(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Figure 9: (a) Pipeline displacements on excavating process. (b) Pipeline displacements with different soil properties around the pipeline. (c) Pipeline displacements with different distances away from pit. (d) Pipeline displacements with different pipeline burial depths. (e) Pipeline displacements with different pipeline properties. (f) Pipeline displacements with different pipeline outer diameters. (g) Pipeline displacements with different pipeline thicknesses. (h) Pipeline displacements with the coexistence of multipipeline.