详情

Development of Rapid Setting Soil-Cement Mixture Designs and Performance Testing

项目名称：	Development of Rapid Setting Soil-Cement Mixture Designs and Performance Testing
摘要：	The maintenance and repair of maritime infrastructure is critical to maintaining important shipping channels and preventing unnecessary loss of life or economic impact after storms. The fastest repair, reconstruction, and maintenance techniques may become more desirable as labor costs increase and delays become costlier. The objective of this research is to identify the properties and proportioning of Belitic Calcium Sulfoaluminate (BCSA) soil-cement mixtures most effective for use in waterway structures. BCSA cement is a rapid setting, low-shrinkage cement which can be used in a similar fashion to portland cement (PC). The main advantage of BCSA over PC is that it gains strength extremely quickly, meaning it can be used for rapid repairs and accelerated construction. This project builds upon findings from a previous MarTREC project that proved that BCSA could be applied to soil-cement mixing (in place of PC), speeding up strength gain significantly. The proposed work would narrow down the design and appropriate use of this material, developing mixture proportioning guidelines and investigating its durability with an emphasis on its use in waterway applications (e.g., levee construction and repair, slope protection, erosion protection, seepage reduction). In addition to standard soil and soil-cement properties determination, strength testing, freeze-thaw testing, wetting and drying testing, permeability testing, and erosion testing will be performed. The result will be new guidance on how to effectively use BCSA soil cement for rapidly deployable, long lasting repairs to soil structures. This knowledge could also be used any time faster construction of stabilized soil structures is needed.
状态：	Active
资金：	225000
资助组织：	Office of the Assistant Secretary for Research and Technology
项目负责人：	Murray, Cameron D；Barry, Michelle L
执行机构：	University of Arkansas, Fayetteville
开始时间：	20210901
预计完成日期：	20230630
主题领域：	Bridges and other structures；Geotechnology；Highways；Materials