Learn how to level an uneven concrete floor using self-leveling underlayment in this step-by-step instructional video. We’ll ...

Learn how to replace a damaged section of sidewalk using simple tools and concrete bags. This step-by-step guide shows you how to remove the old slab, prepare a solid gravel subbase, build your forms, ...

Abstract: Crack detection on concrete bridges is a critical task to ensure bridge safety. However, many cracks on concrete bridges show low contrast and blurry edges in practice, which brings ...