Standard Conversion Curves - Proceq DIGI-SCHMIDT 2000 ND Mode D'emploi

8 .2

Standard Conversion Curves

Standard Conversion Curve for Concrete Test
Hammer Model ND
Mean value R has already been corrected in relation to
the impact direction
Fig. 8.1 Model ND: Conversion curve based on the average
compressive strength of a cylinder and the rebound
value R
fck
m: average compressive strength of a cylinder
cyl.
(probable value)
22 Appendix
Standard Conversion Curve for Concrete Test
Hammer Model LD
Mean value R has already been corrected in relation to
the impact direction
Rebound value R
Fig. 8.2 Model LD: Conversion curve based on the average
compressive strength of a cylinder and the rebound
value R
Limits of Distribution
fck : The max. and min. values are set so that 80 %
cyl.
of all test results are included.
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