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ASTM Selected Technical Papers
Viscosity Testing of Asphalt and Experience with Viscosity Graded Specifications
By
WG Gunderman
WG Gunderman
1
Engineer of Materials and Construction, Highway Research Board, National Academy of Sciences
,
Washington, D. C., 20418
;
symposium chairman
.
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ISBN-10:
0-8031-0777-3
ISBN:
978-0-8031-0777-9
No. of Pages:
128
Publisher:
ASTM International
Publication date:
1973

Studies on the viscosity of 18 asphalts at 60 C (140 F) showed that the result depends upon the apparatus and procedure used. The Florida capillary method at constant shear rate gives significantly higher values than does the Cannon-Manning method. Furthermore, it was shown that, although shear thinning may result for certain asphalts when run in Cannon-Pressure instruments, there may also be compensating effects of pressure which can raise the viscosity. These variations are attributed to both differences in the flow mode (transient or steady state) and to effects of the imposed pressures.

1.
Stanfield
,
K. E.
and
Hubbard
,
R. L.
, “
Asphalts from Rocky Mountain Crude Oils
,”
U.S. Bureau of Mines
, Technical Paper 717,
1949
.
2.
Traxler
,
R. H.
,
Schweyer
,
H. E.
, and
Romberg
,
J. W.
,
Industrial and Engineering Chemistry
 0019-7866, Vol.
36
,
1944
, p. 823.
3.
Lewis
,
R. H.
and
Welborn
,
J. Y.
,
Public Roads
 0033-3735, Vol.
21
,
1940
, p. 1.
4.
Lewis
,
R. H.
and
Halstead
,
W. J.
,
Public Roads
 0033-3735, Vol.
21
,
1940
, p. 127.
5.
Welborn
,
J. Y.
and
Halstead
,
W. J.
,
Proceedings
, Association of Asphalt Paving Technologists, Vol.
28
,
1959
, p. 242.
6.
Welborn
,
J. Y.
,
Halstead
,
W. J.
, and
Boone
,
J. G.
,
Proceedings
, Association of Asphalt Paving Technologists, Vol.
29
,
1960
, p. 216.
7.
Sisko
,
A. W.
, Highway Research Record No.
67
,
1964
.
8.
Welborn
,
J. Y.
,
Oglio
,
E. R.
,
Zenewitz
,
J. A.
,
Proceedings
, Association of Asphalt Paving Technologists, Vol.
35
,
1966
, p. 19.
9.
Halstead
,
W. J.
Welborn
,
J. Y.
, Highway Research Record No.
350
,
1971
.
10.
Fink
,
D. F.
and
Griffin
,
R. L.
in
Papers on Road and Paving Materials and Symposium on Microviscometry, ASTM STP 309
,
American Society for Testing and Materials
,
1961
, p. 79.
11.
Griffith
,
J. M.
and
Puzinauskas
,
V. P.
in
Fundamental Viscosity of Bituminous Materials, ASTM STP 328
,
American Society for Testing Materials
,
1962
, p. 20.
12.
Lefebvre
,
J. A.
Robertson
,
W. D.
,
Proceedings
,
Canadian Technical Asphalt Association
, Vol.
15
,
1970
, p. 101.
13.
Schweyer
,
H. E.
, Highway Research Record No.
404
,
1972
, pp. 86.
14.
Crouch
,
R. F.
and
Cameron
,
A.
,
Journal of the Institution of Petroleum Technologists
 0020-3068, Vol.
47
,
1961
, p. 307.
15.
Jongepier
,
R.
Kuilman
,
B.
,
Rheologica Acta
, Vol.
9
,
1970
, p. 460.
16.
Davis
,
B. E.
, “
Viscosity-Temperature Relationships of Certain Bituminous Materials
,” M.S. thesis,
University of Wyoming
, Laramie, Wyo.,
1966
.
17.
Ling
,
J. K.
, “
Temperature Dependence of Asphalt Viscosity
,” M.S. Engineering thesis,
University of Florida
, Gainesville, Fla.,
1972
.
18.
ASTM Standard Viscosity-Temperature Chart for Asphalts D 2493-68, 1971 Annual Book of ASTM Standards, Part 11,
American Society for Testing and Materials
.
19.
Cogswell
,
F. N.
Lamb
,
P.
,
Plastics and Polymers
 0300-3582,
10
1970
, p. 331.
20.
Lodge
,
R. W.
, “
Effect of Pressure in Asphalt Viscometry
,” M.S. Engineering thesis,
University of Florida
, Gainesville, Fla.,
1971
. (A paper is being prepared for publication.)
21.
Schweyer
,
H. E.
, unpublished privileged information.
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