water pressure tunnel 中文意思是什麼

water pressure tunnel 解釋
有壓隧洞
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  • 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. Analysis of tunnel in different permeate water pressure shows that the concretive rock surrounded the reinforced concrete liner has a great contribution the permeate water pressure. thus, the surrounding rock, together with the concrete liner, should be considered in safety evaluation of the tunnel

    通過對外水壓力變化情況下的不同分析，表明鋼筋混凝土襯砌和固結圍巖的聯合作用明顯，安全評估時應考慮襯砌和圍巖的聯合受力作用。
  2. Tunnel construction is very difficult hi region with high geotectonic stress and high subsurface water pressure. few deep - lying tunnels are constructed in civil conveyance and hydropower engineering up to now

    特別是對在高地應力、高地下水位區域的隧洞建設，其施工難度更大，在國內的水利水電工程建設中並不多見。
  3. Finite volume method is appilied in numerical modeling of the flow in no - pressure tunnel of high water reservoir in this paper. i select standard k - turbulence modeling that put forward by launder and spalding in 1972 by weighted poly - turbulence modeling. the difficulty is that there is free surface in flow, but free surface problem ' s calculating region is indefinitely

    本文利用有限體積法對高水頭下水庫無壓泄水洞水流進行了紊流數值模擬，根據多種紊流模型的優缺點進行比較，選擇了launder和spalding於1972年提出的標準的k ?紊流模型。
  4. Abstract : through a series of hydraulic model tests for researching actual power tunnel operation, a conclusion is reached that in order to get a better flow pattern the profile of the wate - carrying structure should be adapted to the variation of water streamline shrinkage, flow velocity and pressure intensity. the configuration and dimension of the kinetic energy dissipator should be selected carefully to make the water tunnel safe and reliable at different levels of diversion dischage

    文摘:針對實際工程中的發電引水隧洞運行的各種工況進行了水工模型試驗研究，指明要獲得良好的水流流態，過水建築物各部位結構輪廓的造型應適應水流流線的收縮、流速及壓強的變化；為使引水隧洞在各級引水流量下能安全可靠地運行，需慎重確定洞內消能工的體形和尺寸。
  5. Based on the cause analysis for failure of water stop of tunnel ' s cast in site circular construction joint from theoretical and constructional point of view as well as the working mechanism of expansive water stop proposed in terms of width of construction joint, the relation between width of circular construction joint and water pressure resistance of water stop is established and its model test carried out

    首先從理論和施工角度分析了隧道現澆環向施工縫止水條的失效原因，然後從施工縫張開度的角度提出了膨脹止水條止水的原理，在此基礎上建立了施工縫張開度與止水條抗水壓力之間的關系，並進行了模型試驗。
  6. The lining of a tunnel in the area with high groundwater table does not bear high external water pressure in - normal, the surrounding rock reinforced by intrusion concrete does it. in the case, the groundwater through reinforced rock accumulated in the space between lining and rock must be drained in time

    一般鐵路隧道通過高水位富水區時，不用襯砌直接承受較高的外水壓力，要實現這個設計目標必須做好襯背的排水工作，使通過加固圈滲透過來的水量及時排走，及時削減累積的水量。
  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. The region belong to high geostress area. in the preceding excavation of 4km long exploratory tunnel, several bigger flows had taken place. the maximal flux approached 4. 91m3 / s and the maximal water pressure is 10. 22mpa

    在前期4km長探洞施工過程中，曾發生多次較大涌水，單點最大涌水量達4 . 91m ~ 3 s ，長探洞封堵后最大水壓力達10 . 22mpa ，工程區高外水壓力問題突出。
  9. For the sake of the research about hydroelectric interfere among machines, the article utilized the simulink in matlab as simulating tool, meanwhile established the simulating model about two high head diversion water turbines regulation system in violent fluctuating pressure sharing one head race tunnel and surge tank and one penstock. then calculated the load rejection transition process by means of the real parameters of a hydro power station, analysed the interfere of hydro power station safety and stable nenring brought by hydroelectric interfere and put forward a series of measures that lightening the hydroelectric interfere

    為了研究機組間的水力干擾，本文採用matlab下的simulink作為模擬工具，建立共用有壓引水管道、調壓井、壓力主管的兩臺高水頭引水式水輪機調節系統大波動時的模擬模型，引入實際電站的參數，對甩負荷過渡過程進行了模擬計算，分析水力干擾對電站安全、穩定運行所造成的影響，並提出了一系列減輕水力干擾的措施。
  10. Stress decreases rock seepage character in elastic stage, while erosion damage increases it. under some conditions, the influence of stress to seepage may be shielded by erosion damage. obtaining the distribution of seepage field, tunnel external water pressure can be calculated in two ways : 1

