Research Article

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

Table 5

Vertical displacements on the centre line due to varying building eccentricities.

gf* m m m m m

2 storey−10.37−9.72−9.52−9.53−9.57−9.6
4 storey−10.37−9.27−9.35−9.45−9.50−9.58
8 storey−10.37−8.61−9.07−9.39−9.48−9.52

gf: under Greenfield condition; : eccentricity.