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Prediction of cement infiltration depth in coarse-grained soil
Abstract During construction of underground structure, cement slurry can be infiltrated into a coarse-grained soil and forms a cement infiltrated zone. This zone may serve as a part of structural element when the strength of this zone increases significantly. However, it is not easy to apply this effect in engineering practice due to many uncertainties associated with the infiltration mechanism and lack of researches on this topic. In this paper, the theories related to cement infiltration mechanisms are presented, and an experimental equation which predicts the cement infiltration depth is derived from the existing theories. Further, a prototype laboratory apparatus is devised to simulate the cement infiltration, and an experimental design was performed using the variables selected for the study. With the laboratory data, a statistical analysis was performed to identify the significant factors affecting the cement infiltration, and a regression model was derived to predict the infiltration depth. The study suggests that cement infiltration occur in coarse-grained soil; the infiltration depth can be predicted; and the infiltrated zone may be considered as a structural element.
Prediction of cement infiltration depth in coarse-grained soil
Abstract During construction of underground structure, cement slurry can be infiltrated into a coarse-grained soil and forms a cement infiltrated zone. This zone may serve as a part of structural element when the strength of this zone increases significantly. However, it is not easy to apply this effect in engineering practice due to many uncertainties associated with the infiltration mechanism and lack of researches on this topic. In this paper, the theories related to cement infiltration mechanisms are presented, and an experimental equation which predicts the cement infiltration depth is derived from the existing theories. Further, a prototype laboratory apparatus is devised to simulate the cement infiltration, and an experimental design was performed using the variables selected for the study. With the laboratory data, a statistical analysis was performed to identify the significant factors affecting the cement infiltration, and a regression model was derived to predict the infiltration depth. The study suggests that cement infiltration occur in coarse-grained soil; the infiltration depth can be predicted; and the infiltrated zone may be considered as a structural element.
Prediction of cement infiltration depth in coarse-grained soil
Park, Hyung-Keun (author) / Chang, Young Cheol (author)
KSCE Journal of Civil Engineering ; 17 ; 886-894
2013-06-28
9 pages
Article (Journal)
Electronic Resource
English
Prediction of cement infiltration depth in coarse-grained soil
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