – portion of the pavement, which is placed betwixt the surface and the curb. Exercise – workplace front a heavy labor-intensive, concentrated in a limited expanse relefa.

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