隧道位置的选择 -题库考试答案搜索网

隧道位置的选择

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2022-04-20 06:22

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（1）埋藏较浅时，线路宜向内移，以免隧道偏压过大。
（2）应避开岩堆、滑坡等不良地质以及河岸冲刷、水库坍塌范围。
（3）可结合当地的地形、地质情况和工程大小，进行截弯取直的长隧道方案和沿河绕行方案的比较。
（4）地形曲折、地质复杂时，河谷线常出现隧道群，在决定线路平面位置与高程时，要充分注意隧道施工期间的弃渣、排水和便道运输之间的相互干扰，并尽量减少对现有水利、道路等设施的影响。

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标签：大学试题工学

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