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From page 61... ... 61 A T T A C H M E N T 1 This attachment describes three proposed performance-related specifications for determining the asphalt emulsion and binder residue properties that are related to surface treatment performance. • Proposed Standard Specifications for Performance-Graded Emulsions Used in Chip Seal Surface Treatments • Proposed Standard Specifications for Performance-Graded Emulsions Used in Microsurfacing Treatments • Proposed Standard Specifications for Performance-Graded Emulsions Used in Spray Seal Treatments These proposed specifications are the suggestions of the NCHRP Project 9-50 research team. Read the entire page →
From page 62... ... 62 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments Proposed Standard Specifications for Performance-Graded Emulsions Used in Chip Seal Surface Treatments AASHTO Designation: M-XX 1. SCOPE 1.1 These specifications cover the performance grading of asphalt emulsions used in constructing chip seal surface treatments. Read the entire page →
From page 63... ... Proposed Specifications 63 2.2 ASTM Standards: D5, Test Method for Penetration of Bituminous Materials D8, Standard Terminology Relating to Materials for Roads and Pavements D977, Standard Specification for Emulsified Asphalt D5546, Test Method for Solubility of Asphalt Binders in Toluene by Centrifuge D6930, Test Method for Settlement and Storage Stability of Emulsified Asphalts D7497, Standard Practice for Recovering Residue from Emulsified Asphalt Using Low Temperature Evaporative Techniques 3. TERMINOLOGY 3.1 Definitions of terms common to asphalt emulsions are found in ASTM D8. Read the entire page →
From page 64... ... 64 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments 8. TEST METHODS 8.1 The properties outlined in Section 6.2 shall be determined in accordance with TP 48, T 350, ASTM D 6930, and the proposed "Standard Test Method for Determining Dynamic Shear Modulus of Emulsion Residues at Critical Phase Angle Values Using the Dynamic Shear Rheometer" specifications provided in NCHRP Research Report 837. Read the entire page →
From page 65... ... Proposed Specifications 65 Table 1. Performance-Graded Chip Seal Emulsion Specifications Chip Seal Emulsion Performance Grade EPG 49 EPG 55 EPG 61 -7 -13 -19 -25 -7 -13 -19 -25 -7 -13 -19 -25 Average 7-day Maximum Pavement Surface Design Temperature, °Ca <49 <55 <61 Minimum Pavement Surface Design Temperature, °Ca >-7 >-13 >-19 >-25 >-7 >-13 >-19 >-25 >-7 >-13 >-19 >-25 Proposed Test Methodsb Proposed Testing Temperature (°C) Read the entire page →
From page 66... ... 66 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments d Low traffic is defined as any roadway with an AADT between 0 and 500 vehicles. e Medium traffic is defined as any roadway with an AADT between 501 and 2,500 vehicles. Read the entire page →
From page 67... ... Proposed Specifications 67 Table 1 (continued) Chip Seal Emulsion Performance Grade EPG 49 EPG 55 EPG 61 -31 -37 -43 -49 -31 -37 -43 -49 -31 -37 -43 -49 Average 7-day Maximum Pavement Surface Design Temperature, °Ca <49 <55 <61 Minimum Pavement Surface Design Temperature, °Ca >-31 >-37 >-43 >-49 >-31 >-37 >-43 >-49 >-31 >-37 >-43 >-49 Proposed Test Methodsb Proposed Testing Temperature (°C) Read the entire page →
From page 68... ... 68 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments c For high float emulsions only. d Low traffic is defined as any roadway with an AADT between 0 and 500 vehicles. Read the entire page →
From page 69... ... Proposed Specifications 69 Table 1 (continued) Chip Seal Emulsion Performance Grade EPG 67 EPG 73 EPG 79 -7 -13 -19 -25 -7 -13 -19 -25 -7 -13 -19 -25 Average 7-day Maximum Pavement Surface Design Temperature, °Ca <67 <73 <79 Minimum Pavement Surface Design Temperature, °Ca >-7 >-13 >-19 >-25 >-7 >-13 >-19 >-25 >-7 >-13 >-19 >-25 Proposed Test Methodsb Proposed Testing Temperature (°C) Read the entire page →
From page 70... ... 70 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments c For high float emulsions only. d Low traffic is defined as any roadway with an AADT between 0 and 500 vehicles. Read the entire page →
From page 71... ... Proposed Specifications 71 Table 1 (continued) Chip Seal Emulsion Performance Grade EPG 67 EPG 73 EPG 79 -31 -37 -43 -49 -31 -37 -43 -49 -31 -37 -43 -49 Average 7-day Maximum Pavement Surface Design Temperature, °Ca <67 <73 <79 Minimum Pavement Surface Design Temperature, °Ca >-31 >-37 >-43 >-49 >-31 >-37 >-43 >-49 >-31 >-37 >-43 >-49 Proposed Test Methodsb Proposed Testing Temperature (°C) Read the entire page →
From page 72... ... 72 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments c For high float emulsions only. d Low traffic is defined as any roadway with an AADT between 0 and 500 vehicles. Read the entire page →
