Incorrect Testing Practices Mount Vernon NY

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

McFarlane Aspalt
201-327-5258
120 E Main St
Ramsey, NJ
jbs construction & waterproofing
(347) 583-5313
1149 white plains rd
bronx, NY
Omnibuild, LLC
(212) 419-1930
29 Broadway
New York, NY
Conti Construction
(201) 434-0617
60 Kellogg St
Jersey City, NJ
Van Go General Contracting
(201) 387-9013
326 So. Washington Ave
Bergenfield, NJ
A PERFECT PAINTER AND WALLPAPER
(212) 262-1959
459,w 47st
new york, NY
ContiGroup
(212) 207-5100
277 Park Avenue
New York, NY
MCFARLANE PAVING
201-327-1591
23 BRIARCLIFF RD
UPPERSADDLE RIVER, NJ
Citi Skyline contractors inc.
(917) 583-3312
68-01 Forest avenue
Ridgewood, NY
Gotham Builders
800-444-4923
203- 20 Rocky Hill Road
Bayside, NY
Data Provided by:
  

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

Related Articles
- Green Construction Mount Vernon NY
Sustainable building practices are gaining acceptance in the competitive world of concrete construction. The editors of Concrete Construction and The Concrete Producer have created a new award program to recognize the concrete community's innovative contributions to green building.
- Festool Circ Saw and Guide Rail System Mount Vernon NY
Related Local Event
Long Island Building & Facility Maintenance Show
Dates: 5/5/09 - 5/8/20
Location: David S. Mack Sports & Exhibition Complex - Hofstra University
Hempstead, NY
View Details