Reflective Crack Control System Art. 1062.03 SECTION 1062. REFLECTIVE CRACK CONTROL SYSTEM
1062.01 Reflective Crack Control System A. The reinforcing fabric shall be a
nonwoven polypropylene or other approved plastic fabric having the following properties. Property Value Grab Tensile Strength (ASTM D 4632) lb (N), min. 90.0 (400) Grab Elongation at Break (ASTM D 4632) %, min. - max. 40-100 Asphalt Retention gal/sq yd (L/sq m), min. 0.20 (0.9)
1062.02 Reflective Crack Control System B. Waterproofing membrane
interlayer shall incorporate a high strength fabric embedded in a layer of self- adhesive suitably plasticized asphalt binder with the following properties. Property Value Test Method Thickness Permeance-Perms 0.065 in. (1.65 mm), min. 0.10 (1.0) max. ASTM E 96 Procedure B Tensile Strength 50 lb/in. (8.7 N/mm), min. ASTM D 882 (modified for 1 in. (25 mm) opening) Puncture Resistance (fabric) 200 lb (90 kg), min. ASTM E 154 Pliability -1/2 in. (-12.7 mm)-mandrel No cracks in fabric or plasticized bitumen ASTM D 146
1062.03 Reflective Crack Control System C.
a.Asphalt. The grade of asphalt binder for the asphalt-rubber mixture shall be according to Article 1032.05 and shall be either PG 52-28, PG 58-28, or PG 58-22.
b.Vulcanized Rubber. The granulated crumb rubber shall be 100 percent vulcanized and meet the following gradation requirements. Sieve Size Percent Passing No. 8 (2.36 mm) 100 No. 10 (2.00 mm) 98-100 No. 30 (600 µm) 0- 10 No. 40 (425 µm) 0- 4 The specific gravity of the material shall be 1.15 ± 0.02 and shall be free from fabric, wire, or other contaminated materials, except that up to 4 percent calcium carbonate may be included to prevent the rubber particles from sticking together. Vulcanized rubber will be accepted by certification from the rubber supplier. Art. 1062.03 Reflective Crack Control System
c.Diluent. The diluent shall be a solvent with an initial boiling point (IBP) of +350 when tested according to ASTM D 86.
d.Crumb Rubber Blend. The rubber shall be a blend of 40 percent powdered devulcanized rubber and 60 percent ground vulcanized rubber scrap specially selected to have a high natural rubber content. The blend shall meet the following specifications. Sieve Analysis Sieve Size ASTM D 1151 % Passing No. 10 (2.00 mm) 100 No. 30 (600 µm) 60-80 No. 50 (300 µm) 35-70 No. 100 (150 µm) 10-25 The natural rubber content shall be a minimum of 30 percent by weight (mass), according to ASTM D 297 (D 297M). The devulcanized rubber content of the blend shall be 40 percent by weight (mass) and shall be determined by a mill test as follows. When 1.4 – 1.8 oz (40 – 50 g) of rubber retained on the 30 mesh (600 µm) sieve are added to the tight 6 in. (150 mm) rubber mill, the material should bond on the mill roll in one pass, and should usually be retained on the mill roll. This will indicate the presence of a suitable quantity of devulcanized rubber. The crumb rubber blend will be accepted by certification from the rubber supplier.
e.Extender Oil. Extender oil shall be compatible with all materials used and be a high flash, high viscosity resinous aromatic rubber extender oil, except ReOB shall not be used.
f.Cover Aggregate. Aggregates for cover material shall be CA 14 or CA 15 according to Article 1004.03 for Class A use. Fiberglass Fabric Repair System Art. 1063.01 SECTION 1063. FIBERGLASS FABRIC REPAIR SYSTEM
1063.01 Requirements. The fiberglass fabric repair system shall consist of
two components, fiberglass and bituminous adhesive. The fiberglass fabric shall consist of a heavyweight high strength woven fiberglass roving according to the following physical properties. Strip tensile strength, ASTM D 579 Modified 1 in. (25 mm) cut strip test, Procedure 2 Strain rate of 0.5 in./min (15 mm/min) in a CRE testing machine, 3 in. (75 mm) gauge length, test both warp and fill directions ………………………………800 lb/in. (140 N/mm), min. Weight (Mass) ……………………………………22 oz/sq yd (745 g/sq m), min. The bituminous adhesive shall consist of an asphaltic polymer that has high adhesion and low tack and is compatible with the fiberglass fabric, and shall be according to the following physical properties. Penetration, ASTM D 5 @ 77 °F (25 °C), 100g, 5 sec ............................................................... 30-60 Softening Point, ASTM D 36 ................................. 180 to 240 °F (82 to 116 °C) Viscosity, ASTM D 3236 @ 380 °F (193 °C) Centipoise (Pa·s) ..................................................................... 800-2000 (0.8-2) Thermal Stability, ASTM D 5329 Prolonged Heating Method, 6 hrs @ 400 °F (205 °C) and the retested sample shall be according to the requirements above and the following. Low Temperature Flexibility, ASTM C 711 Mod ......................................................... -10 °F (-23 °C) max. [1 in. (25 mm) diameter mandrel] The fiberglass fabric repair system shall consist of the fabric coated on both sides with bituminous adhesive and shall be according to the following physical properties. Strip tensile strength, ASTM D 579 Modified ....................................... 1000 lb/in. (175 N/mm) min. 1 in. (25 mm) cut strip test, Procedure 2 Strain rate of 0.5 in./min (13 mm/min) in a CRE Testing machine, 3 in. (75 mm) gauge length, test both warp and fill directions.
Referenced in this section
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 964–966 of 1,217. View official source ↗