X-ray tomography (X-CT) was applied to track in-situ, continuously and visually the migration process of water in unsaturated cement pastes.The effects of w
In the latest period hundreds of concrete viaducts were built in Poland within a short time range.Their characteristic feature was the use of high class con
This article selected the Portland cement clinker grinding P.O42.5 cement with CaA content less than 7%,the S95 grade slag powder, the secondary fly ash and
During the hydration of cement tricalcium aluminate (C3A) reacts with gypsum and forms Ettringite (AFt).Once all gypsum is consumed ettringite can further r
In this paper, the composition and microstructure of high performance concrete with chemical and mineral admixtures were analyzed.The main transport paths f