A nondestructive method of investigating the morphology of concrete surfaces by means of newly designed 3D scanner

摘要

This paper presents the possibilities of investigating the morphology of concrete surfaces by means of a novel 3D laser scanner and the advantages of the latter over the previous scanners. The results of such investigations for differently prepared surfaces on elements made of concretes differing in their composition are compared. The results have the form of three-dimensional images and several surface morphology parameters acquirable using this technique. Unlike the commonly used scanners, which scan the entire surface of an investigated element, the novel 3D scanner is used to precisely analyze the morphology of a 50 × 50 mm surface for the purposes of the nondestructive identification of the pull-off adhesion of concrete layers in layered building elements.