{"id":866,"date":"2026-06-02T22:07:34","date_gmt":"2026-06-02T22:07:34","guid":{"rendered":"http:\/\/localhost:8081\/soyleitechnologies\/sip-1111-emily-minnesota-nrra-field-section-6003\/"},"modified":"2026-06-03T10:56:36","modified_gmt":"2026-06-03T10:56:36","slug":"sip-1111-emily-minnesota-nrra-field-section-6003","status":"publish","type":"post","link":"https:\/\/soylei-dev.ecochran.dyndns.org\/soyleitechnologies\/sip-1111-emily-minnesota-nrra-field-section-6003\/","title":{"rendered":"Emily, Minnesota NRRA Field Sections: How SIP-1111\u2122 Performed as 6003"},"content":{"rendered":"

The National Road Research Alliance constructed recycling-agent field sections on Trunk Highway 6 near Emily, Minnesota in August 2019. The project evaluated 40% RAP wearing-course mixtures with seven recycling agents, plus 30% and 40% RAP control sections. The study followed plant-produced mixtures, recovered binders, laboratory aging, field cores, and field performance over multiple years.<\/p>\n

The third-year report identifies SIP-1111\u2122 as source code 6003 (D1)<\/strong> in Table 2-1, listed as US Soybean<\/strong>. The 6003 section provides a side-by-side view of SIP-1111\u2122 against other recycling agents and controls in a high-RAP field setting.<\/p>\n

Download the MnDOT\/NRRA final report PDF<\/a>.<\/p>\n

Code legend for the recycling-agent sections<\/h2>\n

The Emily report uses coded mixture IDs for the recycling-agent sections. Table 2-1 maps those codes to the supplier description, as-extracted performance grade, RAP content, and production day.<\/p>\n

    \n
  • 6001 (D1):<\/strong> Cargill; as-extracted PG 58.1-37.6; 40% RAP; Day 1.<\/li>\n
  • 6002 (D1):<\/strong> Poet; as-extracted PG 61.4-38.8; 40% RAP; Day 1.<\/li>\n
  • 6003 (D1):<\/strong> US Soybean, the SIP-1111\u2122 section in this review; as-extracted PG 54.9-38.4; 40% RAP; Day 1.<\/li>\n
  • 6004 (D2):<\/strong> Ingevity; as-extracted PG 62.6-33.7; 40% RAP; Day 2.<\/li>\n
  • 6005 (D2):<\/strong> Kraton; as-extracted PG 61.7-34.7; 40% RAP; Day 2.<\/li>\n
  • 6006 (D2):<\/strong> Asphalt and Wax Innovations; as-extracted PG 66.8-30.5; 40% RAP; Day 2.<\/li>\n
  • 6007 (D2):<\/strong> Georgia Pacific; as-extracted PG 70.5-33.2; 40% RAP; Day 2.<\/li>\n<\/ul>\n

    For context, Table 2-1 also lists three controls: 30% RAP (D0)<\/strong>, as-extracted PG 64.1-31.5; 40% RAP (D1)<\/strong>, as-extracted PG 65.5-31.6; and 40% RAP (D2)<\/strong>, as-extracted PG 60.8-33.7.<\/p>\n

    High-RAP field data with side-by-side recycling-agent comparisons<\/h2>\n

    High-RAP asphalt mixtures preserve valuable binder and aggregate, while aged binder in RAP can raise cracking risk when a mix lacks enough relaxation capacity. The Emily sections placed recycling agents into the same project environment and then compared how the mixtures and binders aged in the lab and field.<\/p>\n

    The Emily report gives SIP-1111\u2122 a practical demonstration record: material chemistry, binder rheology, mixture cracking indicators, and field distress observations all appear in one project.<\/p>\n

    Three-year black space: 6003 separated from the RA pack<\/h2>\n

    Figure 3-13(c) shows the clearest 6003 separation. In the three-year field-core black-space plot, 6003 reaches the highest phase angle<\/strong> and the lowest dynamic modulus, |E*|<\/strong>, among the recycling-agent sections. 6005 follows as the closest second-place RA, with lower phase angle and higher |E*| than 6003.<\/p>\n

