Titlebook: Water in Road Structures; Movement, Drainage & Andrew Dawson Book 2009 Springer Science+Business Media B.V. 2009 Drainage.Environmental ass

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Introduction,forms the first chapter. It gives an overview of the subjects to be covered in the following chapters, introduces the key topics including definitions of subgrade and pavement layers, their classification from a drainage point-of-view together with a brief coverage of the principle of effective stre

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Measurement Techniques for Water Flow, and suction. for estimating the water content the gravimetric method is described as well as non-destructive methods such as neutron scattering, time domain reflectometry and ground penetrating radar. Then methods for estimating both the saturated and the unsaturated permeability of soils and granu

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Heat Transfer in Soils,n the moisture flow within pavements. At temperatures below 0°C the freezing of pavements dramatically changes the permeability and frost action might occur forcing water to flow upwards to the freezing front resulting in frost heave and other pavement distress.

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Water in the Pavement Surfacing, ingress capacity of cracks in the pavement are very important. A range of equipment exists to determine the permeability of asphaltic mixtures both by . and laboratory testing. Sometimes porous asphalt surfacing is provided to deliberately allow water into the pavement to limit spray from vehicles

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Heat Transfer in Soils,n the moisture flow within pavements. At temperatures below 0°C the freezing of pavements dramatically changes the permeability and frost action might occur forcing water to flow upwards to the freezing front resulting in frost heave and other pavement distress.

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Contaminant Sampling and Analysis,. The chapter concerns the water and seepage in road structures under the influence of traffic loading, and in the adjacent ground extending to the water table where contaminant seepage is of concern. The text gives an introduction to this subject and guides the reader to relevant literature with de