Abstract: A statistical analysis of mucky soil properties is performed on the laboratory test result of samples from Fuzhou Rail Transit Line No. 2 Project. The variabilities and correlations among various physical and mechanical properties are examined. The correlations between the physical indices and the mechanical properties are established for the preliminary design of future preliminary design of Fuzhou underground engineering projects. The results indicate that the Fuzhou mucky soils have the following characteristics: high moisture content; low dry unit weight; high void ratio; high liquid limit, large compressibility and low shear strength. The variability of the mechanical properties are found to be large and the sample differences should be considered in the future preliminary design. High correlations are found in following parameters: void ratio and moisture content; liquid limit and moisture content; plastic limit and liquid limit; plastic limit and void ratio. Lower correlations can be identified in following parameters: physical properties of moisture content, natural unit weight, void are correlated with mechanical properties: compressibility, compression modulus, shear strength parameters of cohesion and internal friction angle.

Key words: Fuzhou Area, Mucky Soils, Physical and Mechanical Indexes, Variability, Correlation