single track tunnel 中文意思是什麼
single track tunnel
解釋
單線隧道-
Construction technique for single track railway tunnel in saturated loess area
飽和性黃土質單線鐵路隧道施工技術 -
In this article, according to the execution example on arch ring lining crack defect at some certain single - track railway mountain tunnel, a brief introduction is given to the cause of formation, disposal technique and construction points for attention on this kind of defect
摘要根據某鐵路山嶺單線隧道拱圈襯砌裂縫病害整治施工實例，簡單介紹了病害成因、整治技術及施工注意事項。 -
The standard drawing of composite tunnel lining for single - track railway tunnel is improved, and the concept of full - circular monolithic lining and some kinds of primary scheme have been given. the design schemes are proposed after studying the stability of surrounding rock, comparing technique economy and analyzing all kinds of primary schemes
本文針對單線電化鐵路隧道復合式襯砌標準圖存在的問題進行了結構優化設計研究，提出了全環整體模築襯砌的概念和若干種方案，並對其進行圍巖穩定性分析、技術經濟比較和綜合受力分析，在此基礎上提出了建議採用的設計方案。 -
According to the rule of optimized design, structure shape of single - track railway tunnel is designed, then 7 kinds of schemes are brought forward
在滿足優化設計原則的條件下進行了單線鐵路隧道斷面形式結構優化設計，提出了7種備選方案。 -
The change of energy in wall rock is tracked in the whole process and the amount of energy transferred to linings is also evaluated. 5 ) based on the principal of energy invariance and the energy properties of sfrc, a practical design equation that related the thickness of projecting sfrc to the energy related properties of tunnel is given in the end. this equation is then used to design a single - track railway tunnel in iii grade rock condition
並進一步推導了不同形式的構件間的能量耗散關系，為將標準試驗的能量統計結果運用於實際結構中打下了基礎； 4 ）利用有限元軟體對隧道開挖過程進行了三維模擬，得到了隧道圍巖在開挖掘進過程中的能量轉化趨勢和規律，得到了鋼纖維噴射混凝土襯砌在支護過程中的能量變化； 5 ）利用能量守恆原理和已經推導出的構件能量耗散關系，建立了鋼纖維噴射混凝土襯砌厚度與圍巖開挖能量變化間的關系，並運用此方法對級圍巖條件中的鐵路單線隧道的鋼纖維噴射混凝土襯砌進行了設計計算； -
Qinling mountains tunnel is our country ' s longest single track railway tunnel at present, in first of similar specialty tunnel of asia, occupying front row too in the specialty tunnel of the world, it is the milestone of the railway tunnel of our country
秦嶺隧道是我國目前最長的單線鐵路隧道，為亞洲同類山嶺特長隧道之首，在世界特長隧道中也居於前列，是我國鐵道隧道建設史上的里程碑。 -
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、單側壁導坑法和雙側壁導坑法在隧道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、雙線和三線隧道的洞口段處于淺埋、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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