The solution is to fit a lock or floor anchor.
How to install floor anchors.
Once you ve drilled the holes you ll need only a hammer and a wrench to install the wedge anchors.
Next you could install concrete sleeve anchor which is probably the most common type of cement anchors.
Begin by drilling holes in the concrete with a hammer drill.
A hammer drill must also be used because it will drill the hole correctly and is designed to break up the base material as it hammers.
If your shed is already built on a concrete pad which is also its floor but has no anchors holding it to the concrete you can install x 7 concrete expansion anchors.
If the anchors are installed too close together it can cause an interaction of the forces thus reducing the holding power of the anchors.
Wedge anchors are fasteners that rely on expanding sleeves to anchor two by fours permanently.
To install a concrete anchor a hole must be drilled in the base material.
How to install concrete wedge anchors.
Carbide tipped drill bits that meet ansi standards must be used as they are tolerance matched to the concrete fastener.
Use wedge anchors to fasten studs to concrete.
If the bottom plate is still exposed the process is the same as if it were a new construction on an existing pad with one additional step.