Amran, Y. H., Farzadnia, N. and Ali, A. A. (2015). “Properties and applications of foamed concrete; A review.” Construction and Building Materials, Vol. 101, No. 1, pp. 990-1005.

Chung, S. Y., Han, T. S., Kim, S. Y., Kim, J. H. J., Youm, K. S. and Lim, J. H. (2016). “Evaluation of effect of glass beads on thermal conductivity of insulating concrete using micro CT images and probability functions.” Cement and Concrete Composites, Vol. 65, pp. 150-162.

Cui, F., Wang, X. L., Peng, S. and Vogel, C. (2004). “A parallel algorithm for Quasi Euclidean distance transform.” Journal of Image and Graphics, Vol. 6, pp. 10.

Gastaldi, D., Canonico, F., Capelli, L., Boccaleri, E., Milanesio, M., Palin, L., Croce, G., Marone, F., Mader, K. and Stampanoni, M. (2012). “In situ tomographic investigation on the early hydration behaviors of cementing systems.” Construction and Building Materials, Vol. 29, pp. 284-290.

Hilal, A. A., Thom, N. H. and Dawson, A. R. (2015). “On void structure and strength of foamed concrete made without/with additives.” Construction and Building Materials, Vol. 85, pp. 157-164.

Jiang, J., Lu, Z., Niu, Y., Li, J. and Zhang, Y. (2016). “Study on the preparation and properties of high-porosity foamed concretes based on ordinary portland cement.” Materials and Design, Vol. 92, pp. 949-959.

Kearsley, E. P. and Wainwright, P. J. (2002). “The effect of porosity on the strength of foamed concrete.” Cement and Concrete Research, Vol. 32, No. 2, pp. 233-239.

Lim, S. K., Tan, C. S., Lim, O. Y. and Lee, Y. L. (2013). “Fresh and hardened properties of lightweight foamed concrete with palm oil fuel ash as filler.” Construction and Building Materials, Vol. 46, pp. 39-47.

Mehta, P. K. and Monteiro, P. J. M. (2013). Concrete: Microstructure, properties, and materials (4th ed.), McGraw-Hill Education, USA.

Neville, A. M. (2012). Properties of concrete (5th ed.), Pearson Education, England.

Otsu, N. (1979). “A threshold selection method from gray-level histograms.” Man and Cybernetics, Vol. 9, No. 1, pp. 62-66.

Ramamurthy, K., Nambiar, E. K. and Ranjani, G. (2009). “A classification of studies on properties of foam concrete.” Cement and Concrete Composites, Vol. 31, No. 6, pp. 388-396.

Wei, S., Yiqiang, C., Yunsheng, Z. and Jones, M. R. (2013). “Characterization and simulation of microstructure and thermal properties of foamed concrete.” Construction and Building Materials, Vol. 47, pp. 1278-1291.

Yang, K. H., Lo, C. W. and Huang, J. S. (2013). “Production and properties of foamed reservoir sludge inorganic polymers.” Cement and Concrete Composites, Vol. 38, pp. 50-56.

Zhang, Z., Provis, J. L., Reid, A. and Wang, H. (2015). “Mechanical, thermal insulation, thermal resistance and acoustic absorption properties of geopolymer foam concrete.” Cement and Concrete Composites, Vol. 62, pp. 97-105.