By Irving Kett
The aim of this guide is to familiarize and scholars with the know-how of asphalt in its a number of types specifically asphalt cement, cutback asphalt, and asphalt emulsions. The laboratory paintings is designed to advance an knowing of asphalt homes, features, checking out systems, and requirements.
The approaches defined are all derived from ASTM designations and perform as instructed by means of the Asphalt Institute. the place the actual ASTM approach allows exchange approaches, the single extra acceptable to the to be had apparatus and the instructing state of affairs was once chosen.
The guide involves the following:
ГІ 35 of the often used ASTM checks in Asphalt Binder and combine Design.
ГІ pattern computations and simple to exploit information sheets, such a lot of that have been built in particular for the manual.
ГІ An updated evaluate of Asphalt expertise together with resources, old improvement, and classifications of asphalt products.
ГІ effortless to appreciate reasons for Voids Mineral mixture, Absorbed Asphalt, powerful Asphalt content material, percentage Air Voids, and percentage of Voids packed with Asphalt.
ГІ A stand-alone asphalt handbook, written particularly for college laboratory guide, but acceptable for a advertisement trying out laboratory. infrequently will different reference fabrics must be referred to.
ГІ Dimensions in either the SI and the U.S. ordinary platforms of measurement.
ГІ An appendix with conversion components, principles of protection and approaches, review of SHRP SUPERPAVE, rationalization of asphalt emulsions, and extra facts sheets on single-sided pages.
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Extra info for Asphalt Materials and Mix Design Manual
But it is preferred that the sieve be identified by the standar fTnH Fmotros or nilcroniotros. 1000 jim—1 mm. ) Standard Series. Copyright ASTM. Reprinted w i t h Permission. Previous Page COARSE and FINE AGGREGATES SPECIFIC GRAVITY DATA SHEET ASTM Designations; C 127 and C 128 Coarse Aggregates - ASTM Designation: C 127 Passing Sieve & Retained on Sieve Sample 1 Sample 2 Sample Sample 3 4 A) Wt. Oven Dry Sample, gm. B) Wt. SSD Sample, gm. C)Wt. Saturated Sample in Water, gm. Bulk Specific Gravity Apparent Specific Gravity Effective Specific Gravity Absorption, % Average Values: Bulk Sp Gr.
2 2 3 ± . 1 8 0 m m 5 . 6 mm 6 . 0 4 m m No. 14 mm No. 4 0 . 1 5 7 ± . 1 3 0 m m 4 . 2 3 m m 1 . 35 mm No. 66 mm N o . 070 mm No. 600 mm No. 8 0 . 0 7 8 7 ± . 0 7 0 m m 2 . 00 mm 2 . 2 1 5 m m No. 890 mm No. 12 0 . 0 5 5 5 ± . 0 5 0 m m 1 . 5 0 5 m m 0 . 4 mm I . 5 6 5 m m No. 330 mm No. 16 0 . 0 3 9 4 ± . 0 4 0 m m 1 . 0 8 0 m m 0 . 00 mm 1 . 1 3 5 m m No. 500 850 urn' 970 jim No. 20 0 . 0 2 7 8 ± 3 0 j i m 7 7 5 j i m 0 . 4 50 710 urn 8 1 5 j i m No. 400 600 jim 695 jim N o . 315 500 jim 585 jun No.
Clock time sample poured into ring 4. Clock time ring transferred to 50C water bath 5. Interval test specimen cooled in air minutes 6. Clock time test specimen removed from 5OC water bath for trimming hr. 0 7. Interval test specimen in 5 C water bath 8. Record below the temperature indicated by the thermometer at the beginning of heating and at the end of each 1-min. interval. Timer Reading Minutes Temperature, 0C Temperature, 0C Timer Reading Minutes 0 8 1 9 2 10 3 11 4 12 5 13 6 14 7 15 9. Temperature indicated by thermometer when material touches bottom 10.
Asphalt Materials and Mix Design Manual by Irving Kett