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Home / DOT Specifications / Kansas / KDOT Standard Specifications for Road & Bridge Construction / 1206
Division 1200 — Asphalt Materials

1206Polymer Modified Asphalt Cement for Chip Seals

KS · 2015 Standard Specifications✓ Full text on BuildSpecBook pages 715–715 Save this section

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1206 - POLYMER MODIFIED ASPHALT CEMENT FOR CHIP SEALS 1200 - 12

1206.1 Description

This specification covers polymer modified (tire rubber and/or SBS) asphalt cement for use in chip seals.

1206.2 Requirements

Provide material that complies with the requirements shown in TABLE 1206-1. TABLE 1206-1: ASPHALT CEMENT FOR CHIP SEALS AC-20-5TR AC-10-2TR Min. Max. Min. Max. Polymer TR & SBS (1) TR & SBS(2) Polymer Content, % 5 ----- 3 ----- Dynamic shear, G*/sin , 64C, 10 rad/s, kPa 1.0 ----- ----- ----- Dynamic shear, G*/sin , 58C, 10 rad/s, kPa ----- ----- 1.0 ----- Viscosity, 140°F, Poise 2,000 ----- 1,000 ----- Penetration, 77F, 100g, 5sec 75 115 95 130 Elastic Recovery, ASTM D6084 50F, % Recovery, 1 hour 55 ----- 30 ----- Softening Point, F 120 ----- 110 ----- Test of Residues from RTFO Aging and PAV Bending Beam Rheometer at - 18C, MPa Creep Stiffness ----- 300 ----- 300 m-value 0.300 ----- 0.300 -----

1.Produce the AC-20-5TR with a minimum of 5% scrap, group, whole tire rubber.
2.Produce the AC-10-2TR will a minimum of 3% polymers to include a combination of tire rubber and SBS.

1206.3 Test Methods

Test according to the applicab le provisions of ASTM D 36 and D 6084 Procedure B, and AASHTO T 49, T 202, T 313, and T 315.

1206.4 Prequalification

Prequalify material according to SECTION 1201.

1206.5 Basis of Acceptance

See applicable requirements under SECTION 1201.

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Source: Standard Specifications for State Road and Bridge Construction, 2015 Edition. Pages 715–715 of 978. View official source ↗
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