Large amounts of money are spent on pavement maintenance every year. The maintenance improves or preserves the condition of the road network to the benefit of the road users and the society. The applied maintenance methods and strategies vary between countries and the PIARC Technical Committee for "Road Pavements" was, under the issue `Improved Maintenance Methods", given the tasks: Undertake an analysis of the performance of improved maintenance methods including surface maintenance and structural rehabilitation of different types of pavements. Consider the changes to maintenance strategies that have been adopted by road administrations and how these will change future maintenance of pavements. Identify the best maintenance measures for concrete pavement surfaces. The two first tasks are studied in this report. (Author/publisher) This report is available from the Internet site of the World Road Association (PIARC): http://www.piarc.org
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