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بطانة
| Глоссарий по проходческим щитам (тоннелингу) |
عنصر انهاء الطبقة الخارجية للجدار الجانبي لنفق (بما في ذلك الألواح المسبقة الصنع والمطلية).
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Lining, английский
- The process of establishing the track to the design vertical and horizontal alignment for tangents and curves.
- The covering of internal walls and ceilings of a building. timber linings include sawn and profiled solid timber, plywood, medium density fibre and other materials.
- Облицовка; гильза; вкладыш
- A substance or tissue on the inside of an organ the thick lining of the aorta
- A replaceable tubular sleeve inside a hydraulic or pump pressure cylinder in which the piston travels. lip. the cutting edge of a fixed wing bit, such as the cutting edge on a fishtail bit.
- Materials used to finish the inside surface of the tunnel. the initial supports and preliminary liner are placed as the tunnel is being excavated. these help stabilize the interior surface. shotcrete may be sprayed on as a preliminary liner. later, additional coatings may be applied or other types may be used such as prefabricated steel or concrete panels, rock bolting, steel ribs and wood lagging, or masonry. waterproofing liners are also used.
- Element finishing off the side wall of a tunnel (including prefabricated and painted panels).
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تهوية طولية, арабский
مبدأ تهوية يعتمد على توليد تدفق هواء طولي في نفق، إما لتخفيف الملوثات أو لدفع الدخان في اتجاه واحد.
2 - ضابط في نظام سلسلة الانقاذ مسؤول عن الاتصا, арабский
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