Bonded anchors can form part of the connection between a steel structure and concrete. Their selection, however, requires a design covering the forces, the foundation and the column base. The bar diameter alone does not determine the load-bearing capacity. On site, the holes, cleaning and curing time are important. Each of these conditions must match the selected system. Loads, the column base layout and the foundation properties are required. Among other things, pull-out forces, shear and their interaction are assessed. The number of anchors and the edge distances result from the calculations. They are not selected solely according to the size of the hall.

A lightweight frame does not mean that a steel hall can be placed on any concrete surface. The columns transfer concentrated forces to the ground, and wind can also cause uplift effects. The foundation, anchor bolts and column base must work as a coordinated system. An industrial floor slab has a different primary role and does not automatically replace this solution. The foundation transfers the effects from the steel structure to the ground. The floor slab serves, among other things, to take service loads inside, such as vehicle traffic or storage. Both elements can be linked in the design, but such interaction must not be assumed without calculations. The thickness of an existing concrete slab alone does not confirm that a column can be placed on it.