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 …

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

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 …

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 …

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 …

What nominal maximum sizes of aggregate are recommended? Q. What nominal maximum sizes of aggregate are recommended? A. According to 26.4.2.1 (a) (5) of ACI 318-19, nominal maximum size …

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 first section of this Specification covers general requirements for polished concrete slab finishes. The second section covers requirements for products and equipment, and the third section covers …