Incorrect Testing Practices Depew NY

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

Lauer-Manguso & Associates Architects
(716) 837-0833
4080 Ridge Lea Rd.
Buffalo, NY
LPCiminelli, Inc.
(716) 855-1200
The Cyclorama Building
Buffalo, NY
K & D Home Improvement
(716) 875-6181
37 Peoria St.
Buffalo, NY
Unilock, Inc.
(716) 822-6074
510 Smith St.
Buffalo, NY
Curtis Screw Co., LLC
(716) 898-7800
50 Thielman Dr.
Buffalo, NY
Tricon Construction & Development Corp.
(716) 775-0250
195 Industrial Dr.
Grand Island, NY
Architectural Resources PC
(716) 883-5566
505 Franklin St.
Buffalo, NY
Anne Wechsler - Educational Consultant
(716) 882-5654
525 Lafayette Ave.
Buffalo, NY
Lang's Landscaping, Inc.
(716) 633-1983
25 Smallwood Terr.
Cheektowaga, NY
Natale Building Corp.
(716) 759-1788
9276 Main St., Ste. 3A
Clarence, 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...

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