Incorrect Testing Practices North Tonawanda NY

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

The Revvo Caster Company, Inc.
(716) 675-9609
2420 North America Dr.
West Seneca, NY
Tonawanda Coke Corporation
(716) 876-6222
PO Box 5007
Tonawanda, NY
Loretta Cady
(716) 893-7679
136 Vern Ln.
Cheektowaga, NY
Rigidized Metals Corp.
(716) 849-4760
658 Ohio St.
Buffalo, NY
Metal Supermarkets
(716) 877-7494
2230 Elmwood Ave.
Buffalo, NY
Achieve Architecture, LLP
(716) 626-6719
59 Chaumont Dr.
Williamsville, NY
Unifrax 1 LLC
(716) 278-3843
2351 Whirlpool St.
Niagara Falls, NY
Birdair, Inc.
(716) 633-9500
65 Lawrence Bell Dr., Ste. 100
Williamsville, NY
Delta Sales Associates
(716) 631-8103
8171 Main Street
Buffalo, NY
Goetz Energy Corporation
(716) 876-4324
PO Box A
Buffalo, 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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