A structural component of a Tunnel Boring Machine that protects the rear section and supports tunnel lining installation.
The Tail Shield is a cylindrical steel structure located at the rear of a Tunnel Boring Machine (TBM) that serves multiple critical functions: it provides structural protection for the machine's rear components, maintains tunnel stability during excavation, creates a controlled environment for segment installation, and houses essential systems like grout injection and segment erectors. It typically consists of a shield skin, articulation system, and sealing elements.
诱因 → 失效模式 → 工程缓解
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The primary function is to protect the rear of the TBM, maintain tunnel stability during excavation, and provide a controlled environment for installing precast concrete tunnel lining segments.
It maintains continuous pressure against the tunnel walls and uses sealing systems to create a stable chamber, while grout injection fills voids between segments and ground to prevent settlement.
Regular inspection of steel structure integrity, seal replacement, hydraulic system maintenance, and wear plate monitoring, typically during scheduled TBM maintenance shifts.
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CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。
说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。