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 slab surface is, demonstrating the quality of the initial strike off and finishing process. The F-number system uses floor surface curvature calculated from elevation differences over 24 in. …

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 …

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 …

Conventional saw cuts should generally be made to one-fourth the depth of the slab (ACI 327R-14), although early-entry saws can cut to a lesser depth and still be effective (ACI 224.4R-13). …

The principal causes of cracking and recommended crack-control proce-dures are presented. The current state of knowledge in microcracking and fracture of concrete is reviewed. The control …

ACI Committee Reports, Guides, Manuals, and Commentaries are intended for guidance in planning, designing, executing, and inspecting construction. This document is intended for the …

The fifth edition provided new information on settlement of concrete, shoring and forming, strength requirements, cold-weather concreting, and shotcrete. The sixth edition primarily provided …

Additional Definitions Back shores – shores placed under a slab or structural member after the original formwork and shores have been removed from a small area without allowing the entire …

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.