Modelling the structural behaviour of frost-damaged reinforced concrete structures

A methodology is introduced to predict the mechanical behaviour of reinforced concrete structures with an observed amount of frost damage at a given time. It is proposed that the effects of internal frost damage and surface scaling can be modelled as changes of material and bond properties, and geometry, respectively. These effects were studied and suggestions were made to relate the compressive strength and dynamic modulus of elasticity, as the indicators of damage, to the response of the damaged concrete in compression and tension, and to the bond behaviour. The methodology was applied to concrete beams affected by internal frost damage, using non-linear finite element analyses. A comparison of the results with available experimental data indicated that the changes in failure mode and, to a rather large extent, the effect on failure load caused by internal frost damage can be predicted. However, an uncertainty was the extension and distribution of the damaged region which affected the prediction of the load capacity.

[1]  J. Beaudoin,et al.  The mechanism of frost damage in hardened cement paste , 1974 .

[2]  Tamon Ueda,et al.  Stress-Strain Model of Concrete Damaged by Freezing and Thawing Cycles , 2004 .

[3]  E. Thorenfeldt.  Mechanical properties of high-strength concrete and applications in design , 1987 .

[4]  T. Ueda,et al.  Mesoscale Simulation of Influence of Frost Damage on Mechanical Properties of Concrete , 2009 .

[5]  B Barnwell,et al.  SUDAAN User's Manual, Release 7.5, , 1997 .

[6]  Joachim Bluhm,et al.  Modeling of ice formation in porous solids with regard to the description of frost damage , 2005 .

[7]  E. A. Clark,et al.  CEB-FIP Model Code 1990 , 1995 .

[8]  Manouchehr Hassanzadeh,et al.  Residual strength of the frost-damaged reinforced concrete beams , 2006 .

[9]  J. Marchand,et al.  Modeling the deterioration of hydrated cement systems exposed to frost action: Part 1: Description of the mathematical model , 2000 .

[10]  D. Hordijk.  Local approach to fatigue of concrete , 1991 .

[11]  S. Chatterji,et al.  Aspects of freezing process in porous material-water system , 1999 .

[12]  T S Shih,et al.  EFFECT OF FREEZING CYCLES ON BOND STRENGTH OF CONCRETE , 1988 .

[13]  P. Utgenannt,et al.  Frost-damaged concrete: Part 1. Material properties , 2009 .

[14]  Comite Euro-International du Beton,et al.  CEB-FIP Model Code 1990 , 1993 .

[15]  George W. Scherer,et al.  Mechanism for Salt Scaling , 2006 .

[16]  Kevin L. Rens,et al.  FACTORS AFFECTING RESISTANCE OF CONCRETE TO FREEZING AND THAWING DAMAGE , 2000 .

[17]  Marie Manthey,et al.  A GUIDE FOR , 1967 .

[18]  Mario Plos,et al.  A guide to non-linear finite element modelling of shear and torsion in concrete bridges , 2008 .

[19]  H. Shang,et al.  Experimental study of strength and deformation of plain concrete under biaxial compression after freezing and thawing cycles , 2006 .

[20]  Masayasu Ohtsu,et al.  Quantitative damage evaluation of structural concrete by a compression test based on AE rate process analysis , 2004 .

[21]  S. Chatterji,et al.  Aspects of the freezing process in a porous material–water system: Part 1. Freezing and the properties of water and ice , 1999 .

[22]  Frauke Pohlki,et al.  The Mechanism of the , 2001, Angewandte Chemie.

[23]  Yupu Song,et al.  Effect of freeze-thaw cycles on bond strength between steel bars and concrete , 2008 .

[24]  Masayasu Ohtsu,et al.  Relative damage evaluation of concrete in a road bridge by AE rate-process analysis , 2007 .

[25]  Maria Anna Polak,et al.  Influence of Freezing-and-Thawing Damage on Behavior of Reinforced Concrete Elements , 2007 .

[26]  T. Powers.  A Working Hypothesis for Further Studies of Frost Resistance of Concrete , 1945 .

[27]  Göran Fagerlund,et al.  A service life model for internal frost damage in concrete , 2004 .

[28]  T. Ueda,et al.  Stress-Strain relationship of frost-damaged concrete subjected to fatigue loading , 2008 .

[29]  Per Kettil,et al.  Analytical model for the bond-slip behaviour of corroded ribbed reinforcement , 2012 .

[30]  Björn Johannesson,et al.  Effect of Frost Damage on Bond between Reinforcement and Concrete – A contribution to the BRITE/EURAM project BREU-CT92-0591, Internal LTH Report, TVBM 9016 , 1994 .

[31]  J.G.M. van Mier,et al.  Strain-softening of concrete under multiaxial loading conditions , 1984 .