Incorrect Testing Practices Queensbury NY

Conducting other tests improperly can also cause rejection of in-spec concrete at the jobsite in Queensbury. Have your drivers learn the correct methods for sampling concrete, measuring slump and air content, and making and curing strength-test specimens in the field. They're your first line of defense against needlessly rejected loads of concrete.

Local Companies

A & S Concrete
(845) 623-0166
85 W Nyack Rd
Nanuet, NY
E B C Contractors Inc
(516) 354-0340
8 N Tyson Ave
Floral Park, NY
Impressive Concrete Corp
(631) 667-7085
264 Suburban Ave
Deer Park, NY
Piccirilli Construction Inc
(607) 722-2656
32 Hall St
Binghamton, NY
Form-It Construction Llc
(518) 842-7246

Amsterdam, NY
Tomassi & Ardovini Inc
(516) 883-8048
14 Graywood Rd
Port Washington, NY
B Devries & Sons Concrete Pumping
(845) 895-9268
604 Bruyn Tpke
Wallkill, NY
Talham Bob Inc
(518) 274-7502
71 Brunswick Rd
Troy, NY
Norcrete Constr Inc
(585) 457-9710
4023 Main St
Strykersville, NY
C G Tanner & Son Inc
(518) 725-4793

Gloversville, NY

Source: THE CONCRETE PRODUCER/CONCRETE JOURNAL MAGAZINE
Publication date: November 1, 1998

By No Author

Abstract:

Erroneous results from improper testing can cause unnecessary rejection of good- quality concrete. Train your drivers to recognize some of the more common testing errors. This article is based on information presented in Down the Chute, the publication of Florida Independent Concrete and Associated Products Inc.The problem isn't confined to strength tests. Conducting other tests improperly can also cause rejection of in-spec concrete at the jobsite. Have your drivers learn the correct methods for sampling concrete, measuring slump and air content, and making and curing strength-test specimens in the field. They're your first line of defense against needlessly rejected loads of concrete.Some improper practices are:

  • Excessive prewetting, leaving surplus water in the container
  • Sampling from the form into which the concrete has been placed
  • Failure to remix the concrete sample in the sample container before starting the tests
  • Failure to use an aggregate correction factor
  • Use of the pressure meter to measure air content
  • Failure to firmly support the base plate
  • Base plate not large enough, allowing high-slump concrete to spill over the edge of the plate
  • Base not level
  • Dampening the slump cone and base leaving a puddle of water on the base
  • Measuring the difference between the top of the cone and the highest or lowest point on the slumped specimen
  • Fai...

Click here to read full article from The Concrete Producer

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