Floor Slab Cut Grade

Guide for concrete floor and slab construction aci 360r 06.

Floor slab cut grade.

Cutting reinforcement at joints. A slab supported by ground whose main purpose is to support the applied loads by bearing on the ground. A good rule of thumb is to cut the joints one quarter to one third the slab thickness. Supports are needed for long term performance of welded wire reinforcement in slab on grade.

The slab may be of uniform or variable thickness and it may include stiffening elements such as ribs or beams. Then leave them for three days. The slab may be unreinforced reinforced or post tensioned concrete. How to cut a concrete floor for new plumbing.

Guide for concrete floor and slab construction aci 302 1r 04 foreword the quality of a concrete floor or slab is highly dependent on achieving a hard and durable surface that is flat relatively free of cracks and at the proper grade and elevation. Building additions that include a slab on grade construction also are subject to the slab edge requirements listed in the iecc irc. In the context of this guide slab on ground is defined as. If the joint is too deep aggregate interlocking will not be sufficient to transfer loads.

For a 6 inch thick slab that means cutting 1 5 to 2 inches deep. Cut plastic garbage bags into squares and then tape them to the floor in various places around the basement. Structural support functions the floor slab of the below grade building enclosure must be designed to carry downward vertical gravity loadings as well as any upward soil or hydrostatic pressure loadings. During new construction the builder installs drain lines and stubs that will connect to future plumbing fixtures before he pours the slab on grade.

Installing laminate basement flooring. This is a fairly simple test to check for moisture in the concrete slab. Estimate the labor price to pour concrete vs. Buy precast cement pads.

Properties of the surface are determined by the. Homeadvisor s concrete slab cost calculator gives average installed concrete costs per square foot or size 30x30 24x24 40x60 for garage floors sheds backyard slabs and more. Downward vertical gravity loadings exist from the dead weight of the floor slab and any occupancy live loads.