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首页> 外文会议>International Symposium on Modern Tunneling Science and Technology (IS-Kyoto 2001), Oct 30-Nov 1, 2001, Kyoto, Japan >Tunnel lining with an arching structure constructed by soilbags
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Tunnel lining with an arching structure constructed by soilbags

机译：带有土袋构造的拱形结构的隧道衬砌

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摘要

An arching structure supports the applied loads basically through its axially compressive forces, while soilbags have high strengths when they are compressed. In this paper, the possibility of constructing arching structures by using soilbags is investigated. It is investigated by performing 2D model tests on an aluminum rod mass under which an arching structure of paper-wrapped soilbags is located, constructing an arching structure of about 2m in inner width and 1.73m in inner height with connected soilbags that are made, of polyethylene bag and sand and constructing an arching structure of 5m in inner width and 4.33m in inner height with special soilbags that are made of geotextile bag and crushed stone. Through these investigations, it is confident that it's possible to construct arching structures with soilbags instead of stones or concrete and so on in real practices. This arching structure is intended to function as a tunnel lining when constructing a tunnel on a ground and then building a high embankment above the tunnel.
机译：拱形结构基本上通过其轴向压力来支撑所施加的载荷，而土袋被压缩时具有较高的强度。本文研究了使用土袋建造拱形结构的可能性。通过对铝棒质量进行2D模型测试来进行研究，在铝质棒上放置纸质土袋的拱形结构，并用连接的土袋构造出内部宽度约2m，内部高度约1.73m的拱形结构。聚乙烯袋和沙子，并用土工布袋和碎石制成的特殊土袋构造内部宽度为5m，内部高度为4.33m的拱形结构。通过这些调查，有信心在实际实践中可以用土袋代替石头或混凝土等来建造拱形结构。当在地面上建造隧道，然后在隧道上方建造高路堤时，该拱形结构旨在用作隧道衬砌。

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