隧道導坑 的英文怎麼說

中文拼音 [suìdàodǎokēng]
隧道導坑 英文
heading pilot tunnel
  • : Ⅰ名詞1. (隧道; 地道) tunnel; underground pass2. [書面語] (道路) road3. (郊外的地方) suburbsⅡ動詞[書面語] (旋轉) turn
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • 隧道 : tunnel; tunneling; tunnelling; chunnel; drive
  1. Combining the study characteristic and the current construction method of the bi - arch tunnel in domastic and aboard, the paper deeply study the three heading construction method and the benching tunneling construction method

    結合目前國內外對雙連拱的研究特點以及國內外對雙連拱施工方法的現狀,本文針對三法和上下臺階法進行了較為深入的研究工作。
  2. The paper introduces the progress and the statue quo of tunnel portal construction, discusses the condition to employ full face method, bench cut method, single side heading method and double sides heading method of portal construction, points out advantages and disadvantages of these methods. the order to adopt these methods of single track, double track and tri - track tunnel in shallow - depth, uneven pressure and incompact ground is also advised after compare

    討論了全斷面法、臺階法、單側壁法和雙側壁法在洞口段施工中的使用條件和優缺點,對這四種施工方法從各個方面進行了比選,提出了單線、雙線和三線的洞口段處于淺埋、偏壓、鬆散的地層中時各種施工方法選擇的先後順序。
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