The ICRAST 2021: International Conference on Recent Advances in Shotcrete Technologies aims to bring together leading academic scientists, researchers and research scholars to exchange and share their experiences and research results about all aspects of Recent Advances in Shotcrete Technologies. It also provides the premier interdisciplinary forum for researchers, practitioners and educators to present and discuss the most recent innovations, trends, and concerns, practical challenges encountered and the solutions adopted in the field of Recent Advances in Shotcrete Technologies.