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- slab, concrete Topic
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 reinforcing bars or welded wire mesh A suspended slab (or structural slab) spans between supports and must be reinforced to resist bending moments calculated from statics based on the magnitude of load and
- 302. 1R-04 Guide for Concrete Floor and Slab Construction
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 construction of normalweight and struc-tural lightweight concrete floors and slabs made with conven-tional portland and blended cements
- Acceptable concrete cracking
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 warehouse project, and I want to discuss the potential for cracking with the contractor and the owner A Concrete cracks are possible on any project, so it’s wise to set reasonable expectations for
- Popouts or popoffs? - American Concrete Institute
Popouts or popoffs? Q My concrete driveway was placed last year in the fall This summer, I noticed that small concrete fragments have broken off the driveway surface exposing large pieces of aggregate Can you tell me what might have caused this issue? Should I worry about further deterioration? A There are two types of surface distress that fit your description One, called a popout, is a
- ACI 360R-10 Guide to Design of Slabs-on-Ground
This guide presents information on the design of slabs-on-ground, primarily industrial floors It addresses the planning, design, and detailing of slabs Background information on design theories is followed by discussion of the types of slabs, soil-support systems, loadings, and jointing Design methods are given for unreinforced concrete, reinforced concrete, shrinkage-compensating concrete
- ACI 347R-14: GUIDE TO FORMWORK FOR CONCRETE
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 have been removed from a small area, without allowing the entire slab or member to deflect or support its self-weight and construction loads
- American Concrete Institute
American Concrete Institute
- What nominal maximum sizes of aggregate are recommended?
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 of coarse aggregate shall not exceed the least of (i), (ii), and (iii): (i) one-fifth the narrowest dimension between sides of forms (ii) one-third the depth of slabs (iii) three-fourths the minimum specified
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