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The Comprehensive Treatment of the Ancient Landslide Deformable Body in the Giant Deep Rock Bedding based on the FLAC Analysis Model
El tratamiento integral del antiguo cuerpo deformable por deslizamiento de tierra en el lecho de roca profunda gigante basado en el modelo de análisis FLAC
DOI:
https://doi.org/10.15446/esrj.v23n4.84008Keywords:
FLAC, Neural Network, Landslide, Deformable Body, Jm Tunnel (en)FLAC, Red neuronal, Deslizamiento de tierra, Cuerpo deformable, Túnel JM (es)
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In previous studies, most of the studies are based on the failure mechanism of the landslide deformable body on tunnel and the safety monitoring and early warning after the completion of the tunnel, while there is less research on tunnel construction. In order to study the comprehensive treatment of the deformable body of the ancient landslide in the giant deep rock bedding better, the treatment of JM tunnel landslide deformable body was selected to carry on the empirical study. After a detailed analysis of the geological characteristics of JM tunnel engineering landslide, the stability analysis of the landslide and the deformation body and the calculation of the thrust value based on the FLAC model were carried out on the basis of the monitoring data. After the construction of the model, the intensity parameters of the slip mass deformation and the sliding zone were obtained from the back analysis. On the basis of the above, the comprehensive treatment scheme for the rear side of the old landslide deformation body was determined, including earthwork cleanup, grading supporting, and the back pressure by abandoning the cleaned earthwork at the leading edge. The study is of great significance to the design of the construction of undercrossing tunnel of landslide under the complicated geological conditions.
En estudios anteriores, la mayoría se basa en el mecanismo de falla del cuerpo deformable por deslizamiento de tierra en el túnel y el monitoreo de seguridad y alerta temprana después de la finalización del túnel, mientras que hay menos investigación sobre la construcción del túnel. Para estudiar mejor el tratamiento integral del cuerpo deformable del antiguo deslizamiento de tierra en el lecho de roca profunda gigante, se seleccionó el tratamiento del cuerpo deformable de deslizamiento de túnel del túnel JM para llevar a cabo el estudio empírico. Después de un análisis detallado de las características geológicas del deslizamiento de tierra de ingeniería de túneles JM, el análisis de estabilidad del deslizamiento de tierra y el cuerpo de deformación y el cálculo del valor de empuje basado en el modelo FLAC se llevaron a cabo sobre la base de los datos de monitoreo. Después de la construcción del modelo, los parámetros de intensidad de la deformación de la masa de deslizamiento y la zona de deslizamiento se obtuvieron del análisis posterior. Sobre la base de lo anterior, se determinó el esquema de tratamiento integral para la parte posterior del antiguo cuerpo de deformación por deslizamiento de tierra, incluida la limpieza del movimiento de tierras, el soporte de nivelación y la contrapresión al abandonar el movimiento de tierra limpio en el borde de ataque. El estudio es de gran importancia para el diseño de la construcción del túnel de deslizamiento de tierra bajo condiciones geológicas complicadas.
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