Road pavement monitoring Client Kellogg, Brown and Root Ltd Challenge Development of a mechanism for monitoring compressive strains in road pavements for detection of pavement deterioration, and for possible weigh-in- motion Resolution Road pavements have a multi-layered structure, with each layer having di?erent depths and relative proportions of hardcore and bituminous material. Models relating the load behaviour of the road surface to the sti?ness of these layers and the integrity of the interfaces between them may be used to predict the condition of the roadway from measurements of surface de?ections in response to an impulse load. However, the veri?cation of these models, particularly over the long term as the roadway degrades, has proved di?cult due to the unavailability of

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