A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The primary objective of this study was two-fold: to verify for Louisiana asphalts the close agreement as found by others between the standard Thin Film Oven Test (AASHTO T179-74) and the newly adopted Rolling Thin Film Oven Test (AASHTO T240-73); and second, to seek a correlation between the standard ductility test (AASHTO T51-74) and a Micro-Ductility Test (Ref. 1 and Appendix). The oven comparison was made by testing numerous asphalts for such residual properties as viscosity, penetration, and ductility following exposure in both ovens. A correlation between the standard ductility test and the micro-ductility test is presented, which suggests that a reasonable relationship does exist. However, due to the nature of the resulting correlation, no unique micro-ductility value corresponding to a 100+ ductility value (current Louisiana acceptance specification) can be chosen. Therefore, this test should not be substituted for the well accepted and nationally used standard ductility test.
The primary objective of this study was two-fold: to verify for Louisiana asphalts the close agreement as found by others between the standard Thin Film Oven Test (AASHTO T179-74) and the newly adopted Rolling Thin Film Oven Test (AASHTO T240-73); and second, to seek a correlation between the standard ductility test (AASHTO T51-74) and a Micro-Ductility Test (Ref. 1 and Appendix). The oven comparison was made by testing numerous asphalts for such residual properties as viscosity, penetration, and ductility following exposure in both ovens. A correlation between the standard ductility test and the micro-ductility test is presented, which suggests that a reasonable relationship does exist. However, due to the nature of the resulting correlation, no unique micro-ductility value corresponding to a 100+ ductility value (current Louisiana acceptance specification) can be chosen. Therefore, this test should not be substituted for the well accepted and nationally used standard ductility test.
Rapid Test Methods of Bituminous Materials
D. E. Carey (author)
1975
39 pages
Report
No indication
English
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