Incorrect Testing Practices Lancaster NY

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

Schneider Design Architects, P.C.
(716) 923-7000
443 Delaware Ave., Ste. 200
Buffalo, NY
Barbalato Builders, Inc.
(716) 689-2409
315 West Klein Rd.
Williamsville, NY
Highland Masonry Restoration, Inc.
(716) 712-0781
33 Ransier Dr.
West Seneca, NY
Dynamic Saw
(716) 827-0446
263 Ransom Rd.
Lancaster, NY
Empire Machine Tool Services
(716) 208-0040
PO Box 2481
Blasdell, NY
Egleston General Construction
716-207-6977
36 Stone Hedge Dr.
Lancaster, NY
Trautman Associates
(716) 883-4400
470 Franklin St.
Buffalo, NY
Robert Miller Construction, Inc.
(716) 434-8807
PO Box 480
Lockport, NY
Julius Blum & Sons Builders, Inc.
(716) 741-9970
8570 Roll Rd.
Clarence Center, NY
Revco Steel Products
(716) 632-0795
162 Surrey Run
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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