penstock 中文意思是什麼

penstock 解釋
n. 名詞 1. 節制閘門，潮門，水門。
2. 〈美國〉（引水的）水渠，水槽；（水電站的）導水管。
3. 給水栓；〈美國〉救火龍頭。
4. 【化學】壓頭管線。
5. 筆桿。

  1. Design methods of prestressed concrete penstock

    二維邊界元法中幾乎奇異積分的解析法
  2. Design of underground buried penstock of longtan hydropower station

    龍灘水電站地下埋藏式壓力鋼管設計
  3. Selection of preheated temperature for tgp penstock welding

    三峽工程左岸電站引水壓力鋼管焊接預熱溫度的選擇
  4. Application of penstock blasting method for relieving welding stress in tgp

    三峽壓力鋼管爆炸法消除焊縫應力的應用
  5. Stability analysis of penstock under external pressure based on ga - nn algorithms

    基於遺傳神經演算法的壓力鋼管外壓穩定性分析
  6. A research on canceling telescopic joint of the penstock about the high head development near power house

    取消高水頭電站壓力鋼管近廠房段伸縮節研究
  7. The penstock for jinhe hydropower station is less in china, as it has a obliquity of 50 on the bending and inclined straight section in space ; for which the manufacture and installation are smoothly completed under the construction condition in the tunnel and the environment of alpine region with available construction method in combination of limited construction method for the key technical problems of the manufacture and installation of the penstock, which provides a reference for the constructions under the similar circumstance

    摘要金河水電站壓力鋼管的空間轉彎和斜直段的50傾角在國內是比較少見的，針對鋼管製造、安裝的技術難點，在高寒和復雜的洞內施工環境中，結合有限的施工手段，採取有效可行的施工方法，順利完成了製造、安裝任務，對類似環境下的施工提供了一定的借鑒。
  8. Recent years, with the full - blown development of the prestressed concrete technique, the prestressed technique with ring - like strands as the professional technique adapted to the penstock, has been applied to many civil engineering fields such as tunnels and surge shafts in civil engineering hydraulics and power engineering, containment shells of nuclear power station, industrial storage bunkers, digesters and conservation pools in municipal engineering

    近年來，隨著預應力混凝土技術的成熟化發展，環形預應力作為適應壓力管道結構形式的專業技術，廣泛應用於水利水電工程隧洞和調壓井、核電站安全殼、工業儲料倉、市政工程消化池和蓄水池等諸多領域。目前，預應力混凝土壓力管道已得到了越來越多的重視和研究。
  9. According to the principle of ring - like strands operation, the mechanical analytic solution of presressed concrete penstock under the uni - ring - like radial loads is given out based on the theories of elastic footing beam

    根據環形預應力作用機理，結合彈性地基梁理論，提出了單環預應力作用效應的計算方法和預應力混凝土壓力管道施工階段的驗算方法。
  10. Three aspects are studied : ? he temperature field and stress field of penstock during construction period ; ? the initial temperature and stress status of penstock before subjected to internal water pressure ; ( 3 ) the optimization of the penstock construction ; 3

    同時給出了壩後背管蓄水前初始應力狀況，提出了優化施工計劃的原則和方法。對以後壩後背管混凝土的施工具有實際指導意義； 3
  11. The corrosion resistant plate penstock is in the frame of obvious - stem, which mainly consists of lifting device, frame, gate plate, seal, wedge block compressing set, rod and rod joint, rod guide tube, install accessory and etc

    不銹鋼閘門為明桿式結構，主要由啟閉裝置、閘框、閘板、密封件、楔塊壓緊裝置、門桿和桿接頭、桿導架、安裝附件等組成。
  12. It is difficult to analyze combined work of underground penstock due to the gap among steel lining, concrete lining and rock

    摘要埋藏式壓力鋼管設計中，鋼襯、混凝土襯圈和圍巖之間普遍存在著不連續的縫隙，致使設計計算時難以進行聯合受力分析。
  13. In order to ascertain stress behavior of steel lined reinforced concrete pipe accurately, according to the fundamental principle of non - linear computation of reinforced concrete elements, the steel lined reinforced concrete penstock on downstream dam surface in a hydropower station is calculated and analyzed, and the distribution of circumferential stress of the steel lined reinforced concrete pipe is obtained, it proves that it is safe and reasonable to use structures of steel lined reinforced concrete penstock in hydroelectric station construction, and can satisfy the requirement of project

