性能等级 

这种沥青是由将两三百度的热空气吹到纯沥青上而得。就其强度而言,纯沥青的强度较低,但更柔和,对温度变化的敏感度较低。SHRP 发明了独特的沥青分类法。

这种分类法基于对沥青及其特性的了解,具有抗变形、抗冷裂、抗裂耗竭、预测沥青在工厂中的硬度以及何时达到饱和度、沥青的硬度如何随时间变化、以及第一级和第二级的温度变化。

 

沥青性能分析 58-22

Test TitleResultStandard rangeTEST Method
Viscosity0.360Min: --- - Max: 3pa.sASTM D4402
Flash Point320Min: 230 c - Max: ---ASTM D92
Original Dynamic Shear1.90Min: 1.90 - Max: 1.00 paASTM D7175

Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)

RTFO،Dynamic Shear2.47Min: 2.20 K Pa - Max: ---ASTM D7175
RTFO،Percent change of mass0.038Min: --- - Max: 1.00%ASTM D2872

Pressure Aging Vessel (PAV) (ASTM D 6521)

PAV،Dynamic Shear3016Min: --- - Max: 5000 k PaASTM D7175
BBR،Creep Stiffness99.00Min: --- - Max: 300 M PaASTM D6648
BBR،m-value0.318Min: 0.3 - Max: ---ASTM D6648


沥青性能分析 64-16

Test TitleResultStandard rangeTEST Method
Viscosity0.390Min: --- - Max: 3pa.sASTM D4402
Flash Point322Min: 230 c - Max: ---ASTM D92
Original Dynamic Shear1.47Min: 1.00 pa - Max: ---ASTM D7175

Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)

RTFO،Dynamic Shear2.38Min: 2.20 K Pa - Max: ---ASTM D7175
RTFO،Percent change of mass0.090Min: --- - Max: 1.00%ASTM D2872

Pressure Aging Vessel (PAV) (ASTM D 6521)

PAV،Dynamic Shear3941Min: --- - Max: 5000 k PaASTM D7175
BBR،Creep Stiffness12.00Min: --- - Max: 300 M PaASTM D6648
BBR،m-value0.317Min: 0.3 - Max: ---ASTM D6648


沥青性能分析 64-22

Test TitleResultStandard rangeTEST Method
Viscosity0.390Min: --- - Max: 3pa.sASTM D4402
Flash Point322Min: 230 c - Max: ---ASTM D92
Original Dynamic Shear1.47Min: 1.00 pa - Max: ---ASTM D7175

Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)

RTFO،Dynamic Shear2.38Min: 2.20 K Pa - Max: ---ASTM D7175
RTFO،Percent change of mass0.090Min: --- - Max: 1.00%ASTM D2872

Pressure Aging Vessel (PAV) (ASTM D 6521)

PAV،Dynamic Shear3941Min: --- - Max: 5000 k PaASTM D7175
BBR،Creep Stiffness12.00Min: --- - Max: 300 M PaASTM D6648
BBR،m-value0.317Min: 0.3 - Max: ---ASTM D6648


沥青性能分析 70-10

Test TitleResultStandard rangeTEST Method
Viscosity0.550Min: --- - Max: 3pa.sASTM D4402
Flash Point321Min: 230 c - Max: ---ASTM D92
Original Dynamic Shear1.48Min: 1.00 pa - Max: ---ASTM D7175

Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)

RTFO،Dynamic Shear2.39Min: 2.20 K Pa - Max: ---ASTM D7175
RTFO،Percent change of mass0.058Min: --- - Max: 1.00%ASTM D2872

Pressure Aging Vessel (PAV) (ASTM D 6521)

PAV،Dynamic Shear3847Min: --- - Max: 5000 k PaASTM D7175
BBR،Creep Stiffness110.00Min: --- - Max: 300 M PaASTM D6648
BBR،m-value0.324Min: 0.3 - Max: ---ASTM D6648


沥青性能分析 76-10

Test TitleResultStandard rangeTEST Method
Viscosity0.880Min: --- - Max: 3pa.sASTM D4402
Flash Point338Min: 230 c - Max: ---ASTM D92
Original Dynamic Shear1.50Min: 1.00 pa - Max: ---ASTM D7175

Rolling Thin-Film Oven Test (RTFOT) (ASTM D2872)

RTFO،Dynamic Shear2.46Min: 2.20 K Pa - Max: ---ASTM D7175
RTFO،Percent change of mass0.038Min: --- - Max: 1.00%ASTM D2872

Pressure Aging Vessel (PAV) (ASTM D 6521)

PAV،Dynamic Shear4135Min: --- - Max: 5000 k PaASTM D7175
BBR،Creep Stiffness81.00Min: --- - Max: 300 M PaASTM D6648
BBR،m-value0.319Min: 0.3 - Max: ---ASTM D6648