- TE Highway engineering. Roads and pavements - materials, soil stabilisation, lime, cement, fly ash, slag, metakaolin, sili fume, sulphate soils, expansion, heave, sustianability
- TH Building construction - materials, sustainability
- TA Engineering (General). Civil engineering (General) - materials, soil, stabilisation, lime, cement, roads, sustianbility, recycling, waste, sulphate, sulfate, slag, fly ash, silica fume, transportation, construction
ID: 24894