Incorrect Testing Practices Merrick NY

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

x builders inc
347-952-1776
9031 171st st 2nd floor
jamaica, NY
Futter Lumber Corp.
(516) 764-4445
100 Merrick Road
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DL Restoration & Builders Corp
718 275 3995
107-12 71st Road
Forest Hills, NY
Gotham Builders
800-444-4923
203- 20 Rocky Hill Road
Bayside, NY
Topnotch construction & landscaping service inc
(646) 533-2645
17711 145TH RD
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Hudson Fasteners, Inc.
516-897-8900
P.O. Box 150
Long Beach, NY
new age roofing
718-626-0027
60-74 70 street
maspeth, NY
jbs construction & waterproofing
(347) 583-5313
1149 white plains rd
bronx, NY
AM Shield Waterpoofing
516 294-8400
33 Albertson Ave.
Albertson, NY
Uvs Construction
(718) 554-0426
Beach 74Th St
Arverne, NY
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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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