Samenvatting
This paper deals with the philosophy adopted by the company Autostrade SpA for the maintenance of a motorway network about 2700 km long. A case study of a slope failure is presented to illustrate the application of this philosophy. In particular, a possible misjudgment in the design of remedial works performed only on the basis of quick in situ tests is reported. Because of the importance of inclinometer surveys in dealing with slope failures, some useful observations about processing criteria for inclinometer data are presented. The procedures adopted to avoid or, when possible, to overcome instrumentation errors are also discussed.