Bimsoil, a complex geomaterial comprising rock blocks embedded in a finer-textured matrix, exhibits mechanical behaviour influenced by the interaction between these components. To better understand this relationship, this study investigates the effects of varying block properties, matrix type, and matrix water content on the unconfined compressive strength and failure morphology of Bimsoil. Results indicate that for samples with 25% block volume, the unconfined compressive strength is primarily governed by the matrix material. Among the tested matrix types, silty loam demonstrated the highest strength. Furthermore, failure patterns were observed to vary significantly based on matrix type, block volume, block size, and moisture content. Further, permeability analysis was also performed to study the hydraulic behaviour of Bimsoil with changing block parameters (volume and size) and matrix types. The hydraulic conductivity increases when the sample has a high volumetric block proportion. Among different matrix types, the samples with the Loamy sand matrix demonstrated the maximum coefficient of permeability.