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Seepage damage is widely present in engineering construction such as embankments, foundation pits, and tunnels. It can directly lead to structural failure, casualties, and property losses. Therefore, it is urgent to reveal the mechanism of rock and soil seepage damage, and propose safe and effective engineering prevention and control measures. The mechanism of seepage failure in soil -flow and piping was analyzed and explained. It is believed that the occurrence of seepage failure depends on the physical and geometric properties of the rock and soil itself and the strength of external hydraulic factors. When the seepage force is greater than the effective gravity of soil particles, soil-flow failure occurs, and piping failure occurs when a through channel is formed inside the rock and soil. The prevention and control principles of rock and soil seepage damage disasters such as seepage, compaction, and splitting grouting were elaborated, and a discussions was conducted on composite and ultra-fine cement, geopolymer, high polymer, microbial liquid and other grouting prevention and control materials, aiming to provide technical support for the prevention and control of rock and soil engineering diseases. [ABSTRACT FROM AUTHOR]

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Copyright of Coal Science & Technology (0253-2336) is the property of Coal Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)