Development of a Moisture-Modified Maturity Model for Portland Cement Concrete Pavements

Jin-Hoon Jeon, Seungwook Lim, Dan Zollinger

Abstract


Different mathematical models have been developed to represent the relationship between strength and maturity of concrete. The linear relationship between double logarithmic strength and logarithmic maturity can be implemented in practice to monitor the in-place strength gain and time of opening under variable temperature conditions. Moisture of concrete was considered within the context of existing maturity concepts as a means for improving the predictability of concrete strength. A moisture modification factor developed by Bazant on the basis of Powers’ work was modified and included in an existing temperature-based maturity model. An improved relationship between relative strength and maturity was established by using the corrected moisture modification factor.


Keywords:

concrete pavement; maturity; strength; non-destructive test; moisture; temperature

Full Text:

PDF

References


Bazant, Z. P. 1969. Thermodynamic theory of concrete deformation at variable temperature and humidity. Report No 69-11.

Division of Structural Engineering and Structural Mechanics, University of California at Berkeley. 100 p.

Bazant, Z. P. 1970. Constitutive equation for concrete creep and shrinkage based on thermodynamics of multiphase systems, Materials and Structures, RILEM, 3(13): 3–36.

Carino, N. J.; Lew, H. S.; Volz, C. K. 1982a. Early-age temperature effects on concrete strength prediction by the maturity method, Journal of American Concrete Institute 80(2): 93–101.

Carino, N. J. 1982b. Maturity functions for concrete, in Proc of the RILEM International Conference on Concrete at Early Ages. Ecole Nationale des Ponts et Chausses, Paris, France, 111–115.

Carino, N. J; Tank, R. C. 1992. Maturity functions for concretes made with various cements and admixtures, ACI Materials Journal 89(2): 188–196.

CCA. 1976. Research and development – research on materials. Annual report. Cement and Concrete Association. 14–19.

Chanvillard, G.; D’Aloia, L. 1997. Strength estimation at early ages: modification of the method of equivalent age, ACI Materials Journal 94(6): 520–530.

Copeland, L. E.; Kantro, D. L.; Verbeck, G. 1960. Chemistry of hydration of portland cement, in Proc of the 4th International Symposium on the Chemistry of Cement 1, Washington DC, 429–468.

Freiesleben-Hansen, P.; Pedersen, E. J. 1977. Maturity computer for controlled curing and hardening of concrete, Nordisk Betong, Stockholm, Sweden, 464–470.

Gawin, D.; Pesavento, F.; Schrefler, B. A. 2006. Hygro-thermochemo-mechanical modelling of concrete at early ages and beyond. Part I: Hydration and hygro-thermal phenomena, International Journal for Numerical Methods in Engineering 67(3): 299–331.

Kee, C. F. 1971. Relation between strength and maturity of concrete, ACI Journal 68(3): 196–203.

Kim, J. K.; Han, S. H.; Lee, K. M. 2001. Estimation of compressive strength by a new apparent activation energy function, Cement and Concrete Research 31(2): 217–225.

Knudsen, T. 1980. On particle size distribution in cement hydration, in Proc of the 7th International Congress on the Chemistry of Cement, Edition Septima II, Paris, 170–175.

Knudsen, T. 1984. The dispersion model for hydration of portland cement: I. General concepts, Cement and Concrete Research 14: 622–630.

McIntosh, J. D. 1949. Electrical curing of concrete, Magazine of Concrete Research 1(1): 21–28.

Nurse, R. W. 1949. Steam curing of concrete, Magazine of Concrete Research 1(2): 79–88.

Pane, I.; Hansen, W. 2002. Concrete hydration and mechanical properties under non-isothermal conditions, ACI Materials Journal 99(6): 534–542.

Powers, T. C. 1947. A discussion of cement hydration in relation to the curing of concrete, in Proc of the Highway Research Board No 27, Highway Research Board, Washington DC, 178–188.

Saul, A. G. A. 1951. Principles underlying the steam curing of concrete at atmospheric pressure, Magazine of Concrete Research 2(6): 127–140.

Tank, R. C.; Carino, N. J. 1991. Rate-constant functions for strength development of concrete, ACI Materials Journal 88(1): 74–83.

Wang, L. 2000. Early age characterization of concrete temperature and moisture parameters. PhD dissertation, Texas A&M University, College Station, TX. 222 p.

Weaver, J.; Sadgrove, B. M. 1971. Striking times of formworktables of curing periods to achieve given strengths. Report No 36, Construction Industry Research and Information Association, London. 73 p.

Yi, S. T.; Moon, Y. H.; Kim, J. K. 2005. Long-term strength prediction of concrete with curing temperature, Cement and Concrete Research 35(10): 1961–1969.


Refbacks

  • There are currently no refbacks.


Copyright (c) 2008 Vilnius Gediminas Technical University (VGTU) Press Technika