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MODERN TUNNELLING TECHNOLOGY 2012, Vol. 49 Issue (3) :193-197    DOI:
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Force Analysis of the Disc Cutter on a TBM
School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013
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Abstract Studying the force of disc cutters in the process of breaking rock can optimize the design and improve the life span of disc cutters. The finite element model of a disc cutter in the process of breaking rock was created by ABAQUS, and the model was dynamically simulated and analyzed. The results show that hydraulic jacks of a full face rock tunnel machine need to constantly increase pressure in order to maintain the excavation speed and the results that verify that the maximum instantaneous contact force is 2~3 times larger than the average contact force. Also, it was determined that ABAQUS can simulate the phenomenon of the ballast splashed out of the rock.
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Abstract： Studying the force of disc cutters in the process of breaking rock can optimize the design and improve the life span of disc cutters. The finite element model of a disc cutter in the process of breaking rock was created by ABAQUS, and the model was dynamically simulated and analyzed. The results show that hydraulic jacks of a full face rock tunnel machine need to constantly increase pressure in order to maintain the excavation speed and the results that verify that the maximum instantaneous contact force is 2~3 times larger than the average contact force. Also, it was determined that ABAQUS can simulate the phenomenon of the ballast splashed out of the rock.
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.Force Analysis of the Disc Cutter on a TBM[J]  MODERN TUNNELLING TECHNOLOGY, 2012,V49(3): 193-197
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