Title:
Concrete Q&A: Rebound Hammer and In-Place Strength Testing; Tolerances for Concrete Slabs Supporting Steel Tanks
Author(s):
Publication:
Concrete International
Volume:
39
Issue:
12
Appears on pages(s):
88
Keywords:
DOI:
10.14359/51701350
Date:
12/1/2017
Abstract:
Q. According to Provision 1.6.4.2 of ACI 301-16,1 a
rebound hammer cannot be used for in-place
strength testing. Does ACI recommend any other
nondestructive testing (NDT) method for in-place strength
evaluation?
Q. My company will be placing a concrete slab
foundation designed to directly support the base
of a steel tank. Does ACI have any documents that
discuss tolerances for elevation of such slabs after placement?
Related References:
1. ACI Committee 301, “Specifications for Structural Concrete (ACI 301-16),” American Concrete Institute, Farmington Hills, MI, 2016, 64 pp.
2. ASTM C805/C805M, “Standard Test Method for Rebound Number of Hardened Concrete,” ASTM International, West Conshohocken, PA.
3. ASTM C597, “Standard Test Method for Pulse Velocity Through Concrete,” ASTM International, West Conshohocken, PA.
4. ACI Committee 228, “In-Place Methods to Estimate Concrete Strength (ACI 228.1R-03),” American Concrete Institute, Farmington Hills, MI, 2003, 44 pp
5. ACI Committee 117, “Specification for Tolerances for Concrete Construction and Materials (ACI 117-10) and Commentary (ACI 117R-10) (Reapproved 2015),” American Concrete Institute, Farmington Hills, MI, 2010, 76 pp.
6. ANSI/AWWA D100-11, “Welded Carbon Steel Tanks for Water Storage,” American Water Works Association, Denver, CO, 2011, 236 pp.
7. ANSI/AWWA D103-09, “AWWA Standard for Factory-Coated Bolted Steel Tanks for Water Storage,” American Water Works Association, Denver, CO, 2009, 152 pp.