Author:
Fredlund D. G.,Bergan A. T.,Sauer E. K.
Abstract
Roads and runways in Northern Canada often must carry exceptionally heavy loads. In order to design for these loads, a procedure has been developed which enables the prediction of fatigue life of pavements. Experimental evidence indicates that the definition of resilient deformation, which controls fatigue life of pavements, can be resolved in terms of stress state variables. The resilient modulus is defined in terms of (σ1 – σ3), (σ3 – ua), and (ua – uw) which is applied in a theoretical analysis. Typical forms of the constitutive relationships are presented. The effect of freeze–thaw cycles does not appear to produce significant hysteresis in the constitutive relationships.
Publisher
Canadian Science Publishing
Subject
Civil and Structural Engineering,Geotechnical Engineering and Engineering Geology
Cited by
31 articles.
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