From page 73... ... Proposed Specifications 73 Proposed Standard Specifications for Performance-Graded Emulsions Used in Microsurfacing Treatments AASHTO Designation: M-XX 1. SCOPE 1.1 These specifications cover the performance grading of asphalt emulsions used in constructing microsurfacing and slurry surface treatments. Read the entire page →
From page 74... ... 74 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments D5, Test Method for Penetration of Bituminous Materials D8, Standard Terminology Relating to Materials for Roads and Pavements D242, Specification for Mineral Filler for Bituminous Paving Mixtures D977, Standard Specification for Emulsified Asphalt D3910, Standard Practices for Design, Testing, and Construction of Slurry Seal D6930, Test Method for Settlement and Storage Stability of Emulsified Asphalts D7497, Standard Practice for Recovering Residue from Emulsified Asphalt Using Low Temperature Evaporative Techniques 3. TERMINOLOGY 3.1 Definitions of terms common to asphalt emulsions are found in ASTM D8. Read the entire page →
From page 75... ... Proposed Specifications 75 7. SAMPLING 7.1 The material shall be sampled in accordance with T 40. Read the entire page →
From page 76... ... 76 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments Table 1. Performance-Graded Microsurfacing Emulsion Specifications Microsurfacing Emulsion Performance Grade EPG 49 EPG 55 EPG 61 -7 -13 -19 -25 -7 -13 -19 -25 -7 -13 -19 -25 Average 7-day Maximum Pavement Surface Design Temperature, °Ca <49 <55 <61 Minimum Pavement Surface Design Temperature, °Ca >-7 >-13 >-19 >-25 >-7 >-13 >-19 >-25 >-7 >-13 >-19 >-25 Proposed Test Methods b Proposed Testing Temperature (°C) Read the entire page →
From page 77... ... Proposed Specifications 77 Microsurfacing Emulsion Performance Grade EPG 49 EPG 55 EPG 61 -31 -37 -43 -49 -31 -37 -43 -49 -31 -37 -43 -49 Average 7-day Maximum Pavement Surface Design Temperature, °Ca <49 <55 <61 Minimum Pavement Surface Design Temperature, °Ca >-31 >-37 >-43 >-49 >-31 >-37 >-43 >-49 >-31 >-37 >-43 >-49 Proposed Test Methods b Proposed Testing Temperature (°C) Tests on Original Emulsion Storage Stability Modified AASHTO T 59 Measured responses: Rotational viscosity, η, A – 24-hour separation ratio (Rs) Read the entire page →
From page 78... ... 78 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments Table 1 (continued) Microsurfacing Emulsion Performance Grade EPG 67 EPG 73 EPG 79 -7 -13 -19 -25 -7 -13 -19 -25 -7 -13 -19 -25 Average 7-day Maximum Pavement Surface Design Temperature, °Ca <67 <73 <79 Minimum Pavement Surface Design Temperature, °Ca >-7 >-13 >-19 >-25 >-7 >-13 >-19 >-25 >-7 >-13 >-19 >-25 Proposed Test Methods b Proposed Testing Temperature (°C) Read the entire page →
From page 79... ... Proposed Specifications 79 Table 1 (continued) Microsurfacing Emulsion Performance Grade EPG 67 EPG 73 EPG 79 -31 -37 -43 -49 -31 -37 -43 -49 -31 -37 -43 -49 Average 7-day Maximum Pavement Surface Design Temperature, °Ca <67 <73 <79 Minimum Pavement Surface Design Temperature, °Ca >-31 >-37 >-43 >-49 >-31 >-37 >-43 >-49 >-31 >-37 >-43 >-49 Proposed Test Methods b Proposed Testing Temperature (°C) Read the entire page →
From page 80... ... 80 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments Proposed Standard Specifications for Performance-Graded Emulsions Used in Spray Seal Surface Treatments AASHTO Designation: M-XX 1. SCOPE 1.1 These specifications cover the performance grading of asphalt emulsions used in constructing spray seal surface treatments. Read the entire page →
From page 81... ... Proposed Specifications 81 D8, Standard Terminology Relating to Materials for Roads and Pavements D977, Standard Specification for Emulsified Asphalt D3121, Test Method for Tack of Pressure-Sensitive Adhesives by Rolling Ball D5546, Test Method for Solubility of Asphalt Binders in Toluene by Centrifuge 3. TERMINOLOGY 3.1 Definitions of terms common to asphalt emulsions are found in ASTM D8. Read the entire page →
From page 82... ... 82 Performance-Related Specifications for Emulsified Asphaltic Binders Used in Preservation Surface Treatments 8. TEST METHODS 8.1 The properties outlined in Section 6.2 shall be determined in accordance with TP 48, ASTM D 6930, and ASTM D 3121. Read the entire page →
From page 83... ... Proposed Specifications 83 Table 1. Spray Seal Emulsion Specifications Proposed Test Methods Proposed Testing Temperature (°C) Read the entire page →

From page 61...

... 61 A T T A C H M E N T 1 This attachment describes three proposed performance-related specifications for determining the asphalt emulsion and binder residue properties that are related to surface treatment performance. • Proposed Standard Specifications for Performance-Graded Emulsions Used in Chip Seal Surface Treatments • Proposed Standard Specifications for Performance-Graded Emulsions Used in Microsurfacing Treatments • Proposed Standard Specifications for Performance-Graded Emulsions Used in Spray Seal Treatments These proposed specifications are the suggestions of the NCHRP Project 9-50 research team.