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Abstract
A method of predicting ground deformation caused by shield constructing was proposed with support vector machine. With Matlab language, a predicting model of ground deformation caused by shield constructing based on SVM was designed, 11parameters (soil internal friction angle, cohesive force, buried depth, excavate speed, total thrust, average support pressure of the front two ring pressure tank, average support pressure of the front one ring pressure tank, average soil pressure of pressure tank, shield cutterhead total torque, synchronous grouting quantity, unearthed amount) were chosen for ground deformation influence factors, then an intelligent predicting model of ground deformation caused by shield constructing was built, and the forecast model was used for surface settlement prediction in shield tunneling of Shenzhen metro.
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