Incorrect Testing Practices Garden City NY

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

MSA QUALITY,INC
(347) 499-1141
2800 COYLE
brooklyn, NY
Gume &Sons
(914) 433-4098
103 Palisade ave
Yonkers, NY
Gotham Builders
800-444-4923
203- 20 Rocky Hill Road
Bayside, NY
Haroon Contracting Inc
(646) 667-5381
1578 williamsbridge road
bronx, NY
Building Structures Unlimited
888-492-1136
17 Reservoir Road Suite 3A
Melville, NY
B & B Construction
(212) 661-6008
420 Lexington Ave
New York, NY
Studio 22 Architecture PC
(212) 988-1067
191 E. 76th Street
New York, NY
AM Shield Waterpoofing
516 294-8400
33 Albertson Ave.
Albertson, NY
Uvs Construction
(718) 554-0426
Beach 74Th St
Arverne, NY
Siller Stairs
(347) 491-3833
18-12 130th Street
New York, 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
- Festool Circ Saw and Guide Rail System Garden City 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 Garden City 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