Fig. 1. Oxygen permeability test of none cracking specimen
Fig. 2. Experiment device
Fig. 3. Measuring device for oxygen gas concentration
Fig. 4. Oxygen concentration change of C series with respect to measuring time
Fig. 5. Relationship between diffusion coefficient and crack width for C series specimens
Fig. 6. Relationship between diffusion coefficient and specimen thickness for T series specimens
Fig. 7. Oxygen inflow of T series specimens
Table 1. Specimen information
Table 2. Diffusion coefficient of C series specimens
Table 3. Oxygen Inflow through a crack for T series specimens
References
- Abbas, A., Carcasses, M., Ollivier, J.P. (1999). Gas permeability of concrete in relation to its degree of saturation, Materials and Structures, 32, 3-8. https://doi.org/10.1007/BF02480405
- Chen, W., Skoczylas, F. (2010). "Gas permeability of macro-cracked concrete: effect of temperature and water saturation," 7th International Conference on Fracture Mechanics of Concrete and Concrete Structures, FRAMCOS7, Jeju, Korea.
- Choi, S.W, Bae, W.H., Lee, K.M., Shin, K.J. (2017). Correlation between crack width and water flow of cracked mortar specimens measured by constant water head permeability test, Journal of the Korea Concrete Institute, 29(3), 267-273 [in Korean]. https://doi.org/10.4334/JKCI.2017.29.3.267
- Edvardsen, C. (1999). Water permeability and autogenous healing of cracks in concrete, ACI Materials Journal, 96(4), 448-454.
- Houaria, M.B.A., Abdelkader, M., Marta, C., Abdelhafid, K. (2017). Comparison between the permeability water and gas permeability of the concretes under the effect of temperature, Energy Procedia, 139, 725-730. https://doi.org/10.1016/j.egypro.2017.11.278
- Jacobs, F. (1998). Permeability to gas of partially saturated concrete, Magazine of Concrete Research, 50(2), 115-121. https://doi.org/10.1680/macr.1998.50.2.115
- Kim, C.H. (2001). Chemistry Dictionaries, Sehwa pub.
- Lee, D.K., Shin, K.J. (2017). "Crack width evaluation of concrete using gas diffusion experiment," Korean Society of Civil Engineers.
- Mehta, P.K., Monteiro, P.J.M. (2014). Concrete, Microstructure properties and Materials, Third edition, McGraw-hill, NewYork.
- Picandet, V., Khelidj, A., Bastian, G. (2001). Effect of axial compressive damage on gas permeability of ordinary and high performance concrete, Cement and Concrete Research, 31, 1525-1532. https://doi.org/10.1016/S0008-8846(01)00546-4
- Picandet, V., Khelidj, A., Bellegou, H. (2009). Crack effects on gas and water permeability of concretes, Cement and Concrete Research, 39(6), 537-547. https://doi.org/10.1016/j.cemconres.2009.03.009
- Rooij, M.D., Tittelboom, K.V., Belie, N.D., Schlangen, E. (2013). State-of-the-Art Report of RILEM Technical Committee 221-SHC: Self-Healing Phenomena in Cement-Based Materials, RILEM stats of the art report, 11.
- Shin, K.J., Bae, W.H., Kim, S.W., Lee, K.M. (2016). "Validation of permeability test for crack width assessment of concrete," healCON, TU Delft, Netherlands.
- Tittarelli, F. (2009). Oxygen diffusion through hydrophobic cement-based materials, Cement and Concrete Research, 39(10), 924-928. https://doi.org/10.1016/j.cemconres.2009.06.021
- Villani, C., Loser, M., Martine, J.W., Carmelo, D.B., Lura, P., Weiss, W.J. (2014). An inter lab comparison of gas transport testing procedures: Oxygen permeability and oxygen diffusivity, Cement and Concrete Composites, 53, 357-366. https://doi.org/10.1016/j.cemconcomp.2014.05.004
- Wang, K., Daniel, C.J., Surendra, P.S., Alan, F.K. (1997). Permeability study of cracked concrete, Cement and Concrete Research, 27(3), 381-393, https://doi.org/10.1016/S0008-8846(97)00031-8
- Wu, Z., Wong, H.S., Buenfeld, N.R. (2017). Transport properties of concrete after drying-wetting regimes to elucidate the effects of moisture content, hysteresis and microcracking, Cement and Concrete Research, 98, 136-154. https://doi.org/10.1016/j.cemconres.2017.04.006