tunnel coefficient 中文意思是什麼

tunnel coefficient 解釋
風洞系數
  • 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...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. The controlling parameters for smooth blasting in qin - ling zhongnanshan tunnel project are optimized according to the fundamental principle of smooth blasting, considering the minimal resistance, coefficient of embrasure density, coefficient of non - coupling, density of dynamite and rate of exploding. the efficiency of this method has been analyzed and justified by the high speed and good quality of the project

    根據光面爆破的基本原理，從最小抵抗線、爆眼密集系數、不耦合系數、線裝藥密度、爆破進尺等幾個方面確定秦嶺終南山隧道光面爆破主要參數的選取，分析了該隧道鉆爆設計在隧道施工中的運用取得的成效，提高了施工進度，同時也保證了施工質量。
  2. This paper adopts linear interpolation to deal with data of wind tunnel experiment for sample uav and realizes modeling and simulation of the sample uav with c language in common aerodynamics and moment coefficient

    本文採用線性插值處理樣例無人機風洞試驗數據，採用正常情況下的氣動力及力矩系數數學模型，並用c語言實現樣例無人機建模與模擬。
  3. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  4. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述，總結出邊界層厚度與設定風速、實驗段深度的關系，然後給出模型中心區一定風速下校正數值。
  5. 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
  6. High - temp molanstone heat - insulation brick is made with domestic newest energy - effcient fire - proof material by using advaned technologies introduced from abroad. it has the strengths of heat - resistance, high intensity, low heat - conduction coefficient and remarkable energy - saving effects. it can be used in petrolum partition kiln, metallurgical hot stove, ceramic kiln, tunnel kiln, and as linings of many electric stoves. it can also used on fire directly. according to the testing of relevant authorities, this product has reached standards of products from foreign competitors

    高溫莫來石質絕熱磚是我國引進的新技術，國內最新型的節能耐火材料，具有耐高溫、強度高導熱系數小，節能效果顯著等特點，適用於石油裂介爐、冶金熱風爐、陶瓷輥道窯、隧道窯、電瓷抽屜窯、玻璃坩堝窯及各種電爐的內襯，可直接接觸火焰、經有關技術監督部門檢測及使用，產品達到國外同類產品的技術指標。
  7. ( 2 ) when tunnel water is blocked up fully behind the lining, water pressure on the lining will reach maximum at last so long as surrounding rock near the lining is infiltrative no mattter how much the permeability coefficient of surrounding rock is

    （ 2 ）隧道採用完全不排水措施時，只要襯砌附近的圍巖滲水，襯砌背後與含水圍巖有水力聯系，不論滲透系數多大，襯砌背後最終水壓會達到靜水壓，計算時水壓不宜折減。
  8. ( 6 ) according to test result and data, combined with water and geological feature of railway tunnel surrounding rock, a suggested table of decrease coefficient about external water load on railway tunnel lining structure is put forward

    （ 6 ）根據試驗結果和數據，結合鐵路隧道圍巖水文地質特徵、地下水影響情況以及其他行業有關資料，初步提出了鐵路隧道襯砌結構外水荷載折減系數建議表。
  9. This paper takes jin ’ ao mansion and adjacent buildings as the study object. first we put the stated reduced scale model in the atmospheric boundary layer which the tunnel simulates, applied the dynamic pressure measure technology on the building ’ s surface to get the mean and fluctuating wind pressure coefficient, drew out the contour of pressure coefficient and analyzed its distributing law and characteristic

    本文以金奧大廈及其鄰近建築作為研究對象，首先把一定縮尺比的模型置於風洞模擬的大氣邊界層環境中，運用建築表面動態測壓技術獲得金奧大廈表面的時均風壓系數和均方根風壓系數，繪制時均風壓系數和均方根等值雲圖並分析其分佈的規律和特點。
  10. In order to calculate the high external water pressure, the rock seepage field and external water pressure coefficient should be treated in detail. concentrated on the questions of high external water pressure and flow of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied, the high external water pressure of jinping cascade 2 hydropower station is analyzed and studied in detail

