Incorrect Testing Practices Middletown NY

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

LAN Associates
845-615-0350
252 Main Street
Goshen, NY
Esposito & Associates
845-294-0558
262 Greenwich Avenue
Goshen, NY
Ward Pavements, Inc.
845-294-8341
P.O. Box 427
Goshen, NY
Dougherty Concrete
845-386-8800
PO BOX 70
Bloomingburg, NY
Trapps Builders Inc.
(845) 895-1782
199 Denniston Rd.
Wallkill, NY
Carriage Park
845-294-3400
102 Cantor Court
Goshen, NY
Abar Sewer Service, Inc.
845-294-5314
25 Green Street
Goshen, NY
Allegro Landscaping
845-294-8119
32 Parkway
Goshen, NY
Trottown Trucking, Inc.
845-591-5026
1 McNamara Lane
Goshen, NY
A. Prokosch & Sons/Pro-Air Heating & Air Conditioning
845-913-7191
772 South Street
Newburgh, 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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