Risultati della ricerca dei vuoti sotterranei con il metodo dei profili in resistività in una zona delle fondazioni di un Viadotto

We refer on obtained results in an investigation of hurried cavities. We employed a « Grandinetti's » electrode array using focalised current. Wo have compared directly on field Sehlumberger array and Grandinetti's electrode array. The results of the interpretation, made with comparation method, have permitted to find some hurried cavities demonstrating the efficacy of Grandinetti's electrode array