One of the Iraqi geotechnical problems is presence gypseous soils covering about (27-36) percentage Iraq containing gypsum between (10-70) ratios. The main reason for soil problematic dissolution when these are inundated. However, soluble can be leached out particles, so led to cracking, tilting, and collapsing related structure changing properties. aim this work investigate performance under-r...

Abstract Collapsible soils present significant geotechnical and structural engineering challenges worldwide. They can be found in arid or semi-arid regions are directly affected by the multi-step wetting procedure due to reduction of soil suction. The main objectives this paper investigate volume change behaviour, collapse mechanism deformation characteristics under control suction net vertical...

The treatment of sulfate-bearing soil with calcium-based stabilizers such as cement or lime often results in ettringite formation, consequently leading to swelling and strength deterioration. Ettringite formation has negative environmental economic effects on various civil engineering structures. This study was conducted investigate the use different materials (nano–magnesium oxide (M), ground ...