A Theoretical Calculation Method of Influence Radius of Settlement Based on the Slices Method in Tunnel Construction

Table 1

Calculation of width parameters of surface settlement trough.

Document source	Applicable conditions	Settlement trough width (i) calculation formula	In accordance with
Peck [6]	Various types of soil	, (n = 0.8∼1.0)	Measured statistics
Attewell [7]	British clay		Measured and model tested
Han et al. [29]	Cohesive soil, soft clay, and hard clay in the London area		Measured statistics
Atkinson and Potts [37]	Loose sand		Measured and model tested
	Compact superconsolidated clay
Lee et al. [38]	Clay		Centrifuge test
O’Reilly [39]	Clay soil		Measured data
	Granular soil
Clough and Schmitdt [40]	British clay		Measured statistics