DeFelsko PosiTest AT 50 mm C1583 Kit Installation and operating instructions

The PosiTest AT 50 mm C1583 Kit is esigne to
measure tensile strength of concrete surfaces an the
bon strength or tensile strength of concrete repair an
overlay materials by irect tension (Pull-Off Metho ), in
accor ance with ASTM C1583.
Addendum to Instruction Manual v. 5
AT
50 mm C1583 Kit

Steps to Perform a Pull-Off Test
1 - Dolly & Surface Preparation
Ensure the steel olly ( isk) is clean an free of
ebris. Remove all surface contaminants an loose
or eteriorate concrete from surface.
2 - Prepare Test Specimen
Using the inclu e 50 mm
iamon -impregnate core bit
(barrel), rill a circular cut
perpen icular to the surface.
Per ASTM C1583 10.1, rill to
a epth of at least 10 mm (0.5
inches). For tests of repair or
overlay materials, rill to at
least 10 mm (0.5 inches) below
the concrete-overlay interface.
Measure the iameter of the test specimen in two
irections at right angles to each other an recor
the average iameter, in accor ance with ASTM
C1583.
Remove any stan ing water an ebris from the
surface an allow to ry.

3 - Glue and Dolly Application
Attach the steel olly to the test specimen using
epoxy a hesive. Allow the a hesive to cure per the
manufacturer’s instructions taking care to ensure the
a hesive oes not enter the cut.
ASTM C1583 specifies an ASTM C881 Type IV,
G ade 3 epoxy. While the included ResinLab epoxy is
suitable fo many applications, it does not meet this
specific equi ement.
4 - Pull-Off Test
a) Ensure the PosiTest AT 50 mm
C1583 stan -off is attache
to the actuator.
b) Con uct pull-off test in
accor ance with PosiTest AT
instruction manual.
5 - Analysis of Test Result
Examine an report test results
accor ing to ASTM C1583.
NOTE:

© DeFelsko Corporation USA 2017 All Rights Reserve
www.defels o.com
This manual is copyrighte with all rights reserve an may not be
repro uce or transmitte , in whole or part, by any means, without
written permission from DeFelsko Corporation.
DeFelsko, PosiTector an PosiSoft are tra emarks of DeFelsko
Corporation registere in the U.S. an in other countries. Other
bran or pro uct names are tra emarks or registere tra emarks
of their respective hol ers.
Every effort has been ma e to ensure that the information in this
manual is accurate. DeFelsko is not responsible for printing or
clerical errors.
Limited Warranty, Sole Remedy
Limited Warranty, Sole Remedy
and Limited Liability
and Limited Liability
DeFelsko's sole warranty, reme y, an liability are
the express limite warranty, reme y, an limite
liability that are set forth on its website:
www. efelsko.com/terms