The 4th International Conference on Civil Engineering Fundamentals and Applications (ICCEFA'23) aims to become the leading conference in fields related to Civil Engineering Fundamentals and Applications. The goal of this civil engineering conference is to provide a space for scholars from all over the world to present advances in the relevant fields and to foster an environment conducive to exchanging ideas and information. Topics themes for ICCEFA’23 include, but are not limited, to the following: Advanced structural materials Architecture engineering Building materials Concrete technology Construction technology Earthquake and structural engineering Geotechnical engineering Green building materials and technology Hydraulic engineering Nanotechnology and civil engineering New technologies, methods and techniques in civil engineering Numerical Methods in Civil Engineering Road, bridge, and railway engineering Traffic engineering Transportation engineering Transportation safety