Playback method for tunnel boring machine (TBM) roadway forming process

• Main Authors: FU XIN, PU ZHIQIANG, ZHANG JINKUI, XIE ZHONGHUI, ZHANG CHENGXIANG, ZHU HAO, CUI GUOGANG
• Format: Patent
• Language: Chinese; English
• Published: 22.12.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS

The invention relates to the field of tunneling, and discloses a TBM roadway forming process playback method, which comprises the following steps: obtaining playback start time and playback end time, determining a roadway playback start time model based on the historical position of a shield tunneling machine cutterhead, determining a roadway playback end time model based on the position of the shield tunneling machine cutterhead at the playback end time, and determining the tunnel playback end time model based on the position of the shield tunneling machine cutterhead at the playback end time. The method comprises the following steps: determining a propelling surface in a roadway propelling process according to cutter disc rock debris of a shield tunneling machine, determining pressure of a signal acquisition point according to pressure of a support shoe part, a support part and sensors in a roadway of the shield tunneling machine, determining pressure distribution in the roadway according to the pressure of