Incorrect Testing Practices Clifton Park NY

Conducting other tests improperly can also cause rejection of in-spec concrete at the jobsite in Clifton Park. 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

Advanced Environmental Associates
(518)522-4406
2877 Rt.9
Malta, NY
ACE Line Striping
518-785-0096
PO Box
East Greenbush, NY
Con-Tech Construction
(518) 479-4437
102 Washington Ave
Albany, NY
North Star Concrete Court
(631) 289-3696
1059 Waverly Ave
Holtsville, NY
Battista Construction Inc
(716) 823-0191
3315 N Benzing Rd
Orchard Park, NY
Residential One, LLC
518-383-3199
207 Riverview Road
Rexford, NY
Aquaseal USA
(866)788-9283
117 Vosburgh Road
mechanicville, NY
Ethos Homes, LLC
518-275-5731
20 Jordan Ln
Glenville, NY
Durao Concrete
(631) 758-3645
19 Harlem Ave
Medford, NY
Sweet Home Associates Inc
(716) 695-0007
59 Lynbrook Dr
Tonawanda, 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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