Sometimes old concepts are good, better than new ones. But sometimes these old concepts needs revisions and improvements.
Peikko's BECO Beam Shoe and COPRA Anchor Couplersare a good example of a solid facelifts, products that have been seriously improved both in calculations (=Eurocode) and in functionality.
For heavy industrial precast structures, BECO + COPRA are the right products!
More info on products at http://www.peikko.com/product/p=BECO+Beam+Shoe or at http://www.peikko.com/product/p=COPRA+Anchoring+Coupler