Instruction Manual MIT-SCAN-T3
Version 02/2021
Page 7
1
Method and requirements
MIT-SCAN-T3 provides the user with accurate and non-destructive
measurement of asphalt and concrete pavement layer thickness in
accordance with ASTM E3209
1
, AASHTO T-T359
2
and German
standard TP D-StB 12
3
.
The device uses pulse induction, a further development of eddy current
technology. It requires that aluminum or galvanized steel reflectors
are installed under each layer to be measured.
The measurement technique is based on the principles of magnetic
induction tomography and analyzes the temporal and spatial course of
eddy current fields generated in standardized reflectors.
MIT-SCAN-T3 can be used on all layers of surfacing materials
common in building and road construction such as bituminous
composites, concrete or blast furnace slag. Areas of use include new
road/ road structure construction, sub-base construction as well as
pavement inspection and rehabilitation of existing roads
1
Issued by ASTM International.
2
Issued by American Association of State and Highway Transportation Officials.
3
TP D-StB 12, “Technical specifications for determining pavement layer thicknesses in
road construction”, issued by FGSV Verlag GmbH.
Fig. 1 MIT-SCAN-T3
Attention!
Only install reflectors
specified by MIT
