On the Loads for Strength Design of Cutterhead of Full Face Rock Tunnel Boring Machine

• 作 者: Meidong Han Zongxi Cai Chuanyo
• 机 构: SchoolofAircraftEngineering,SchoolofMechanicalEngineering
• 出 处: 中国机械工程学报:英文版
• 发表日期: 2019年6期
• 关键词: TBM cutterhead STRENGTH design NUMERICAL simulation Three-parameter model RANDOM
• 基金项目: National Basic Research Program of China(973 Program,Grant No.2013CB035042),the National Natural Science Foundation of China(Grant No.11672202).

Cutterhead loads are the key mechanical parameters for the strength design of the full face hard rock tunnel boring machine(TBM).Due to the brittle rock-breaking mechanism,the excavation loads acting on cutters fluctuate strongly and show some randomness.