Environmental Friendly Sulphoaluminate Cement Based Rapid Hardening and Repair Materials

Meng Jie Lu; Ming Fang Ba; Dan Yi Man; Si Yuan Ma; Jie Yang; Sheng Zhe Shao

doi:10.4028/www.scientific.net/AMM.548-549.12

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 548-549Environmental Friendly Sulphoaluminate Cement...

Environmental Friendly Sulphoaluminate Cement Based Rapid Hardening and Repair Materials

Abstract:

In order to save the costs of the rapid hardening and repair sulphoaluminate cement and improve its working performance, the effects of slag, fly ash, silica fume in different contents and different adding ways on the initial setting time and working performance of sulphoaluminate cement are studied. The results show that the initial setting time of single-doped slag and fly ash both meet the requirements of repair materials, but silica fume significantly cuts the cement’s initial setting time short, which does not meet the construction conditions for rapid hardening and repair. Ultimately it is determined that the mechanical properties of sulphoaluminate cement are the best when slag and fly ash are compound added by the content of 30% at 4:1 mass ratio and simultaneously the initial setting time meets the conditions for rapid hardening and repair.

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Periodical:

Applied Mechanics and Materials (Volumes 548-549)

Pages:

12-15

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.548-549.12

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Online since:

April 2014

Authors:

Meng Jie Lu, Ming Fang Ba*, Dan Yi Man, Si Yuan Ma, Jie Yang, Sheng Zhe Shao

Keywords:

Initial Setting Time, Mechanical Property, Mineral Admixture, Rapid Hardening, Sulphoaluminate Cement

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