Study on the mechanism and treatment measures of tunnel mud outburst induced by water leakage of pipelines

In order to study the mechanism and treatment measures of urban pipeline leakage inducing mud outburst in tunnels, basing on the case of tunnel mud outburst accidents, this paper analyze the mechanism of urban pipeline leakage inducing mud outburst in tunnels, and propose reasonable surrounding rock reinforcement technology and auxiliary construction method. The results show that the synergistic effect of clay properties and pipeline leakage has the most significant impact on this tunnel mud outburst, while the impact of support measures and auxiliary construction methods on this tunnel mud outburst is manifested by lack of human vigilance.Based on the analysis of the mechanism of urban underground pipeline leakage inducing mud bursting in the tunnel, comprehensive treatment measures inside and outside the tunnel are adopted to effectively reduce the moisture content of the surrounding rock of the tunnel, improve the mechanical characteristics of the surrounding rock of the tunnel, and effectively guarantee the tunnel’s subsequent excavation.

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