This book includes peer-reviewed articles from the 8th International Conference on Geotechnics, Civil Engineering and Structures (CIGOS 2026) held on April 16&17 in Ho Chi Minh City, Vietnam. It highlights cutting-edge innovations in geotechnics, civil engineering, and structures for sustainable development, featuring peer-reviewed papers from CIGOS 2026, held in Ho Chi Minh City, Vietnam. Organized by AVSE Global, the University of Architecture Ho Chi Minh City, and the University of Sydney Vietnam Institute, the conference unites global researchers, engineers, and practitioners. It covers key areas: 1) Planning, Architecture, and Industrial Design; 2) Construction, Materials, Structures, and Digital Technologies; 3) Geosciences, Environment, and Energy; and 4) Transportation, Infrastructure, Management, and Investment. Emphasizing multidisciplinary solutions, this book addresses environmental, social, and economic challenges, offering insights into sustainable practices, eco-friendly materials, and advanced technologies for researchers, professionals, and policymakers.