Incorrect Testing Practices North Babylon NY

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

Great Neck Saw Manufacturers
(516) 746-5352
165 East Second Street
Mineola, NY
slr general construction
1646 420 2006
173 morton blvd
plainview, NY
trinchese iron works and construction inc.
(718) 848-1954
3375 royal ave
oceanside, NY
AM Shield Waterpoofing
516 294-8400
33 Albertson Ave.
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Total Home Construction Corp (since 1989)
(516) 822-4747
1120 Old Country Rd
Plainview, NY
Truckloaders
631-872-2275
West Jericho Tpk
Smithtown, NY
Futter Lumber Corp.
(516) 764-4445
100 Merrick Road
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BELLA PORTA LLC.
888-366-7748
92 Front street
Hempstead, NY
VISCO ASBESTOS REMOVAL
516 547 2510
235 ROBINS LA
SYOSSET, NY
Pro Qualtiy Home Improvements Inc.
631 393 6812
500 Bi-County Blvd.
Farmingdale, 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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