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CVE 409 HIGHWAY ENGINEERING

Learn about highway geometric design, route location, soil properties, bituminous materials, and traffic engineering in this comprehensive course outline. Understand factors influencing highway design, techniques for highway surveys, classification of soils for highway use, and traffic volume studies. Grading policy and class projects included.

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CVE 409 HIGHWAY ENGINEERING

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  1. CVE 409HIGHWAY ENGINEERING DR O.S ABIOLA DEPARTMENT OF CIVIL ENGINEERING UNIVERSITY OF AGRICULTURE, ABEOKUTA

  2. INTRODUCTION • Teaching approach & Grading Policy • COURSE OUTLINE • Highway Geometric Design • Route Location • Soil and Bituminous material • Traffic Engineering

  3. HIGHWAY GEOMETRIC DESIGN • Factors Influencing Highway Design Highway design is based on several design standards & controls, Which depend on; • Functional classification • Expected traffic volume and vehicle mix • Design speed • Design of the Alignment • Horizontal alignment • Vertical alignment • Super-elevation

  4. Route Location • Techniques for Highway surveys • Ground surveys • Remote sensing • Principles of Highway location • Office study: engineering, topography, geology etc. • Reconnaissance : is to identify several feasible routes • Preliminary location survey are used to evaluate the economic & environmental feasibility of the alternatives routes • Final location survey • Preparation of highway plans

  5. Soil Properties • Soil Characteristics: • Origin & formation of soils • Surface texture • Basic Engineering properties of soil • Atterberg limits • Permeability • Shear strength • Classification of soils for Highway use-AASHTO; USCS • Soil Tests for pavement design-Compaction,CBR

  6. Bituminous materials • Description and Uses of bituminous binders- Asphalt cements; SC; RC asphalts, Asphalt emulsion • Properties of asphaltic materials • Consistency • Durability • Rate of curing • Resistance to water action • Tests for asphaltic materials-consistency test; penetration test • Asphaltic concrete is a uniformly mixed combination of bitumen, coarse, fine aggregates & fillers

  7. Traffic Engineering • Spot speed studies- are conducted to estimate the distribution of speeds of vehicle in a stream of traffic at a particular location on a highway • Speed characteristics • Locations of spot speed studies • Methods for conducting spot speed studies • Presentation and Analysis of Spot speed data • Headway- space mean & time mean • Traffic Volume- Different types of traffic counts are carried out, depending on the anticipated use of the data to be collected e.g ADT. AADT • Origin-Destination Study

  8. CLASS WORK PROJECT

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