Summary of Rubber Modified Asphalt Product Specifications around ...

Appendix V: Rhode Island AR Gap Graded Superpave Mix Design
MassHighway ARGG (Asphalt Rubber Gap Graded) Mix Design
I. Design Criteria
Superpave Design Gyrations (Ndesign) 100
Percent Air Voids 3-6%
Voids in Mineral Aggregate (VMA) 18-23%
II. Material Sources
Coarse Aggregate – Aggregate Industries Quarry Wrentham, MA
12.5 mm & 9.5 mm Crushed Stone
Fine Aggregate - Aggregate Industries Quarry Taunton, MA
Stone Dust
Fine Aggregate – G. Lopes Raynham, MA
Natural Sand
Fine Aggregate - Aggregate Industries Quarry Wrentham, MA
Baghouse Fines
Binder – All States Asphalt Inc. Sunderland, MA
PG58-28 with 20% Rubber
III. Gradation, Blend Composition & Aggregate Properties
Sieve Size
Job Mix Formula (JMF)
Aggregate
Industries
ARGG
JMF
MassHighway
ARGG
Specification
CalTrans
(2007)
Specification
19.0 mm 100.0 100 100
12.5 mm 97.7 100 90-100
9.5 mm 86.2 83-87 83-87
No. 4 40.6 33-37 28-42
No. 8 19.6 18-22 14-22
No. 16 16.2 8-12 -
No. 30 13.4 - -
No. 50 9.2 - -
No. 100 4.5 - -
No. 200 3.1 2-7 0-6
% PG58-28 w/20%
Rubber Asphalt
7.5% 6.5% min. -
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