    本文在總結前人研究成果的基礎上，圍繞深埋隧洞的突涌水和高外水壓力問題，系統地研究了深埋隧洞襯砌水荷載和外水壓力的作用機理及計算方法等理論，並對錦屏二級水電站深埋引水隧洞的外水壓力問題進行了詳細的分析和研究。
  11. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為平臺，建立金奧大廈及其周邊建築的計算幾何模型，近壁區採用非平衡壁面函數法處理，運用基於雷諾時均的realizablek -湍流模型進行高層建築三維定常風場數值模擬，獲得金奧大廈表面時均風壓系數分佈及基底五分量氣動力，並和風洞測壓試驗的結果及風壓系數積分計算的基底五分量氣動力相比較，發現兩者之間的差異在可接受的范圍之內。
  12. Designed a program which can use the mean pressure coefficient of jin ’ ao mansion to calculate mean wind load of the whole buildings and local floor. the integral result can apply into the practical design of construction, also can compare with the results of wind tunnel balance test to validate the veracity of this test

    通過自編的程序對金奧大廈表面時均風壓系數進行積分計算獲得其整體和局部樓層的平均風荷載，積分計算的結果一方面可以方便地運用於實際的建築結構設計中，另一方面可以與風洞天平測力結果進行比較驗證動態測壓試驗的正確性。
  13. To reply the inquiry of several scholars on " the simulation of tunnel external water pressure by analytical - mathematical method ", the coefficient method, localization of pure numerical method, analytical - mathematical method relating to the calculation of tunnel external water pressure, together with the detail of the example in that paper, are discussed in the paper

    摘要針對有關學者對《深埋隧道外水壓力計算的解析數值法》一文的討論，探討了隧道外水壓力計算中作用系數法、單純數值方法的局限性、解析數值法以及與計算實例等相關的幾個問題。
  14. Using mathematic analysis method analyses the different tie - in " computation mode of fabricated lining railway tunnel. the thesis studies the contents as follows : amended rigidity method can simulate the mechanism by changing the rigidity coefficient, but it is difficult to choose the rigidity coefficients

    本文用數值分析的手段，對裝配式襯砌不同的接頭計算模式分別進行了有限元分析，主要內容如下： （ 1 ）修正剛度法可以通過改變管片接頭處的剛度折減系數來很好的模擬接頭的受力機理，但是剛度折減系數的選擇無疑是很難的。
  15. The main results of the paper are as follows : ( 1 ) the permeability coefficient of surrounding rock and drainage quantity of tunnel are two decisive factors of external water load of tunnel lining

    本論文的主要結論是： （ 1 ）隧道襯砌外水荷載大小主要由圍巖（注漿圈）滲透系數和襯砌背後排水量決定。
  16. An experimental study on the aerodynamic characteristics of new concept car is conducted by model wind tunnel test, covering the pressure coefficient and wake vortices on longitudinal symmetry plane, as well as aerodynamic forces and moments under different yaw angles

    摘要用模型風洞對新概念車在不同橫擺角下縱對稱面上壓力系數、整車氣動力和氣動力矩的變化以及縱對稱面尾部流態分佈進行了試驗研究。
  17. Then we simulate the common excavating methods of double - arc tunnel respectively, analyze the stress and strain of wall rock and support structure of each method, and recommend the best excavating method to construct double - arc tunnel in wall rocks of ii. then we analyze the " three headings method " in detail, and also simulate the effect of construction factor, stress releasing coefficient and secondary lining

    對實際工程中最常用的三種開挖方法分別進行了施工模擬，分析了它們各自的圍巖和支護的受力變形規律，經比較后，得出了三導洞法是類圍巖中修建連拱隧道的較好開挖方法的結論。
  18. Based on matlab system, a multi - layer back propagation neural network model was developed, in which the effects of the depth from surface to the tunnel axis, tunnel diameter, groundwater level, as well as the elastic modulus, shear strength, side pressure coefficient and unit weight of soil and the space between excavated wall and lining on the ground subsidence were considered

    採用matlab系統開發了一個多層反向傳播神經網路模型，考慮了隧道的深度、隧道的直徑、地下水位、土的彈性模量、土的剪切強度、土的側壓系數、土的重度和開挖間隙對地表沉降的影響。
  19. The design of tunnel lining structure is related with the drainage and waterproofing system, lining structure shape, the permeability coefficient of grouting loop and so on, which should be carried out through special research and calculation. it is inappropriate by adopting present standard drawing briefly. ( 9 ) with the action of external

    本論文提出的以堵為主「控制排水」原則和考慮外水荷載作用的鐵路隧道襯砌結構設計等定性原則和定量方法，盡管是初步的、探討性的，但這些原則和方法本身對改進和完善我國現有鐵路隧道襯砌結構設計方法，提高我國隧道設計水平具有重要意義。
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