    The report describes lower-right movement in black space as decreased stiffness and increased relaxation ability from recycling-agent inclusion. Over the three-year field-aging trend, every recycling-agent mixture except 6003 moved back toward the upper-left region associated with diminishing recycling-agent efficacy and loss of cracking resistance.<\/p>\n

    \n \"Figure
    Figure 3-13(c): in the three-year field-core black-space comparison, 6003 sits farthest in the direction associated with recycling-agent inclusion.<\/figcaption><\/figure>\n

    Binder Glover-Rowe: 6003 broke away after severe aging<\/h2>\n

    Figure 4-11 extends the comparison into recovered-binder Glover-Rowe behavior. After 7-day aging at 95 C, 6001 and 6002 moved back toward the 40% control, while only 6003 showed lower G-R values than the controls<\/strong>.<\/p>\n

    The severe-aging result separates 6003 from the Day 1 recycling-agent pack on binder G-R and reinforces the three-year black-space result.<\/p>\n

    \n \"Figure
    Figure 4-11 and Figure 4-12: 6003 remains lower than the Day 1 controls on binder G-R after severe loose-mix aging.<\/figcaption><\/figure>\n

    Mixture G-Rm: sustained cracking-resistance indicators<\/h2>\n

    Figure 3-12 compares mixture Glover-Rowe values and percent change from the 40% D1 control. As field aging reduced the effectiveness of most recycling agents, the report identifies 6003 and 6005<\/strong> as exceptions.<\/p>\n

    For SIP-1111\u2122, the mixture G-Rm result places 6003 in the small group of recycling-agent sections that maintained stronger cracking-resistance indicators as the field cores aged.<\/p>\n

    Recovered-binder chemistry supports the same direction<\/h2>\n

    For the three-year field cores, the report notes that 6003 showed lower asphaltene ratios and higher colloidal indices than the control mixtures. Those compositional indicators align with the black-space and G-R observations: 6003 continued to show a restoration and dispersion signal after field exposure.<\/p>\n

    Field performance: less transverse cracking than the 40% D1 control<\/h2>\n

    The field-performance chapter reports that every recycling-agent section outperformed the 40% D1 control in transverse cracking over the first three years of service. SIP-1111\u2122, represented by 6003, participated in that lower-cracking group.<\/p>\n

    \n \"Figure
    Figure 5-1: the report states that all recycling-agent sections had less transverse cracking than the 40% D1 control over the first three years.<\/figcaption><\/figure>\n

    What Emily shows for SIP-1111\u2122<\/h2>\n

    The Emily, Minnesota NRRA study gives SIP-1111\u2122 a strong demo-project story. In the third-year data, 6003 separates from the recycling-agent pack in black space, breaks away on Day 1 binder G-R after severe aging, remains one of the sustained-effectiveness exceptions on mixture G-Rm, and joins the field sections with less transverse cracking than the 40% D1 control.<\/p>\n

    Those results give asphalt producers, agencies, and terminal teams a field-backed view of SIP-1111\u2122 in a high-RAP asphalt system: side-by-side recycling-agent comparison, aged-material testing, recovered-binder chemistry, and measured field distress in one project record.<\/p>\n","protected":false},"excerpt":{"rendered":"

    A SIP-1111 demo-project review of the Emily, Minnesota NRRA field sections, where 6003 separated from other recycling agents in three-year black space and binder G-R review.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,11,13],"tags":[20,19,23,22,21,18],"class_list":["post-866","post","type-post","status-publish","format-standard","hentry","category-sip-1111-demo-projects","category-sip-1111","category-sip-1111-rejuv","tag-asphalt-rejuvenator","tag-demo-projects","tag-mndot","tag-nrra","tag-rap","tag-sip-1111"],"yoast_head":"\nEmily, Minnesota NRRA Field Sections: SIP-1111\u2122 as 6003<\/title>\n<meta name=\"description\" content=\"See how SIP-1111, coded as 6003, performed in the Emily, Minnesota NRRA field sections with 40% RAP mixtures and seven recycling agents.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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