Title: Some influences of layer thickness variations on backcalculation and rehabilitation design
Abstract: Since the late 1980’s pavement surface deflection measurements have played an increasingly important role in pavement condition assessment. Several types of pavement deflection devices are commonly used, with the Falling Weight Deflectometer (FWD) being perhaps the most frequently used for network surveys and rehabilitation design studies. Pavement surface deflections can be used at several levels, each of which is suited to a specific analysis need. Some uses of pavement surface deflections include: The use of deflection bowl parameters to obtain a fast and relative indication of pavement structural capacity (used at the project and network level); The use of the deflection bowl to obtain an estimated pavement structural number (Rohde, 1994), and The use of the deflection bowl to backcalculate the stiffness of the various pavement layers (used mostly at project level).
Publication Year: 2002
Publication Date: 2002-07-01
Language: en
Type: article
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Cited By Count: 1
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