Injectability analysis of seawater-mixed magnesium phosphate cement slurry applied to a sand layer

Zhang, Mi; Zhang, Qingsong; Pei, Yan; Zhang, Huasheng; Chen, Zhitong; Li, Yining; Wang, Kai; Zhang, Lianzhen; You, Cuihong; Skoczylas, Frédéric

doi:10.1016/j.conbuildmat.2022.129538

Cited by 13 publications

(1 citation statement)

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“…For example, Wang et al 34 studied the impact of seawater intrusion on the rheological properties of Na-bentonite slurry and found that seawater seriously deteriorated the stability and rheology of slurry. Zhang et al 35 studied the performance of seawater-mixed magnesium phosphate cement (MPC) and concluded that the slurry had higher viscosity and longer setting time than which mixed with fresh water. However, the effect of seawater intrusion on the rheological properties of SC-S slurry requires further investigation.…”

Section: Introductionmentioning

confidence: 99%

Experimental study on the rheological behavior of superfine cement–sodium silicate slurry under seawater intrusion

Shao,

Zhu,

Gong

et al. 2024

Physics of Fluids

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Grouting is the effective method to prevent water inrush and reinforce fractured surrounding rocks in the construction of the submarine tunnel. The seawater intrusion will lead to obvious changes in the rheological properties of slurries, which can be adverse for the diffusion properties of slurries. This study aimed to identify the impact of seawater intrusion on the constitutive relationship of superfine cement–sodium silicate slurry (SC-S slurry). The chemical gelling time, viscosity, and rheological model of the slurry were studied. The concentrations of seawater ranged from 0% to 100%. The water–cement ratio ranged from 0.6 to 2.0. This study revealed that seawater significantly shortened the chemical gelling time of the slurry. The effect was more pronounced as the concentration of seawater increases. Furthermore, it was observed the rheological model of SC-S slurry will change from Bingham model to Herschel–Bulkley model with the increase in concentration of seawater. Rheological parameters that vary with time were also studied. The rheological constitutive models of slurry under seawater intrusion were established.

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Section: Introductionmentioning

confidence: 99%