translate English to French: Approximately half of the recorded maximum surface settlement of 6.1 mm is both measured and calculated to have taken place during passage of the shield, the remainder being attributed to post-shield deformations.
Environ 50% du tassement maximum de surface de 6.1 mm observé a été calculé et observé comme se produisant lors du passage du bouclier, le reste étant attribué à des déformations subséquentes à ce passage.