Abstract
High content belite clinker with a phosphorus oxide（P2O5）content up to 1 percent was test produced and subjected to research of its effect on the properties of clinker and cement. With an increase in P2O5 content in clinker, content of alite decreased and that of belite increased. The change amount of alite and belite was the same as N clinker studied previously and calculated value. We assumed that all P2O5 was a solid solution in belite as C3P. Thus, it was suggested that belite is doped with P2O5. P2O5 effect on the cement color and setting time was little. With an increase in P2O5 content in clinker, the compressive strength and the hydration heat until age of 28 days were decreased. The change amount of compressive strength and hydration heat were corresponded. This study or the result of this study could contribute to quality control high content belite cement.
