This book presents recent research findings and critically reviews the existing literature related to assessment of geotechnical structures under complex and extreme loading conditions such as cyclic, seismic and blast loads. Special emphasize is given to experimental assessment of behaviors of soils and rocks in tunneling , while advanced numerical modelling techniques are utilized for modelling and accurate predictions in emerging construction projects such as tunneling and embankments. The book is in line with current trends in civil engineering which are moving towards sustainable design and construction addressing the energy and material challenges. Papers were selected from the 5th GeoChina International Conference 2018 ¿ Civil Infrastructures