O georadar é uma técnica de inspecção não destrutiva baseada na emissão de ondas
electromagnéticas, através do solo e em materiais de construção, e na recepção das …

Some masonry arch bridges in Galicia (NW Spain) were surveyed with GPR using 250 and
500 MHz antennas. The main goal of this work was to perform an analysis of historical …

Preservation and maintenance of transport infrastructure is a global concern that affects
social and economic development in all countries. During the last decades, there has been …

Algumas pontes de betão armado, em serviço há mais de 30 anos, apresentam,
actualmente, elevados índices de deterioração, que têm levado as entidades a proceder à …

The conservation of the Monastery of Santa Clara-a-Velha (Coimbra, Portugal) includes the
open-air display of the ceramic tiles that pave the Main Cloister, some of which exhibit …

In the paper results from experimental tests and state of the art of the GPR technique are
presented. Tests were done with the use of SIR-20 GPR system with two antennas 1.6 GHz …

Currently, in several railway networks all over the world, there is a significant number of
masonry arch bridges still in operation. According to data provided by International Union of …

Este artigo aborda a caracterização experimental dos materiais constituintes de casos
existentes de pontes ferroviárias em alvenaria de pedra. O estudo compreende duas pontes …

This work presents the use of ground-penetrating radar (GPR) data in the determination of
overburden volumes and tonnage in mining context. The geophysical method of GPR was …

Arches, vaults and domes are common features in the cultures of old civilizations. They were
usually made of sun-dried bricks, fired bricks or stones with different types of mortar. The …