Utilisation of construction, demolition and excavation waste for the production of compressed trommel fines blocks

This paper investigates the reuse of trommel fines generated from construction, demolition and excavation waste to produce Compressed Trommel Fines Blocks (CTFBs). Four mix designs investigated the influence of 0 - 15% cement stabilisation on the mechanical properties, durability characteristics and chemical composition of CTFBs. The compressive and flexural strength ranged from 1.49 - 10.1 MPa and 0.23 - 1.82 MPa respectively, with the highest values achieved at 15% cement content. The incorporation of 10 - 15% cement was found to significantly improve the durability of CTFBs. Chemical analyses provided evidence of cement hydration and gave insight into leaching behaviour of potentially toxic elements.