TA Engineering (General). Civil engineering (General) 484 Civil engineering, surveying & building 8 TA1-2040 Engineering (General). Civil engineering (General) 6 TH Building construction 6 TD Environmental technology. Sanitary engineering 5 Building construction & materials 4 Compressive strength 3 Concrete 3 HD28 Management. Industrial Management 3 Q Science (General) 3 Strength and testing 3 Structural engineering 3 T Technology (General) 3 TA Engineering. Civil engineering 3 TC Hydraulic engineering. Ocean engineering 3 TJ Mechanical engineering and machinery 3 Additives 2 Compressive Strength 2 Construction industry 2 HE Transportation and Communications 2 Hardening 2 History 2 Materials of engineering and construction 2 NA Architecture 2 Nanostructured materials 2 QH301 Biology 2 Structural health monitoring 2 TK Electrical engineering. Electronics Nuclear engineering 2 TP Chemical technology 2 Tensile strength 2