Cad detailed construction drawings of subgrade and pavement drainage of an expressway

Uploaded on: June 15, 2020 19:42:49 come from: Road and bridge municipal administration / Road and bridge works / road engineering

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This data is the detailed construction drawing of subgrade and pavement drainage cad of an expressway, which includes subgrade and pavement drainage drawings, drainage ditches, central separator drainage and other contents. The design is detailed and standardized, and can be downloaded for reference.

Detailed construction drawing of subgrade and pavement drainage cad of an expressway - Figure 1

Detailed construction drawing of subgrade and pavement drainage cad of an expressway - Figure 2

Detailed construction drawing of subgrade and pavement drainage cad of an expressway - Figure 3

Detailed construction drawing of subgrade and pavement drainage cad of an expressway - Figure 4

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Design basis: Technical Rules for Design and Construction of Gob Roads (JTG/T D31-03-2011); Code for Geological Investigation of Highway Engineering (JTG C20-2011); Detailed Rules for Design of Highway Tunnel (JTG/T D70-2010)

Overview: design load: highway Class I. Profile: the maximum longitudinal slope is 5%, the minimum slope length is 200m, the minimum radius of convex vertical curve is 4500m, and the minimum diameter of concave vertical curve is 3000m. The minimum radius of horizontal curve limit is 250m, and the minimum radius is 400m. Cross section: highway grade: two-way four lane expressway; Design speed 80km/h; Subgrade width: integral 24.5m, separate 12.25m; The median is 3m wide and the median is 2m wide. The cross slope of roadway and hard shoulder crown is generally 2%, and that of soil shoulder crown is 4%.

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