Incorrect Testing Practices Penfield NY

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

Professional Finishes
585-533-9140
28 academy dr.
rochester, NY
CO9 STEEL
585 301 7724
310 angelus dr
ROCHESTER, NY
Domicello Bros
(585) 872-7710
1395 Allen Rd
Penfield, NY
Quest Concrete Corp
(631) 254-4405
230 Fehr Way
Bay Shore, NY
Evans Concrete
(716) 673-9321
4976 Webster Rd
Fredonia, NY
DJM Equipment
585-223-4056
7216 Palmyra Road
Fairport, NY
LM Sanderson Construction Inc.
585 370 6076
891 Dewitt rd.
Webster, NY
Desantis Louie
(585) 377-5594
110 Oakbriar Ct
Penfield, NY
E & A Supply Corp
(631) 366-3980
22 Southern Blvd
Nesconset, NY
Whitford Lc Materials Co Inc
(585) 593-7228
Bolivar Rd
Wellsville, 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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