ANALYSIS OF TUNNELLING EFFECTS ON LATERAL BEHAVIOR OF UNDERGROUND BUILDING

Civil Engineering

In recent eras, the demand for underground space, to use as underground parking, railway tunnels/stations, road tunnels, redevelopment of buildings, etc., has increased in several congested areas. Deep excavations are required for underground construction. In most cases, excavation sites are very close to existing structures/facilities and problems related to deep excavations and their effects on surrounding structure are increasing. In practical scenario, to manage heavy loads of multi storied building the provision of pile foundation becomes necessary. But in future, this pile foundation, being at large depths, may get affected by newly built tunnel passing close to it, so to predict effect of such tunnel on pile foundation becomes necessary. This project mainly deals with analysis of such pile foundation under the influence of tunnel with the use of finite element analysis software PLAXIS 3D.

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