Incorrect Testing Practices Glens Falls NY

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

Arrow Construction Co
(585) 394-4135

Canandaigua, NY
Spang Concrete Contractor
(518) 664-8005
150 George Thompson Rd
Mechanicville, NY
Colindale Construction
(718) 479-1186
18849 McLaughlin Ave
Jamaica, NY
Bellia A S & Son Inc
(716) 692-2700
105 Mill St
Tonawanda, NY
Extreme Concrete Designs
(631) 331-1665
6 Enterprise Dr
East Setauket, NY
Northside Structures
(718) 727-5500
1250 Hylan Blvd
Staten Island, NY
Complete Contracting
(516) 731-2194
3766 Hahn Ave
Bethpage, NY
Mgf Contracting Corp
(718) 948-5853
213 Bayview Ave
Staten Island, NY
Custom Stamped Concrete
(518) 696-3329
134 Stony Creek Rd
Hadley, NY
Nelson Todd R Masonry Llc
(716) 488-2611

Jamestown, 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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