1. 2) Li, X. : Recycling and reuse of waste concrete in China: Part I. Material behavior of recycled aggregate concrete, Resources, Conservation and Recycling, Vol. 53, No. 1, pp. 36-44, 2008.
2. 3) Hansen, T. C. : Recycling of Demolished Concrete and Masonry, CRC Press, 2004.
3. 9) Soroka, I. and Sereda, P. J. : Interrelation of hardness,modulus of elasticity, and porosity in various gypsum systems, Journal of the American Ceramic Society, Vol. 51, No. 6, pp. 337-40, 1968.
4. 10) Soroka, I. and Sereda, P. J. : The structure of cement-stone and the use of compacts as structural models, Proceedings of 5th International Symposium on the Chemistry of Cement, Vol. 111, pp. 67-73, 1968.
5. 11) Sakai, Y. : Understanding of deformation of crushed concrete particles under confining stress and its application for recycling technique, The 7th Asia-Pacific Young Researchers and Graduates Symposium (YRGS2017), Tokyo, 2017 (CD-ROM).