What do you mean by Fiber Reinforced Concrete Matrix? The material has two components - the matrix is normal cement based paste, mortar or concrete with or with out chemical/mineral admixtures and then you have different kinds of fibers that you add to the matrix - could be short fibers or mats, could be polymeric, metallic or natural like bamboo etc. If youw ant to know whether the material is available commercially, you may want to talk to Lafarge and other RMC companies. They may be able to supply it to you.