This book gathers selected contributions in the field of civil engineering, as presented by researchers and engineers at the II International Scientific Conference “Civil, Industrial and Urban Construction" (CIUC), held in St. Petersburg, Russia, in April 2025. The book covers a wide range of topics including building structures; fire protection of buildings; building materials; building thermal physics; hydraulics; engineering systems; water resources and environmental engineering; water treatment; construction technology and organization; digital construction; artificial intelligence in constructions. The contributions, which were selected by means of a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaborations.