Archaeological survey at the Lugo Roman wall using GPR (Galicia, NW Spain)

Abstract

(Spain) C/ Marti i Franques sin 08071-Barcelona 1.-INTRODUCTION Commissioned by the Spanish Authority of Culture a geophysical survey using GPR has been carried Out in the Roman City Wall of Lugo (Spain). The purpose was the inspection of the City Wall and surrounding areas with the aim of detecting hidden structures of the original building. The starting point of this project was the detection of two double-branch steps during consolidation works in one tower of the City Wal!. Besides, historical notes informed us about the presence of other steps unearthed after collapses near the Obispo Aguirre gate. This facts, together with the achievement of the 'Plan Integra! de Conservaciôn y Restauraciön de la Muralla de Lugo' (Integral Plan for the Maintenance and Restoration of the Roman City Wall of Lugo) lead to undertake the placement of new hidden steps and whichever original structure of the building, by means of non-destructive techniques.