The paper written by Dr. Bui, Prof. Kawai and Assist. Ogawa has been selected as the Outstanding Paper 2018 of Materials and Structures

The article entitled "Long-term pozzolanic reaction of fly ash in hardened cement-based paste internally activated by natural injection of saturated Ca(OH)₂ solution" by Dr. Bui, Prof. Kawai and Asst. Prof. Ogawa has been selected as the Outstanding Paper 2018 in Materials and Structures by the board of editors. This paper is published as open access paper.