Incorrect Testing Practices Tonawanda NY

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

Professional Tree Care, Inc.
716 681 9663
po box 344
lancaster, NY
John Wingfelder Architect
(716) 833-5009
272 Huntington Ave.
Buffalo, NY
Overhead Door of Erie County
(716) 874-5931
400 Vulcan St.
Buffalo, NY
Bison Elevator Service, Inc.
(716) 852-3031
295 Main St., 822-824
Buffalo, NY
Klein Steel Service, Inc.
(716) 826-6060
1050 Military Rd.
Buffalo, NY
A+ Contractors of WNY
716-568-4198
3840 E. Robinson Rd. #226
Amherst, NY
Dry Basement Company
715 570 3236
3463 Walden Ave
Depew, NY
Tonawanda Coke Corporation
(716) 876-6222
PO Box 5007
Tonawanda, NY
Anne Wechsler - Educational Consultant
(716) 882-5654
525 Lafayette Ave.
Buffalo, NY
Landmasters Group, Inc.
(716) 771-1304
3021 Transit Rd.
Elma, 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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