immersed tunnel 中文意思是什麼

immersed tunnel 解釋
沉埋式隧道
  • immersed : adj. 1. 浸入的，沉入的。2. 【宗教】行浸禮的。3. 【生物學】陷入的4. 【植物；植物學】沉水（生長）的。
  • tunnel : n 隧道；地道；坑道；管道，煙道，風洞；【礦物】石巷，平峒。 tunnel warfare 地道戰。vt （〈英國〉 l...
  1. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據
  2. Both tsing kwai highway and west kowloon highway are essentially on viaducts, until the route finally enters hong kong s first dual 3 - lane immersed tube tunnel, the western harbour crossing, which measures 2 km from the portal on the west kowloon reclamation near yau ma tei to the exit and the end of the new airport access, at sai ying pun on hong kong island

    青葵公路和西九公路均主要為高架道路，直至進入本港首條雙程三線沉管隧道西區海底隧道。這條過海隧道由位於西九填海區近油麻地的入口至設于港島西營盤新機場通道終點的出口計，全長兩公里。
  3. This paper deals with seismic analysis of an immersed tunnel using the travelling wave method the objective of the analysis is to obtain the maximum stresses in the tunnel body and the relative displacements at the joints for design purpose in analysis ， the axial and transverse input waves are treated as two independent waves with different amplitudes and periods the method has been found to have the advantages of simplicity and clearness in physical concepts however ， reasonableness of the prediction by the method depends largely on the input data ， such as the wave amplitude ， the wave length ， the propergation speed of the travelling wave as well as the reaction coefficient of the ground thus ， determination of the input data is discussed in detail finally ， the method is applied to analysis of huangsha - fangcun immersed tunnel across the pearl river in guangzhou

    將行波法應用到剛度較大、分段較多的水下沉管隧道的地震分析中，提出把軸向、橫向兩個輸入波處理為兩個獨立的行波的方法行波法是否符合實際，與輸入地震波的有關參數及地基系數選取有很大關系，作者對此進行了比較深入的討論，使輸入參數的選取簡單、明確，便於對計算結果進行分析與判斷最後應用此法對珠江水下隧道的工程實例進行了計算
  4. This paper deals with seismic response of a tunnel - soil system immersed tunnel ， as an underground structure ， must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step ， an mdof system is developed for modeling the foundation soil to this end ， dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step ， the tunnel is treated as a beam on elastic foundation ; that is ， the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性，根據等效原則將其化為等效單質點體系，然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型；第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件，進行了縱向與橫向地震響應時程分析，為該隧道的抗震設計提供依據
  5. Figure 3 - immersed tube tunnel option - above seabed

    圖3 -沉管隧道方案在海床之上
  6. Problems needing attention in survey of immersed tunnel

    沉管隧道測量中值得注意的幾個問題
  7. Study on navigability during the construction of yangtze river immersed tunnel in nanjing

    南京長江水底隧道施工期通航問題研究
  8. Abstract : based on references and works of authors, this paper presents the developments, key techniques of immersed tunnel tube in abroad and home recently years, and an alyses its advantages and shortcomings. finally, it gives an intro duction of so me model experiments ( including transportation, immersing, silting and ventilating ) for immersed tube

    文摘:對沉管隧道的國內外發展情況、沉管隧道的防水、地基處理、浮運沉放等技術作了概述，文中還將沉管隧道與橋梁、沉埋法與盾構法進行了相應比較，指出了沉管隧道的優點及有關顧慮，最後就有關沉管隧道的模型試驗作了相應介紹
  9. Immersed tube tunnel options

    沉管隧道方案
  10. Immersed tube tunnel

    沉管隧道
  11. The foundations of the cwb tunnel cause further constraints to immersed tube tunnel construction

    -中環灣仔繞道隧道的地基，對建造沉管隧道構成進一步的限制。
  12. Figure 4 - immersed tube tunnel option - below seabed, profile between pla berth and central reclamation phase i

    圖4 -沉管隧道方案在海床之下，地鐵荃灣線的剖面圖
  13. Constructing the cwb as an immersed tube tunnel, without reclamation over the top of it, would result in various problems mainly associated with the fact that the tunnel structure would be above seabed level

    -以沉管隧道方式興建中環灣仔繞道，但繞道上又不進行填海的話，會引致多個問題，主要因為隧道結構在海床之上。
  14. Dredging of an immersed tube tunnel trench to - 30mpd alongside the existing gravity structure seawalls would undermine the seawalls, the bases of which are around - 5mpd

    現有的重力式結構海堤的地基在主水平基準面以下約5米，沿海堤挖掘沉管隧道坑道至主水平基準面以下30米會削弱這些海堤。
  15. " the government has examined different tunnel options for the cwb including the immersed tunnel and bored tunnel options. however, these options have their limitations, " the spokesman said

    發言人說：政府曾為中環灣仔繞道研究不同的隧道方案，包括在海床上採用沉管的方法及鉆挖隧道的方法，不過這些方案各有限制。
  16. It connects the new west kowloon reclamation with sai ying pun on hong kong island. it is the first dual 3 - lane immersed tube tunnel and forms part of the 34 km expressway to the new hong kong international airport at chek lap kok

    這條隧道連接新的西九填海區及港島的西營盤，為本港首條雙程三線沉管式隧道，亦是長達34公里通往赤角新香港國際機場干線的一部分。
  17. Abstract : it is necessary for design to define the effects of train loads on nanjing yangtze river immersed tubular tunnel which is planning in the high speed railway line from beijing to shanghai

    文摘:擬定中的京滬高速鐵路南京長江沉管隧道，設計中需確定列車荷載的影響。
  18. A staged construction similar to that currently proposed for the implementation of the project will be required, even for the immersed tube tunnel option

    -沉管隧道方案必須分段施工與目前的工程計劃建議相類似。
  19. In this paper taking nanjing changjiang immersed tunnel as an example, the author made a research of aseismatic analyses of immersed tunnels by introducing fem, and also, made a further discussion of factors such as depth, geologic conditions, water and boundary conditions

    本文利用南京長江沉管隧道的基本資料，探討了如何利用動力有限元法對沉管隧道進行抗震分析，並利用這一方法分析了埋深、地質條件、水、邊界條件等因素對沉管隧道地震反應的影響。
  20. Analytic results indicate that the calculation results with simple boundaries is larger than those with viscous boundaries, that it is adequate that the transverse calculation range is taken as six times of the diameter of the tunnel with simple boundaries, that it is accurate enough to analyze the transverse seismic response with planar models, that the seismic response of immersed tunnels increases with the increasement of depth and it is great in hard rock, and that the coupling of water and structures has a little influence on the seismic response of immersed tunnels

    分析結果表明，與採用粘性邊界相比採用簡單邊界計算的結果是偏大的；採用簡單邊界時橫向計算范圍取六倍洞寬就足夠了；在對沉管隧道進行橫斷面地震分析時採用二維分析就行了。沉管隧道的地震反應隨著埋深的增加而增加；在硬巖中沉管隧道的地震反應要大些；水與結構的耦合對沉管隧道的地震反應影響不大。
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