KSIĄŻKI POWIĄZANE ZE SŁOWEM «THE BITUMEN»
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1
The Shell
Bitumen Handbook
The phenomenon of stripping of the bitumen in the presence of water can
therefore be related to the surface charges. Where water equilibrates the surface
charge better than bitumen, the bitumen may separate from the aggregate
surface in ...
John Read, David Whiteoak, 2003
2
The Shell
Bitumen Industrial Handbook
The viscosity of the continuous phase, ie the maltenes, imparts an inherent
viscosity to the bitumen which is increased by the presence of the dispersed
phase, ie the asphaltenes. The saturates fraction decreases the ability of the
maltenes to ...
3
Road Engineering for Development, Second Edition
In principle, it stipulates a temperature window within which the bitumen meets
certain criteria. For instance, a PG 64-16 bitumen meets these criteria at
temperatures between + 64 °C and - 16°C, while a PG 82-28 will meet them
between +82 ...
Richard Robinson, Bent Thagesen, 2004
5.2.1.1 Elastomeric Modification of Bitumen Elastomeric polymers such as SBS
modify bitumen rheology by enhancing the elastic component in the bitumen and
effectively reducing the viscous component (see Section 3.4.2 and Figure 16).
5
Emulsions and Emulsion Stability: Surfactant Science Series/61
1 1 .5.9 BINDER CONTENT A basic property of a bitumen emulsion is the
bitumen content. The bitumen content may be calculated based on the result from
any of the methods for recovery of bitumen above. If, however, the emulsion
contains ...
6
Bituminous Mixtures in Road Construction
between the softening point temperature and design ambient temperature, and
the PI of the bitumen. A rule of thumb for time of loading in seconds is the
reciprocal of the vehicle design speed when the design speed is measured in
kilometres ...
7
Bitumens, asphalts, and tar sands
performed on the bitumen by commercial enterprises, Ball considered the
bitumen to be remarkably sensitive to heat and, therefore, to refining processes.
Viscosity reduction by thermal methods was the subject of a study by Peterson [
47] who ...
8
Mineral Deposits at
the Beginning of
the 21st Century
Bitumen in the Hilderston deposit has been found closely associated with silver,
acanthite (silver sulphide), cinnabar, annabergite (nickel arsenate) and nickeline
(nickel arsenide) (Meikle 1994). Inclusions within the bitumen include (Fig 6): 1 ...
The "hot water process", as it is called, is based on releasing the bitumen by
treating the sand with hot water. The sand and the associated clay form a slurry
with water and emerge as tailings. There are four steps in the extraction process:
feed ...
10
The Ancient Indus Valley: New Perspectives
The bitumen was in several forms. Rectangular or plano-convex blocks of solid
bitumen were shown by analysis probably to have derived from Mesopotamia
where there were major deposits, particularly at Hit on the middle Euphrates.
