Incorrect Testing Practices Olean NY

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

Quaker Boy
(814) 362-7073
20 Russell Boulevard
Bradford,, PA
Jim Wankel Home Improvements & More
(814) 966-3418
110 Sweitzer Drive
Duke Center, PA
Minard Run Oil Company
(814) 362-3531
609 South Avenue
Bradford,, PA
Lang Surveying
(814) 368-4139
1059 Lafferty Lane
Bradford,, PA
Penelec - Bradford
(814) 363-2801
475 High Street
Bradford,, PA
Worth W. Smith Company/Bradford
(814) 362-5507
949 E. Main Street
Bradford,, PA
Clyne Builders
(814) 368-3644
233 South Avenue
Bradford,, PA
Kightlinger Excavating, Inc.
(814) 368-5879
30 Main Street
Lewis Run, PA
Crosby Marts - Reid Petroleum
(814) 368-8665
495 South Kendall Ave
Bradford,, PA
Dr. Green Lawn/Custom Turf
(716) 945-0283
296 Rochester Street
Salamanca, 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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