Development of Dilatometer Test Method to Measure Coefficient of Thermal Expansion of Aggregates
Publication: Journal of Materials in Civil Engineering
Volume 21, Issue 12
Abstract
This paper addresses a user-friendly test method to measure as-received aggregate coefficient of thermal expansion (CoTE) using dilatometery. A dilatometer can accommodate materials of different size, shape, and density and can measure representative CoTE within approximately a 24-h period. The dilatometer test was validated by establishing favorable comparisons between the dilatometer measured CoTE and the CoTE determined by alternative techniques for selected metals, minerals, and aggregates. This method has a great potential to be considered as a laboratory method for measuring the CoTE of aggregate materials. The new dilatometer-based test method can be used by state DOTs and other specifying agencies (1) to determine the CoTE of an aggregate source and to assess the variability of the average CoTE as a measure of quality control and (2) to design mixture proportions for achieving the required concrete CoTE as a function of aggregate CoTE. This test allows for the improvement of the characterization of concrete thermal behavior, as a function of its constituent properties, leading to better performance prediction.
Get full access to this article
View all available purchase options and get full access to this article.
References
AASHTO. (2000). “Standard test method for the coefficient of thermal expansion of hydraulic cement concrete.” AASHTO TP 60-00 [The standard as written was based on the procedures and equipment developed by the FHWA TFHRC to test the CTE of cores taken for many PCC pavements in the long term pavement performance program (LTPP)], Washington, D.C.
Ahrens, T. J. (1995). Mineral physics and crystallography: A handbook of physical Constants, American Geophysical Union (AGU Reference Shelf 2), Washington, D.C., 354.
ASTM. (1993a). “Standard test method for specific gravity and absorption of coarse aggregate.” ASTM C 127, West Conshohocken, Pa.
ASTM. (1993b). “Standard method for specific gravity and absorption of fine aggregate.” ASTM C 128, West Conshohocken, Pa.
Callister, W. D., Jr. (2007). Materials science and engineering: An introduction, Wiley, New York, 721.
Davis, R. E. (1930). “A summary of the results of investigations having to do with volumetric changes in cements, mortars and concrete, due to causes other than stress.” ACI J., 26, 407–443.
Handbook for concrete and cement. (1949). U.S. Army Engineer Waterways Experiment Station, Vicksburg, Miss. (with quarterly supplements).
Huang, Y. H. (1993). Pavement analysis and design, Prentice-Hall, Englewood Cliffs, N.J.
Lane, D. S. (1994). “Section 39: Thermal properties of aggregate.” ASTM STP 169C, 04-169030-07 on significance of tests and properties of concrete and concrete-making materials, P. Klieger and J. F. Lamond, eds., American Society for Testing and Materials, Philadelphia, 39.438–39.445.
Lide, D. R. (1990). CRC handbook of chemistry and physics, CRC, Boca Raton, Fla., 11-2–11-3.
Meyers, S. L. (1951). “How temperature and moisture changes may affect durability of concrete.” Rock Products, 54(8), 153–162.
Mitchell, L. J. (1953). “Thermal expansion tests on aggregates, neat cements, and concrete.” ACI J., 48, 964–977.
Mullen, W. G., Bloem, D. L., and Walker, S. (1952). “Effects of temperature changes on concrete as influenced by aggregates.” ACI J., 48, 661–679.
Neville, A. M. (1997). Properties of concrete, Wiley, New York.
Sellevold, E. J., and Bjontegaard, O. (2003). “Thermal expansion coefficient (CTE) of cement paste and concrete: Effect of moisture content.” Advances in Cement and Concrete, Proc., an Int. Conf., Copper Mountain, Colo., 27–37.
Venecanin, S. D. (1990). “Thermal incompatibility of concrete components and thermal properties of carbonate rocks.” ACI Mater. J., 87(6), 602–607.
Verbeck, G. J., and Hass, W. E. (1951). “Dilatometer method for determination of thermal coefficient of expansion of fine and coarse aggregate.” Proc., Thirtieth Annual Meeting, Highway Research Board, Washington, D.C., 187.
Willis, T. F., and DeReus, M. E. (1939). “Thermal volume change and elasticity of aggregates and their effect on concrete.” Proc., American Society for Testing and Materials, Vol. 39, ASTM, Philadelphia, Pa., 919.
Information & Authors
Information
Published In
Copyright
© 2009 ASCE.
History
Received: Jan 4, 2008
Accepted: Feb 11, 2009
Published online: Nov 13, 2009
Published in print: Dec 2009
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.