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

L & L Electrical Construction Inc.
(716) 822-6362
3010 Whitehaven Rd.
Grand Island, NY
J.L. Moore, Inc.
(716) 912-8799
1 Trillium Place
Orchard Park, NY
Great Lakes Pressed Steel Corp.
(716) 885-4037
1400 Niagara St.
Buffalo, NY
Buffalo Crushed Stone, Inc.
(716) 826-7310
2544 Clinton St.
Buffalo, NY
Empire Machine Tool Services
(716) 208-0040
PO Box 2481
Blasdell, NY
Eastern Hospitality Advisors
716-362-1220
651 Delaware Ave
Buffalo, NY
Wittburn Enterprises, Inc.
(716) 856-6610
36 Cypress Street
Buffalo, NY
Rigidized Metals Corp.
(716) 849-4760
658 Ohio St.
Buffalo, NY
Husky Injection Molding Systems, Inc.
(716) 630-7300
55 Amherst Villa Rd.
Buffalo, NY
County Line Stone Co., Inc.
(716) 542-5435
4515 Crittenden Rd.
Akron, 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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