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ASTM Selected Technical Papers
Petrography of Cementitious Materials
By
SM DeHayes
SM DeHayes
1
California Portland Cement Company
,
Glendora, CA
;
Symposium chairperson and editor
.
Search for other works by this author on:
D Stark
D Stark
2
Construction Technology Laboratories
,
Skokie, IL
;
Symposium chairperson and editor
.
Search for other works by this author on:
ISBN-10:
0-8031-1878-3
ISBN:
978-0-8031-1878-2
No. of Pages:
156
Publisher:
ASTM International
Publication date:
1994

Petrography has long been used to reveal the microstructure of ores and minerals. Its use in the cement industry however is fairly new. Petrographic investigation can reveal various phases of cement. These provide an understanding of the burning process in the kiln, along with equally important factors which govern the quality of the cement, such as mortar strength, weather resistance and grindability. To obtain this information, the clinker or the concrete specimen must be prepared (polished) in a specific manner so that it can be analyzed under an optical microscope. This paper describes the various methods of specimen preparation which are used for microscopic investigation and application of improved preparation equipment is emphasized.

1.
Gouda
,
George R.
, “
Effective Clinker Composition on Grindability
,”
Cement and Concrete Research
 0008-8846, vol.
9
,
1979
.
2.
Ahmed
,
W. U.
, “
Preparation of Cement Clinkers for Microscopic Analysis
,” Proceedings of the Third International Conference on Cement Microscopy,
Houston, Texas
, pp. 1–9,
International Cement Microscopy Association
,
1981
.
3.
Campbell
,
D. H.
and
Ahmed
,
W. U.
, “
New Methods of Sample Preparation of Portland Cement Clinker and the Related Materials
,”
Microstructural Science
, vol
7
,
Elsevier, North Holland, Inc.
New York
,
1979
, pp. 369–375.
4.
DeLisle
,
F. A.
, “
Microscopic Analysis of Clinker and Cement
.”
Cement Technology
, May/June 1976, pp. 93–99.
5.
Ahmed
,
W. U.
, “
Advances in Sample Preparation for Clinker and ConcreteMicroscopy
”,
World Cement
, vol
22
,
08
1993
, pp. 8–12.
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