Table 3.

Mobilisation index, χ, and influence factor (IF) metrics computed using the 3D finite-element results for cases A, B, C and D

χsd: %χult: %IFsd: %IFult: %
A110·426·611·3168·7
A214·125·55·2−5·6
A39·921·814·540·4
A413·738·82·042·0
B1UN6·116·4−3·3−14·2
B1UK25·648·8−13·8−42·3
B1BK4·222·5−2·2−19·5
B2UN8·011·611·721·6
B2UK29·532·843·460·9
B2BK5·212·07·622·3
B3UN9·27·310·146·2
B3UK31·823·834·7150·6
B3BK5·89·16·358·0
C1E2·86·73·142·4
C1T1·61·91·712·0
C1B0·31·70·411·0
C2E5·710·32·1−2·3
C2T3·6−5·91·31·3
C2B1·5−5·80·61·3
C3E2·76·34·011·6
C3T1·62·62·34·8
C3B0·30·70·51·3
DN11·913·713·086·5
DK34·337·837·3239·6

For case A the upper soil is designated as ‘matrix’ and the lower soil as ‘layer’. Subscript ‘sd’ signifies small displacement and ‘ult’ signifies ultimate displacement.

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