Improving the properties of cement-fly ash grout using fiber and superplasticizer

研究成果: 雜誌貢獻期刊論文同行評審

55 引文 斯高帕斯(Scopus)


The physical properties of cement-fly ash grouts containing organic fiber and superplasticizer (SP) for isolation of low-level radioactive wastes are presented. In order to produce a workable, crack-resisting, impermeable, and durable grout, the grout mixes studied contain cement, fly ash, water, polypropylene (PP) fiber, and SP. Laboratory studies included viscosity, bleeding, setting time, compressive and flexural strengths, pore structure, water permeability, and durability of grout mixes. The findings indicated that grouts containing organic fiber were more crack-resisting and less vulnerable to environmental changes, but showed higher viscosity and permeability. With the incorporation of SP in grout mixes, the adverse effects introduced by organic fiber were corrected with additional improvements in viscosity, flexural strength, water permeability, and durability against wet-dry cycling and sulfate attack.

頁(從 - 到)1033-1041
期刊Cement and Concrete Research
出版狀態已出版 - 7月 2001


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