Mindlin solution on ground deformation caused by the trench excavation during installation of concrete diaphragm wall panels.Concrete diaphragm walls (CDWs) are widely used as support of deep excavation in soft ground in urban areas.  This paper investigates the ground deformation during slurry trenching using Mindlin solution.  The pressure of slurry used to protect the trench stability during excavation is simulated as a triangularly distributed load on the trench walls, the soil stress state is solved using Mindlin solution, and the horizontal and vertical ground displacement are obtained through integral transformation of ground strain.  The study finds that the Mindlin solution is able to provide an approximate solution on the ground deformation during slurry trenching, and the simplified formulation can be used to provide a fast estimate of the horizontal ground movement in engineering practice.
Mindlin solution