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ASTM D5404/D5404M-12
Standard Practice for Recovery of Asphalt from Solution Using the Rotary Evaporator
Automaticky preložený názov:
Štandardné praktiky pre vymáhanie Asfalt z roztoku za použitia rotačnej odparky
NORMA vydaná dňa 1.6.2012
Informácie o norme:
Označenie normy: ASTM D5404/D5404M-12
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.6.2012
Kód tovaru: NS-31049
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D5404/D5404M-12 :
Keywords:
bituminous paving mixtures, recovery, rotary evaporator, ICS Number Code 91.100.50 (Binders. Sealing materials), 93.080.20 (Road construction materials)
Doplňujúce informácie
| Significance and Use | ||||||||||
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4.1 In order to determine the characteristics of the asphalt in an asphalt paving mixture, it is necessary to extract the asphalt from the aggregate by means of a suitable solvent and then to recover the asphalt from the solvent without significantly changing the asphalt's properties. The asphalt recovered from the solvent by this practice can be tested using the same methods as for the original asphalt cement, and comparisons between the properties of the original and recovered asphalt can be made. 1.1 This practice is intended to
recover asphalt from a solvent using the rotary evaporator to
ensure that changes in the asphalt properties during the recovery
process are minimized.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.2.1 Residual pressure measurements are shown in both the SI unit of kPa and the commonly used non-standard equivalent unit of “mm of Hg”. 1.2.2 Measurements of volume and mass are only given in SI units because they are the only units typically used in practice when performing this standard practice. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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| 2. Referenced Documents | ||||||||||
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