Abstract
Tunnel is complex and risky construction. When excavation of tunnel take place, the original ground equilibrium will affected thus lead to the stress redistribution and ground movement. Tunnel construction in the urban city is in concerned as tunnel will passes under a lot of existing building. Therefore, in this study, a series of simulation of tunnel construction with and without external building was conducted. Numerical model by means ABAQUS Software was conducted based on tunnel-soil-load model was developed. From the result, it can be concluded that soil stress redistributed when excavation of soil occurs especially near to the tunnel periphery. The ground settlement trough depicts a significant maximum settlement for the model with high external load and producing flat u-shape in the middle of settlement trough pattern.
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