Volume 39 Issue 6
Dec.  2025
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Article Navigation >  GEOTECHNICAL ENGINEERING TECHNIQUE  > 2025  >  39(6): 889-897
Ma Xuejun, Yu Hang, Wang Tao, Chen Lei, Lan Penghui. Load variation characteristics of cutterhead load during shield disc cutter cutting a reinforced concrete diaphragm wall[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(6): 889-897. doi: 10.20265/j.cnki.issn.1007-2993.2024-0195
Citation: Ma Xuejun, Yu Hang, Wang Tao, Chen Lei, Lan Penghui. Load variation characteristics of cutterhead load during shield disc cutter cutting a reinforced concrete diaphragm wall[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(6): 889-897. doi: 10.20265/j.cnki.issn.1007-2993.2024-0195
shu

Load variation characteristics of cutterhead load during shield disc cutter cutting a reinforced concrete diaphragm wall

doi: 10.20265/j.cnki.issn.1007-2993.2024-0195
  • 1.

    Urban Rail Traffic Engineering Branch of China Railway No.10 Engineering Group, Guangzhou 510000, Guangdong, China

  • 2.

    School of Rail Transportation, Soochow University, Suzhou 215131, Jiangsu, China

  • Received Date: 2024-05-08
  • Accepted Date: 2024-10-29
  • Rev Recd Date: 2024-09-06
    • Available Online: 2025-12-08
  • Publish Date: 2025-12-08
    Abstract
  • Based on the shield tunneling through the reinforced concrete diaphragm wall at the Times Square Station of Suzhou Rail Transit Line 8, numerical simulation and theoretical analysis were carried out to investigate the cutter and cutterhead load of the disc cutter cutting the reinforced concrete diaphragm wall and the characteristics of the shield thrust and torque based on the actual engineering systems. The study revealed that the crushing form of the disc cutter on the reinforced concrete is a jumping type, and the cutting force curve can be divided into four stages. The thrust and torque of the shield cutter mainly depend on the driving speed after cutting the reinforced concrete diaphragm wall, and are proportional to the contact area with the reinforced concrete. During the cutting process, the thrust and torque will fluctuate greatly when the driving speed fluctuates significantly. By developing a cutter load calculation program, the theoretical values and variation patterns of the cutter thrust and torque were obtained, which are consistent with the change in the number of rolling cutters cutting the reinforced concrete diaphragm wall.

     

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