How to construct dry hanging marble on the wall column? The cylinder is covered with joinery boards. Can marble be directly attached to the joinery board with dry hanging glue? Broken marble?

The so-called dry hanging is not directly glued. It is necessary to set the purchased parts in the structure, install the keel, and then hang the slotted stone on the keel with a pendant and bond it, so the marble cannot be directly bonded to the joinery board with dry hanging glue. As for whether the broken marble can be glued together and used continuously. Depending on the specific situation, it is generally not allowed, but it depends on the actual situation. If the look and feel requirements are not high, it can be properly handled to ensure the safety of the structure.