Pressure control model on soil chamber of shield machine and its parameter identification
The pressure control model on soil chamber of shield machine was proposed based on nonlinear constitutive relationship between stress and strain of conditioned soil in soil chamber of shield machine.The parameter identification procedure of pressure control model was presented according
to in-situ observed pressure on soil chamberrotating speed of screw conveyor and thrusting speed of shield machine.The practical application of proposed procedure shows that proposed pressure control model and parameter identification procedure are very effectiveand forecasted pressure on
soil chamber agrees well with observed ones.
Keywords: control model; genetic algorithm; parameter identification; pressure on soil chamber; shield machine
Document Type: Research Article
Publication date: 15 February 2012
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