关键词: 磨细锶渣;水泥胶砂;强度;干缩性能

Abstract: In order to investigate the relationship between the amount of pulverized strontium slag and strength of cement mortar, the paper compared frost resistance differences among standard of cement mortar, normal pulverized strontium slag cement mortar and 800 ℃ calcined pulverized strontium slag cement mortar, and analyzed the effects of pulverized strontium slag and 800 ℃ calcined pulverized strontium slag on cement mortar strength and dry shrinkage performance under three kinds of curing conditions.The results show that the strength of cement mortar decreases with the increase of the amount of pulverized strontium slag.Addition of pulverized strontium slag is disadvantageous to the frost resistance of mortar, but the frost resistance of the pulverized strontium slag is improved after 800 ℃ calcining and can satisfy the requirement.Curing in water and standard curing in air are beneficial to the strength development of pulverized strontium slag.Besides, pulverized strontium slag is propitious to the early strength of mortar and improved the dry shrinkage performance of cement mortar.

Key words: pulverized strontium slag;cement mortar;strength;dry shrinkage performance