Study on permeability characteristics of soil and marble dust soil composite as a eco-friendly building material

Abstract

The major goal of this research is to compare the permeability characteristics of soil after adding marble dust (MD). Materials and Methods: To investigate the variations in permeabilities, a constant head permeability test is performed on two sets of soil samples (group 1: soil without MD, N = 17; group 2: soil with 5 % MD, N = 17). For sample size calculation, the pre-test power and confidence intervals were set at 80 % and 95 %, respectively. Result: The findings of a constant head permeability test reveal that when marble dust is mixed with soil, the permeability of the soil reduces. Because the value of p is 0.0001 (p0.05) for the permeability values observed, there is a significant difference (2 tailed) between two groups of soil. Conclusion: Even when the permeability decreases slightly, it still meets the design code permeability criteria. As a result, marble dust can be utilised as a novel additive material for sustainable construction.