Fig. 1From: Mass Concrete Placement of the Offshore Wind Turbine Foundation: A Statistical Approach to Optimize the Use of Fly Ash and Silica FumeCorrelation plots for validating the independence of independent variables (a binder (x1) versus FA + SF (x2), b FA + SF (x2) versus SF (x3), c binder (x1) versus SF(x3)).Back to article page