THE DIFFUSION CONTROLLED REACTION OF OXYGEN WITH PAVING BINDERS: THE EFFECT OF THE DIURNAL TEMPERATURE VARIATION IN A SEAL BINDER
The rate of absorption of oxygen by a seal binder subjected to the daily pavement surface temperature variation encountered in a series of hot days at Melbourne and Darwin has been calculated. For the constructions considered, the rate at both sites was equivalent to a constant temperature exposure at about 43 degrees centigrade. A seal binder at Darwin would be above 42 degrees centigrade for about 12 per cent of the year. The results obtained from the simple single reaction model used to study the effect of diffusion have been compared with those using one model involving two simultaneous but independent reactions and another involving two consecutive reactions. These more complex models give absorption patterns closer to those observed. There appears to be no advantage in using these more complex models for the evaluation of the effect of diffusion. (Author/TRRL)
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/00050164
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Corporate Authors:
ARRB
Melbourne, Victoria Australia -
Authors:
- Dickinson, E J
- Publication Date: 1984-12
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 222-225
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Serial:
- Australian Road Research
- Volume: 14
- Issue Number: 4
- Publisher: ARRB
- ISSN: 0005-0164
Subject/Index Terms
- TRT Terms: Absorption; Binders; Chemical reactions; Daily; Diffusion (Optics); Mathematical models; Oxygen; Pavements; Sealing compounds; Temperature
- Uncontrolled Terms: Models
- ITRD Terms: 6758: Absorption; 4948: Binder; 6769: Diffusion; 6473: Mathematical model; 7108: Oxygen; 2955: Pavement; 7156: Reaction (chem); 6722: Temperature
- Subject Areas: Highways; Materials; Pavements; I31: Bituminous Binders and Materials;
Filing Info
- Accession Number: 00450800
- Record Type: Publication
- Source Agency: ARRB
- Files: ITRD, TRIS, ATRI
- Created Date: Aug 27 2004 9:56PM