Construction sites | Cement types | Gravel classes | Origin of sand | Quantity of water | Mixing of concrete | Latitude | Longitude |
Shipyard 0: Sample Control sample | CEM II 42.5R | 5/10 et 12.5/25 | Crushed | Variable | Manual | - | - |
Shipyard 1 | CEM II 42.5 | 3.15/ 12.5 | Congo River | Variable | Manual | 4˚17'44.0"S | 15˚14'35.7"E |
Shipyard 2 | CEM II 42.5R | 5/25 | Concassé | Variable | Manual | 4˚17'02.8"S | 15˚15'20.6"E |
Shipyard 3 | CEM II 32.5R | 5/16 et 12.5/25 | Congo River | Variable | Manual | 4˚17'41.1"S | 15˚15'20.5"E |
Shipyard 4 | CEM II 32.5R | 5/31.5 | Congo River | Variable | Manual + adjuvant | 4˚14'55.3’’S | 15˚16'23.5"E |
Shipyard 5 | CEM II 42.5R | 5/31.5 | Djiri quarry | Variable | Manual | 4˚14'56.4"S | 15˚16'13.8"E |
Shipyard 6 | CEM II 42.5R | 5/25 | Congo River | Variable | Manual | 4˚14'57.1"S | 15˚16'13.5"E |
Shipyard 7 | CEM II 42.5R | 5/25 | Djiri quarry | Variable | concrete mixer | 4˚15'29.0"S | 15˚15'54.4"E |
Shipyard 8 | CEM II 42.5R | 3.15/10 et 12.5/25 | Congo River | Variable | concrete mixer + adjuvant | 4˚16'28.5"S | 15˚17'10.1"E |