Summary of Rubber Modified Asphalt Product Specifications around ...

Table 7. Construction Requirement for Open-Graded Rubber Modified Asphalt
Agency Compaction
and Air
Void
California Method spec,
three rollers.
Ambient/Pavement
Temperature
Above 13-18 o C (55-
65 o F)
Arizona Pavement temp ≥
30 o C (85 o F)
Texas Pavement temp ≥
21 o C (70 o F)
New
Jersey
MTO,
Ontario,
Canada
Pavement temp ≥
10 o C (50 o F)
Air temperature >=
12 C (54F). If
ambient temperature
is below 18C (65F),
the hauling truck shall
use a tarpaulin.
Mix
Production
Temperatures
Mixing
temperatures:
149-163 o C
(300-325 o C)
Discharge
temperature from
mixer ≤ 180 o C
(350 o F)
Discharge
temperature from
mixer ≤ 180 o C
(350 o F)
Compaction
Temperatures
Spread
Temperature
143-163 o C
(290-325 o F);
Breakdown
starts ≥138 o C
(280 o F) and
ends ≥ 127 o C
(260 o F)
Breakdown
starts ≥ 135C
(275 o F)
Spread
temperature
≥138 o C (280 o F)
Laydown
temperature
135-165 o C
(275-330 o F)
Other
Pneumatic
tired rollers
not allowed;
Sand shall be
applied.
Roller steel
wheels shall
be wetted
with water,
or soapy
water, or an
approved
product.
Static roller;
keep the
wheels
moistened
with water
mixed with
detergent.
Using lime
water to
prevent
material
pickup by
traffic.
Only steelwheeled
rollers
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