    高應力使裂隙閉合，一般是降低巖體的滲透性，而水化水力損傷則增加巖體滲透性，在腐蝕損傷發育到一定階段，應力對滲透性的這種影響則可能會被屏蔽。
  11. 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。
  12. ( 2 ) the method of finite element discrete and optimal parameter back analysis is adopted. ( 3 ) concentrated on the question of high external water pressure of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied. ( 4 ) based on jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward

    （ 2 ）採用有限元離散?優化法進行參數的反演分析； （ 3 ）針對深埋隧洞的高外水壓力問題，進一步分析和研究了襯砌水荷載及外水壓力的作用機理和計算方法； （ 4 ）以錦屏二級水電站深埋長引水隧洞作為本文的主要研究對象，採用考慮降雨入滲滲流場分析的方法對排水方案和灌漿封堵方案不同情況下的滲流場的水頭分佈進行了數值模擬，並對其外水壓力進行了分析和研究，提出了滲流控制的具體措施。
  13. On the basis of the stresses analysis, the existed design rules of pressure tunnels are discussed. first, the pore - water - pressure distribution in the rock mass around the pressure tunnel is evaluated using the image well method proposed by harr ( 1962 ). the seepage - induced stresses in the rock mass is analyzed, and several conclusions are gained

    首先，運用harr （ 1962 ）鏡像原理推求壓力隧洞圍巖中水壓力分佈；結合水壓力的分析，利用fernandez （ 1994 ）的假定推求壓力隧洞圍巖中滲流產生的應力場，並對不同地表條件下滲流產生的應力場進行詳細分析，從中得到一些結論。
  14. The different drawbacks in the original design and construction of the emergency gate slot of the releasing tunnel of zhelin hydropower station in jiangxi province resulted in the disjunction of most slot corner plates under the parapet walls of two sides of the left hole and the damage of the second - phrase concrete in these slot corner plates, after the gate is closed and under the action of seepage water pressure

    江西省柘林水電站泄空洞檢修門槽，由於原設計和施工均存在不同的缺陷，致使閘門關閉后，在滲透水壓作用下，造成左孔兩側胸墻以下大部分門槽護角板被擠壓脫開，護角板裏面的二期混凝土損壞。
  15. In this thesis, the rock mass is treated as a continuous porous elastic medium, on the basis of the seepage field of the rock mass, the pore - water - pressure distribution in the rock mass around the tunnels is evaluated. then, the seepage - induced stresses in the rock mass is studied. based on the analysis of stress field in the rock mass around the excavation, the stresses behavior of the pressure tunnel with the internal pressure is studied using the coupled seepage - stress model

    本文將圍巖看作連續的透水彈性介質，從壓力隧洞圍巖滲流場著手，分析壓力隧洞圍巖中水壓力分佈，進而研究圍巖中滲流產生的應力場，結合對隧洞圍巖二次應力場的分析，探討考慮滲流場和應力場耦合作用下圍巖三次應力場特性。
  16. After reading some papers about external water pressure of deep tunnel, talking about several opinions about disadvantages that exist in the external water pressure of deep tunnel

    摘要閱讀了有關深埋隧道外水壓力文章后，對其中的幾個問題提出自己的見解。
  17. 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。
  18. Existing monitoring data obtained before 1990 are investigated first. results shows that reinforced concrete liner of the tunnel is mainly affected by the temperature and the permeate water pressure between the liner and surrounding rock, and the effect of rock pressure is much smaller

    文中首先對引灤隧洞原有監測資料進行了分析，發現隧洞的鋼筋混凝土襯砌主要受溫度荷載和外水壓力的影響，而山巖壓力的作用相對較小。
  19. 3d numerical simulation of the lining structure under high water pressure in mountain tunnel

    山嶺隧道高水壓下襯砌結構三維數值模擬
  20. Numerous deep lying tunnels are adopted with the water project construction transferring to the south - west area of china, the high external water pressure and flow are the most important problems faced in the tunnel design and construction

    隨著我國水電建設逐步向西南轉移，深埋隧洞方案大量被採用，而深埋隧洞的高外水壓力和突涌水問題已成為目前隧洞設計和施工中亟待解決的難題。
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