DeFelsko PosiTest AT 50 mm C1583 Kit Addendum To Instruction Manual
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DeFelsko PosiTest AT 50 mm C1583 Kit Addendum To Instruction Manual

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AT
50 mm C1583 Kit
Addendum to Instruction Manual v. 5
The PosiTest AT 50 mm C1583 Kit is designed to
measure tensile strength of concrete surfaces and the
bond strength or tensile strength of concrete repair and
overlay materials by direct tension (Pull-Off Method), in
accordance with ASTM C1583.

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Summary of Contents for DeFelsko PosiTest AT 50 mm C1583 Kit

  • Page 1 50 mm C1583 Kit Addendum to Instruction Manual v. 5 The PosiTest AT 50 mm C1583 Kit is designed to measure tensile strength of concrete surfaces and the bond strength or tensile strength of concrete repair and overlay materials by direct tension (Pull-Off Method), in...
  • Page 2 Steps to Perform a Pull-Off Test 1 - Dolly & Surface Preparation Ensure the steel dolly (disk) is clean and free of debris. Remove all surface contaminants and loose or deteriorated concrete from surface. 2 - Prepare Test Specimen Using the included 50 mm diamond-impregnated core bit (barrel), drill a circular cut perpendicular to the surface.
  • Page 3 3 - Glue and Dolly Application Attach the steel dolly to the test specimen using epoxy adhesive. Allow the adhesive to cure per the manufacturer’s instructions taking care to ensure the adhesive does not enter the cut. NOTE: ASTM C1583 specifies an ASTM C881 Type IV, Grade 3 epoxy.
  • Page 4 Every effort has been made to ensure that the information in this manual is accurate. DeFelsko is not responsible for printing or clerical errors. © DeFelsko Corporation USA 2017...

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