Tunnel Lining
Civil Engineering · Last updated: July 30, 2026 · How this entry was written
Definition: The permanent internal structure installed in a tunnel to support the excavated ground, control groundwater inflow, and provide a smooth finished surface. It can be made of cast-in-place concrete, precast concrete segments, or steel ribs with shotcrete.
Example in context
“The contractor installed a precast concrete tunnel lining with gaskets to ensure watertightness in the subaqueous section.”
“Müteahhit, su altı bölümünde su geçirmezliği sağlamak için contalı prefabrik beton tünel kaplaması döşedi.”
Where engineers use it
Tunnel lining is essential for structural support and water control. Engineers select lining type based on ground conditions, tunnel size, and groundwater pressure. It is also the base for installing services like lighting and ventilation.
Synonyms: tunnel shell, tunnel cladding
Practice: can you use “Tunnel Lining” at work?
You are inspecting a tunnel lining after a water ingress issue. Describe which defects you would look for and how they affect durability.
Show a model answer
“A properly designed tunnel lining resists both earth and water pressure.”
“Tunnel Lining” in 21 languages
| English | Tunnel Lining |
|---|---|
| Turkish | tünel kaplaması |
| French | revêtement de tunnel |
| German | Tunnelauskleidung |
| Spanish | revestimiento de túnel |
| Chinese | 隧道衬砌 |
| Arabic | تبطين النفق |
| Portuguese | revestimento de túnel |
| Russian | обделка тоннеля |
| Japanese | トンネル覆工 |
| Italian | rivestimento di galleria |
| Vietnamese | lớp lót hầm |
| Hindi | टनल लाइनिंग |
| Thai | ซับในอุโมงค์ |
| Indonesian | lapisan terowongan |
| Korean | 터널 라이닝 |
| Bengali | টানেল লাইনিং |
| Dutch | tunnelbekleding |
| Swedish | tunnelfodring |
| Finnish | tunnelivuoraus |
| Ukrainian | обробка тунелю |
Frequently asked questions
What does Tunnel Lining mean in engineering?
The permanent internal structure installed in a tunnel to support the excavated ground, control groundwater inflow, and provide a smooth finished surface. It can be made of cast-in-place concrete, precast concrete segments, or steel ribs with shotcrete. In Civil Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce Tunnel Lining?
Tunnel Lining is pronounced /ˈtʌnəl ˈlaɪnɪŋ/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is Tunnel Lining used in a sentence?
Example from an engineering context: “The contractor installed a precast concrete tunnel lining with gaskets to ensure watertightness in the subaqueous section.”
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