Incorrect Testing Practices Delmar NY

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

ACE Line Striping
518-785-0096
PO Box
East Greenbush, NY
Con-Tech Construction
(518) 479-4437
102 Washington Ave
Albany, NY
Atlantic Concrete Foundation Inc
(845) 691-6879
1 Haviland Rd
Highland, NY
Lapietra Contracting Corp
(718) 439-1919
5320 3rd Ave
Brooklyn, NY
Knowles Mark
(607) 336-3000

Norwich, NY
Residential One, LLC
518-383-3199
207 Riverview Road
Rexford, NY
Ethos Homes, LLC
518-275-5731
20 Jordan Ln
Glenville, NY
Northwest USA Inc
(212) 764-6303
1095 Avenue of
New York, NY
M & V Concrete Contracting Corp
(631) 736-6361
60 Ridgewood Ave
Selden, NY
Pas-Crete Co
(607) 724-0001
14 Midwood Dr
Binghamton, 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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