Correlation between porosity, permeability and ultrasonic parameters of mortar with variable water / cement ratio and water content

This paper presents results of studies of ultrasonic and structural parameters of mortar. The objective of the study is to determine correlations between ultrasonic pulse velocity (UPV), porosity and permeability. The material investigated consists in seven mortar mixtures with water / cement ratio varying from 0.3 to 0.6. The paper is composed of three parts. The first one presents a description of the mortar samples that were subjected to ultrasonic, porosity and gas permeability tests and describes the details of those tests. Then, a simple model is proposed to relate ultrasonic pulse velocity with porosity and permeability. Finally, experimental results are shown and correlations between the measured parameters of the material are discussed. In the range of porosity values considered, the model correctly describes the dependence of UPV versus porosity and permeability. It could thus be used to predict the evolution of structural parameters of the material from non-destructive measurements.

[1]  Masuzawa,et al.  Water content and its effect on ultrasound propagation in concrete--the possibility of NDE , 2000, Ultrasonics.

[2]  D. Breysse,et al.  Modelling of permeability in cement-based materials: Part 1-uncracked medium , 1997 .

[3]  J. H. Bungey,et al.  Testing concrete in structures , 1989 .

[4]  Measurement of ultrasonic attenuation and Rayleigh wave dispersion for testing concrete with subsurface damage , 2002, 2002 IEEE Ultrasonics Symposium, 2002. Proceedings..

[5]  S Ould Naffa,et al.  Assessment of broadband ultrasonic attenuation measurements in inhomogeneous media. , 2002, Ultrasonics.

[6]  Haluk Aktan,et al.  Active and non-active porosity in concrete Part II: Evaluation of existing models , 2002 .

[7]  J. Achenbach.  Wave propagation in elastic solids , 1962 .

[8]  B. Tittmann,et al.  Effect of volatiles on attenuation (Q −1) and velocity in sedimentary rocks , 1980 .

[9]  Olovier Coussy,et al.  Mecanique des Milieux Poreux , 1992 .

[10]  S. Popovics.  Strength and Related Properties of Concrete: A Quantitative Approach , 1998 .

[11]  Hernandez,et al.  Porosity estimation of concrete by ultrasonic NDE , 2000, Ultrasonics.

[12]  Sidney Diamond,et al.  Mercury porosimetry: An inappropriate method for the measurement of pore size distributions in cement-based materials , 2000 .

[13]  Emmanuel P. Papadakis.  Buffer‐Rod System for Ultrasonic Attenuation Measurements , 1968 .

[14]  Amos Nur,et al.  Seismic attenuation: Effects of pore fluids and frictional-sliding , 1982 .

[15]  M. Goueygou,et al.  Detection of chemical damage in concrete using ultrasound. , 2002, Ultrasonics.

[16]  R. Carmichael.  CRC handbook of physical properties of rocks , 1982 .

[17]  R. Miralles,et al.  NDE ultrasonic methods to characterise the porosity of mortar , 2001 .

[18]  Hans W. Reinhardt,et al.  Gas permeability coefficient of cover concrete as a performance control , 1997 .

[19]  U. Kaatze,et al.  Broad-band ultrasonic measurement techniques for liquids , 1996 .

[20]  Emmanuel P. Papadakis,et al.  Ultrasonic attenuation by spectrum analysis of pulses in buffer rods: Method and diffraction corrections , 1973 .

[21]  K. Tharmaratnam,et al.  Attenuation of ultrasonic pulse in cement mortar , 1990 .

[22]  Joseph L. Rose,et al.  The behaviour of ultrasonic pulses in concrete , 1990 .

[23]  Emmanuel P. Papadakis,et al.  Revised Grain‐Scattering Formulas and Tables , 1964 .

[24]  Amos Nur,et al.  Pore fluids and seismic attenuation in rocks , 1979 .

[25]  Zoubeir Lafhaj,et al.  Experimental study of gas and liquid permeability of a mortar , 2002 .

[26]  V. M. Malhotra,et al.  CRC Handbook on Nondestructive Testing of Concrete , 1990 .

[27]  Jan Drewes Achenbach,et al.  One-Sided Stress Wave Velocity Measurement in Concrete , 1998 .