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Erschienen in: Rock Mechanics and Rock Engineering 8/2023

22.05.2023 | Original Paper

A Novel Grouting Simulation Method Considering Diffusion and Loss of Slurry in Flowing Water: Interphase Miscible-Transport Time-Tracking (IM-3T) Method

verfasst von: Zhenhao Xu, Yichi Zhang, Dongdong Pan, Zehua Bu

Erschienen in: Rock Mechanics and Rock Engineering | Ausgabe 8/2023

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Abstract

Grouting is a complex process involving interactions of slurry and water phase. The viscosity of slurry is of spatiotemporal variation and significant loss of slurry was observed in grouting processes. These phenomena are difficult to address in numerical models. Therefore, a numerical method of grouting considering the loss of slurry is developed in this work. Firstly, by solving the transport time of slurry, the spatiotemporal evolution of slurry viscosity is implemented. Secondly, by assuming that the water phase and slurry phase is miscible, a diffusion term is added to the transport equation of the slurry volume fraction and the dispersed phase interface of slurry and water is realized. In addition, the simulation result of the new method is compared with our precious experiment data. We show that better agreement is obtained in the variation of grouting pressure, flow rate and slurry loss rate. The effectiveness of the method is verified. Finally, the applicability of our method in engineering scale is verified at engineering scales. The results show that this method could address the interphase miscibility of slurry and water in grouting processes, and it can provide a certain theoretical reference for grouting practice in engineering.

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Literatur
Zurück zum Zitat Whitaker S (1999) The method of volume averaging. Springer, Netherlands, DordrechtCrossRef Whitaker S (1999) The method of volume averaging. Springer, Netherlands, DordrechtCrossRef
Metadaten
Titel
A Novel Grouting Simulation Method Considering Diffusion and Loss of Slurry in Flowing Water: Interphase Miscible-Transport Time-Tracking (IM-3T) Method
verfasst von
Zhenhao Xu
Yichi Zhang
Dongdong Pan
Zehua Bu
Publikationsdatum
22.05.2023
Verlag
Springer Vienna
Erschienen in
Rock Mechanics and Rock Engineering / Ausgabe 8/2023
Print ISSN: 0723-2632
Elektronische ISSN: 1434-453X
DOI
https://doi.org/10.1007/s00603-023-03347-7

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