Flexible Temporary Shield in Soft and Sensitive Clay: 3D FE Modelling of Experimental Field Test

Table 7

Calculation of modulus reduction factor and corresponding elastic modulus () and shear modulus ().

Depth	Relative shear stress from PLAXIS-3D results		Value of modulus reduction ( or ) factor	(kPa)	(kPa)
	Phase 2	Phase 4	From Mayne [21] curve (Thanet undrained clay)
0	0	0	0	0	0
0.6	0.4	0.4	0.205	5,125	3,280
1	0.6	0.6	0.11	3,740	1,980
2	0.53	0.55	0.12	2,720	1,800
3	0.754	0.885	0.1	2,750	1,600
4	0.684	0.969	0.08	2,413	1,320
5	0.694	0.734	0.105	3,465	2,205
6	0.635	0.968	0.65	2,773	1,440
7	0.712	0.959	0.08	2,800	1,440
8	0.1	0.1	0.65	25,783	14,950
9	0.04	0.053	0.75	31,500	19,500
10	0.05	0.067	0.78	33,540	21,060
11	0.02	0.02	0.9	34,400	21,600
12	0.011	0.011	0.9	40,800	24,300
13	0.01	0.01	0.9	43,200	24,300
14	0.004	0.004	0.105	39,600	24,300