Abstract
Drilling a borehole in saturated geotechnical materials often results in the excavation disturbed zone constituted by the original porous matrix and the fractures. In order to study the hydro-mechanical behaviors of such double-porosity medium, the analytical solution to the hollow cylinder subject to axisymmetric load is derived with Laplace transform. Emphases have been placed on the inter-porosity behaviors in terms of transport coefficient between the matrix and fractures and the results show a higher value of transport coefficient will accelerate the dissipation in the matrix while increase the pore pressure significantly in the fractures due to the fluid from the matrix.
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Song, Z., Xiang, Y. (2018). Inter-porosity Exchange in Saturated Double-Porosity Hollow Cylinder Subject to Axisymmetric Load. In: Hu, L., Gu, X., Tao, J., Zhou, A. (eds) Proceedings of GeoShanghai 2018 International Conference: Multi-physics Processes in Soil Mechanics and Advances in Geotechnical Testing. GSIC 2018. Springer, Singapore. https://doi.org/10.1007/978-981-13-0095-0_25
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DOI: https://doi.org/10.1007/978-981-13-0095-0_25
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