Rapid Set Cement for Precast Prestressed Bridge Girder Applications
| 项目名称： | Rapid Set Cement for Precast Prestressed Bridge Girder Applications |
| 摘要： | This study will investigate calcium sulfoaluminate (CSA) cement as a sustainable alternative to portland cement in precast concrete. Compared with portland cement, CSA cement offers a 60% reduction in consumption of natural resources, 50% lower associated carbon emissions, and 35% lower embodied energy. CSA cement offers the additional benefits of very rapid hydration and improved durability over portland cement. CSA cement exhibits setting times between ten minutes and one hour, which will allow precast CSA concrete elements to be cast and demolded in a fraction of the time that their portland cement concrete counterparts require. Since CSA-based materials exhibit improved dimensional stability and resistance to chloride ingress, as well as immunity to alkali-silica reaction and sulfate attack, the durability of the resulting precast elements will be exceptional. |
| 状态： | Completed |
| 资金： | 119467 |
| 资助组织： | Office of the Assistant Secretary for Research and Technology |
| 管理组织： | Mountain-Plains Consortium |
| 项目负责人： | Kline, Robin |
| 执行机构： | Utah State University, Logan |
| 主要研究人员： | Sorensen, Andrew |
| 开始时间： | 20171211 |
| 预计完成日期： | 20220731 |
| 实际结束时间： | 20200505 |
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