Incorrect Testing Practices Oneonta NY

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

Maio Building Corp
(631) 581-8742
55 Meroke Ln
East Islip, NY
Cosner Construction Corp
(914) 237-8984
1079 Yonkers Ave
Yonkers, NY
R Juniors Contracting Corp
(718) 454-8300
18314 Jamaica Ave
Hollis, NY
Ferrara Brothers Building Material Corp
(718) 707-9804
5722 49th St
Maspeth, NY
F J Concrete Corp
(631) 234-0164
19 Hawthorne Ave
Central Islip, NY
Bold Michael Builders
(607) 432-7177
167 Easy
Oneonta, NY
East West Concrete Corp
(631) 205-9453
17 Munsell Rd
Medford, NY
Hynes Concrete Contractor Inc
(315) 986-2415
1599 Wayneport Rd
MacEdon, NY
Roman Concrete Corp
(631) 499-8542
285 Commack Rd
Commack, NY
Ac D Concrete
(716) 881-9747
525 Auburn Ave
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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