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Abstract

The volume of karst caves is difficult to be determined in practice because of their scattered distribution and different shapes. To address this issue, fractal theory was used to find the fractal law of karst cave development along the tunnel. The fractal dimension of karst cave distribution was obtained according to the data of the geological survey report, and the volume of karst caves was calculated by using fractal parameters. Then, the proportional coefficient between the grouting quantity and the volume of the karst cave was obtained according to the grouting quantity of the karst cave on site, that is, the grouting quantity coefficient of the karst cave. Then, the grouting quantity of the whole area along the tunnel was calculated according to the volume of the karst cave and the grouting quantity coefficient of the karst cave. Based on the above research, a theoretical method and correction coefficient for estimating the grouting quantity of karst caves along the tunnel was proposed by using the data of the geological survey report.

Publication Date

1-18-2024

DOI

10.14048/j.issn.1671-2579.2022.06.030

First Page

162

Last Page

167

Submission Date

May 2025

Reference

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