Research Article

Study of Surface Displacements on Tunnelling under Buildings Using 3DEC Numerical Modelling

Table 8

Horizontal displacements at the −3.1 m (10 m depth) from centre line due to varying building eccentricities.

gf* m m m m m

2 storey1.792.32.172.081.971.9
4 storey1.792.192.072.011.951.75
8 storey1.792.081.921.551.061.02

gf: under Greenfield condition; : eccentricity.