Use an impact driver to drive a 3 tapcon screw through the wood and into the floor.
How to build an interior wall on a concrete floor.
Be sure to wear safety goggles when hammering masonry nails into concrete.
Some concrete nails are the cut nail design shown in the photo with a thick flat shank and a tapering v profile.
Measuring from the basement floor to the top of the sill plates better insures a flat floor because basement concrete slabs are never perfectly level but your wood floor can be by following these steps.
Either way the process to find the height of the bearing plate on the interior lower walls is about the same.
This is a short video on anchoring a wooden wall onto a concrete floor.
Choose a length that will penetrate the concrete at least 1 inch.
Repeat at the other end of the board.
I use tapcon concrete screws to secure the wood to the floor.
In this video i show you the method that i use to attach basement framing to a concrete floor.
Since most basements have a concrete floor the tricky part is fixing the partition wall sole plate correctly.
With simple materials and readily available tools the novice carpenter can lay out build and anchor walls on concrete slabs.
Use a hammer drill with 3 16 masonry bit to drill a hole through the wood and into the concrete floor.
Cut pressure treated 2 x 4 boards to length and lay them along the chalk line.
Determine the wall location.
Other nails have a thick shank that sometimes has spiral ridges for improved holding power.
The end result of the project however probably will be.
Walls are built from the ground up.