METHOD FOR CHARACTERIZING THE MECHANICAL PARAMETERS OF A ROADWAY
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Abstract
A method for characterizing k mechanical parameters of a pavement formed by a stack in a direction Z of N layers, including: a) applying a load to the pavement to deform the pavement; b) in response, measuring deformation of the pavement at various points with displacement sensors situated at each of the points; c) determining the k parameters on the basis of the measurements of the various sensors. The measuring b) is carried out by at least k sensors buried inside the pavement and distributed in at least two non-parallel directions X and Y perpendicular to the direction Z, and the c) determining of the k parameters is obtained on the basis of known boundary conditions on lateral edges of the pavement.
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Citations
25 Claims
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1-12. -12. (canceled)
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13. A method for characterizing k mechanical parameters of a pavement, the pavement being formed by a stack in a direction Z of N layers and delimited by lateral edges, where k and N are non-zero integers, the method comprising:
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a) applying a load to the pavement to deform the pavement; b) in response, measuring deformation of the pavement at various points with aid of displacement sensors situated at each of the points; c) determining k mechanical parameters on the basis of the measurements of the various sensors and of a predetermined model relating the displacements measured by each sensor to the characteristics of the load applied during a), the model being parametrized by known position of the various sensors with respect to the pavement and by the k mechanical parameters to be characterized; wherein; during b), the measuring is carried out by at least k sensors buried inside the pavement and distributed in at least two non-parallel directions X and Y perpendicular to the direction Z; and during c), the determining of the k parameters is also obtained on the basis of known boundary conditions on the lateral edges of the pavement. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification