Examples of GTR in a sentence
When tested in accordance with Illinois Modified AASHTO T 27 “Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates” or AASHTO PP 74 “Standard Practice for Determination of Size and Shape of Glass Beads Used in Traffic Markings by Means of Computerized Optical Method”, a 50 g sample of the GTR shall conform to the following gradation requirements.
GTR modified asphalt binder shall be tested for original dynamic shear and RTFO dynamic shear according to AASHTO T 315 using a gap of 2 mm.
A mineral powder (such as talc) meeting the requirements of AASHTO M 17 may be added, up to a maximum of four percent by weight of GTR to reduce sticking and caking of the GTR particles.
The GTR modified asphalt binder shall meet the requirements of Table 3.
GTR modification is the addition of recycled ground tire rubber to liquid asphalt binder to achieve the specified performance grade.
GTR shall be produced from processing automobile and/or truck tires by the ambient grinding method or micronizing through a cryogenic process.
Sieve SizePercent PassingNo. 16 (1.18 mm)100No. 30 (600 µm)95 ± 5No. 50 (300 µm)> 20 GTR modified asphalt binder shall be tested for rotational viscosity according to AASHTO T 316 using spindle S27.
Table 3 - Requirements for Ground Tire Rubber (GTR) Modified Asphalt Binders TestAsphalt Grade GTR PG 64-28GTR PG 70-22Asphalt Grade GTR PG 76-22GTR PG 76-28GTR PG 70-28TESTS ON RESIDUE FROM ROLLING THIN FILM OVEN TEST (AASHTO T 240)Elastic RecoveryASTM D 6084, Procedure A, 77 °F (25 °C), 100 mm elongation, % 60 min.
Table 3 - Requirements for Ground Tire Rubber (GTR) Modified Asphalt Binders TestAsphalt Grade GTR PG 64-28GTR PG 70-22Asphalt Grade GTR PG 76-22GTR PG 76-28GTR PG 70-28TESTS ON RESIDUE FROM ROLLING THIN FILM OVEN TEST (AASHTO T 240)Elastic RecoveryASTM D 6084, Procedure A,77 °F (25 °C), 100 mm elongation, % 60 min.
Proposal for a draft UN GTR on in-vehicle battery durability for electrifiedheavy-duty vehicles (agenda item 17.8) ..................................................................................