Including recycled waste material in cement mixes, as substitutes for natural aggregates,
has resulted in diverse research projects, normally focused on mechanical capacities. In the …

The article presents a study on sensitivity of piezoelectric transducers for defect evaluation in
a straight pipe. The transducers are placed in configurations of one, two, and four in …

Chemical or biological contamination, due to natural or man-made disasters, represents a
severe concern for safety and security of people, and of the environment. Chemical agents …