Incorrect Testing Practices Rensselaer NY

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

Aquaseal USA
(866)788-9283
117 Vosburgh Road
mechanicville, NY
Con-Tech Construction
(518) 479-4437
102 Washington Ave
Albany, NY
Amstel Recycling & Concrete Corp
(718) 474-4741
7302 Amstel Blvd
Arverne, NY
Hudson-Rumsey Co Inc
(716) 873-9500
1679 Niagara St
Buffalo, NY
D E R Contracting Inc
(631) 698-2892
80 Sunset Ave
Selden, NY
Residential One, LLC
518-383-3199
207 Riverview Road
Rexford, NY
ACE Line Striping
518-785-0096
PO Box
East Greenbush, NY
Patio Designs by J A Scott
(518) 283-1475
472 N Greenbush Rd
Rensselaer, NY
Tony & Sons Concrete Corp
(631) 451-0917
95 Sunset Ave
Selden, NY
Lufrano Building Inc
(718) 984-0824
22 Retford Ave
Staten Island, 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

Related Articles
- Festool Circ Saw and Guide Rail System Rensselaer NY
The TS 75 EQ excels at making precise straight cuts. It's not a framing saw, and it doesn't pretend to be; but this precise saw and guide will change the way you make long clean cuts on site.
- Green Construction Rensselaer NY