Requirements of treated soil by hydraulic binders

The soil requirements when treated by hydraulic binder are specified in the appropriate specification depending on the binder used CEN EN 14227-10 (2006) for soil treated by cement, CEN EN 14227-11 (2006) for soil treated by lime, CEN EN 14227-12 (2006) for soil treated by slag, CEN EN 14227-14 (2006) for soil treated by fly ash and CEN EN 14227-13 (2006) for soil treated by hydraulic road binder. 

Source Adapted from CEN EN 14227-1, Hydraulically bound mixtures - Specifications - Part I Cement bound granular mixtures, Brussels CEN, 2013. With permission ( CEN). 

In the same specifications, details of the requirements for their composition and laboratory performance classification can also be found. 

These HBMs are normally used as a capping or as a sub-base layer. 

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