Geomaterials in Geotechnical Engineering

In the special issue, a total of 79 manuscripts were received, and 44 of these were accepted.is special issue aims to highlight some recent innovations on multiphase geomaterials before and after modifications.Geomaterials are materials inspired by geological systems originating from the billion years long history of the earth.However, with the industrialization, these materials are artificially processed to the outputs as construction materials or by-product wastes.e geomaterials may include rock, clay, granular materials, treated soils, and industrial waste.e cognition on the observed behaviour of geomaterials should be upgraded by newly developed multiphase/scale analysis methods.It could be of great benefit to enhance the safety and reliability of geotechnical infrastructures built on/by geomaterials if a clear understanding can be achieved.erefore, the micro-macro behaviour, interpretation and modelling, modification, and engineering application of multiphase geomaterials should be systematically studied by the new testing technologies, new theoretical frameworks, and new analysis tools.In particular, as environmental requirement and engineering availability of by-product wastes, the efficient recycling of the waste for geotechnical infrastructures is included in this issue.