Abstract: Concrete bridges in the United Kingdom represent a major legacy that is starting to show signs of distress. Therefore, the need for monitoring them is an urgent task. The acoustic emission (AE) technique was proposed as a ...

Abstract: As part of an ongoing program into the noninvasive geometrical characterization of masonry arch bridges, a laboratory study of radar propagation through masonry has been undertaken. A 2.4 m long × 1 m wide × 1.5 m high ...

Abstract: A study was undertaken of the dynamic stiffness characteristics of a concrete road slab. An undeformed slab was tested with and without a void. A second slab, which had a crack across the middle, was also tested with and ...

Abstract: This paper outlines experiments performed on a simulation model of excavator-dump-truck–type earth-moving operations with the intention of indicating the parts of an earth-moving system to which the output is most sensitive. ...