IMPROVING INITIAL STRENGTH OF A CONCRETE MADE WITH TYPE 20M CEMENT
A special interest for contractors is improving the initial strength of concrete to enhance their productivity by reducing the delay before deforming. The study presented here illustrates that it is possible to employ a low heat of hydration Type 20M cement, which is typically employed in Quebec in mass concrete construction, to develop high initial strength that can be used to enhance the production of massive structural elements. Type 20M cement has a slightly lower heat of hydration than Type II American Society for Testing and Materials (ASTM) cement. The improvement of initial strength of concrete created with Type 20M cement is made possible by reducing the water-cement ratio using a melamine-based superplasticizer that has less influence on retarding the setting time than that of a naphthalene-based superplasticizer and by replacing part of the cement with an adequate amount of silica fume and limestone filler.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/oclc/3528769
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Corporate Authors:
American Society for Testing and Materials (ASTM)
100 Barr Harbor Drive, P.O. Box C700
West Conshohocken, PA United States 19428-2957 -
Authors:
- Kessal, M
- Nkinamubanzi, P-C
- Tagnit-Hamou, A
- Aitcin, P-C
- Publication Date: 1996-6
Language
- English
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 49-54
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Serial:
- Cement, Concrete and Aggregates
- Volume: 18
- Issue Number: 1
- Publisher: American Society for Testing and Materials (ASTM)
- ISSN: 0149-6123
- Serial URL: http://journalsip.astm.org/JOURNALS/CEMENT/cca_home.html
Subject/Index Terms
- TRT Terms: Admixtures; Concrete; Concrete curing; Heat of hydration; Limestone fillers; Mass concrete; Performance; Resistance (Mechanics); Silica fume; Superplasticizers; Temperature; Time duration
- Uncontrolled Terms: High performance; Resistance (Mater); Short term
- Subject Areas: Highways; Materials; I32: Concrete;
Filing Info
- Accession Number: 00726971
- Record Type: Publication
- Files: TRIS
- Created Date: Oct 26 1996 12:00AM