Jan 21, 2026 · A concrete slab is a structural feature, usually of constant thickness, that can be used as a floor or a roof. A slab-on-ground is supported on the subsoil and is usually reinforced with …

This guide presents state-of-the-art information relative to the construction of slab-on-ground and suspended-slab floors for industrial, commercial, and institutional buildings. It is applicable to the …

A.The simple answer is no. If the slab-on-ground is not relied upon to carry loads from the building structure, the ACI 318 Building Code does not cover the design. Section 1.4.8 in ACI 318-191 states: …

The resulting shear capacity will be less than calculated in ACI 318-14, especially if the design section has a low ρ as is likely in double-tee flanges, other precast slab elements, or cast-in-place slabs.

Acceptable concrete cracking Q. What is considered as acceptable concrete cracking in cast-in-place foundation walls and slabs per ACI documents? My company is the concrete contractor on a large …

Placement of welded wire reinforcement (WWR) in a slab-on-ground Q. I’m looking for clarification regarding placement of welded wire reinforcement (WWR) in a slab-on-ground floor in a warehouse. …

A. Saw cuts, also called relief cuts, should be timed carefully to control cracking and maintain the integrity of the slab. According to ACI 302.1R-15, saw-cutt

Jan 21, 2026 · The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational …

This guide covers the design of slabs-on-ground for loads from material stored directly on the slab, storage rack loads, and static and dynamic loads associated with equipment and vehicles.

The definitions provided herein complement that source. backshores—shores left in place or shores placed snugly under a concrete slab or structural member after the original formwork and shores …