Abstract
Many cities in SE Asia are founded on soft deltaic soil and have faced land subsidence due to groundwater extraction, which can cause a number of problems to sustainable development of their infrastructure such as damages to the buildings, roads, highways, aggravated flooding, increase in the construction cost etc. Groundwater and settlement monitoring is needed to assess the subsidence situation of the concerned cities. However, the monitoring cannot follow promptly and cover enough the continuously expanding urban areas. But when monitoring cannot the numerical analyses can help. To highlight the useful role of numerical analysis in assessing land subsidence two case studies from two major cities in the SE Asia, Hanoi and Bangkok, are presented. For Hanoi, land subsidence along an urban mass rapid transit line is predicted using an one-dimensional FEM consolidation model. For Bangkok, after a long period from 1950 to 1997 of increasing extraction the groundwater levels have started to recover in all pumped aquifers since 1997, 3D groundwater modelling and coupled consolidation analysis were successfully conducted to help understand better on groundwater recovery and its effects on stability of substructure.
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Giao, P.H., Saowiang, K., Anh, N.T.H. (2021). The Role of Groundwater and Land Subsidence Analysis for Sustainable Development of Infrastructure in Some SE Asian Cities. In: Rotaru, A. (eds) Critical Thinking in the Sustainable Rehabilitation and Risk Management of the Built Environment. CRIT-RE-BUILT 2019. Springer Series in Geomechanics and Geoengineering. Springer, Cham. https://doi.org/10.1007/978-3-030-61118-7_7
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DOI: https://doi.org/10.1007/978-3-030-61118-7_7
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