    摘要為了能夠準確地把握鋼襯鋼筋混凝土管的受力性能，根據鋼筋混凝土單元非線性計算的基本原理，對某水電站鋼襯鋼筋混凝土壩後背管進行了計算分析，得出了鋼襯鋼筋混凝土管環向應力的分佈情況，分佈情況說明了此水電站採用鋼襯鋼筋混凝土壩後背管的結構形式是安全合理的，可以滿足工程要求。
  14. The deliberation of calculating concrete crack width for steel lined reinforced concrete penstock

    鋼襯鋼筋混凝土壓力管道混凝土裂縫寬度計算問題的商榷
  15. On the basis of analysing the principle of hydro - turbine governing system, this paper adopts the module modeling method, divides hydro - turbine governing system into several subsystems like penstock, hydro - turbine, generator, governor, models them separately by mechanism, thus the whole system math model is established

    本文在分析水輪機調節系統原理的基礎上，採用模塊化建模方法，把水輪機調節系統劃分為壓力引水系統、水輪機、發電機、調速器等幾個子系統，分別對其進行了機理建模，從而整合起整個系統的數學模型。
  16. In china hydropower station, slrcp is firstly used in dongjiang. later, this type of penstock is used in jinshuitan, jinjiang, taolinkou, wuqiangxi, lijiaxia, jinghong, and also in the largest hydropower station : three - gorge hydropower station

    此後，在緊水灘、錦江、桃林口、五強溪、李家峽、景洪水電站工程中陸續推廣使用，舉世矚目的三峽水電站採用的就是「淺槽式鋼襯鋼筋混凝土壩後背管」 。
  17. 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。
  18. Abstract : a brief introduction to scientific research in the three gorges project ( tgp ) and the applications of research achievements is given, which include treatment of newly slited layer on the foundation of the first stage earth - rock cofferdam, dumping bottom technique of river closure in deep water, construction of cut - off walls in the second stage earth - rock cofferdams, 3 - d computer simulation of river closure, concrete casting alternatives and selection of major construction equipment for the second stage construction optimization of durability of raw materials of concrete, deep sliding resistance and stability of the intake dam section, the section of the intake of the power station, the intake penstock of the power station, layout and hydraulics problems of shiplocks, stability of high slopes of shiplocks, and optimization of the system structural anchor bars to reduce the risk of cracking in the concrete wall and 700mw turbine generator units

    文摘:介紹三峽工程的科研項目，綜述三峽工程開工以來的主要科研成果及工程應用情況，包括：一期土石圍堰基礎處理與施工技術；大江截流上下游土石圍堰平拋墊底研究；二期圍堰防滲工程研究；大江截流計算機科學管理；大壩混凝土澆築方案及主要施工機械選型；混凝土的原材料和耐久性優化試驗研究；大壩基礎深層抗滑穩定研究；三峽電站進水口型式研究；鋼襯鋼筋混凝土引水管道研究；蝸殼打壓、廠壩間伸縮節問題研究；永久船閘的引航道布置、輸水系統及水力學、高邊坡穩定、混凝土襯砌墻的結構與支護研究；特大型水輪發電機組的科學研究。
  19. A brief introduction to scientific research in the three gorges project ( tgp ) and the applications of research achievements is given, which include treatment of newly slited layer on the foundation of the first stage earth - rock cofferdam, dumping bottom technique of river closure in deep water, construction of cut - off walls in the second stage earth - rock cofferdams, 3 - d computer simulation of river closure, concrete casting alternatives and selection of major construction equipment for the second stage construction optimization of durability of raw materials of concrete, deep sliding resistance and stability of the intake dam section, the section of the intake of the power station, the intake penstock of the power station, layout and hydraulics problems of shiplocks, stability of high slopes of shiplocks, and optimization of the system structural anchor bars to reduce the risk of cracking in the concrete wall and 700mw turbine generator units

    介紹三峽工程的科研項目，綜述三峽工程開工以來的主要科研成果及工程應用情況，包括：一期土石圍堰基礎處理與施工技術；大江截流上下游土石圍堰平拋墊底研究；二期圍堰防滲工程研究；大江截流計算機科學管理；大壩混凝土澆築方案及主要施工機械選型；混凝土的原材料和耐久性優化試驗研究；大壩基礎深層抗滑穩定研究；三峽電站進水口型式研究；鋼襯鋼筋混凝土引水管道研究；蝸殼打壓、廠壩間伸縮節問題研究；永久船閘的引航道布置、輸水系統及水力學、高邊坡穩定、混凝土襯砌墻的結構與支護研究；特大型水輪發電機組的科學研究。
  20. Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible

    結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 ： 1模型試驗，對比分析了兩種后張預應力施工體系的優劣，歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律，驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性，確定了預應力混凝土壓力管道理論計算方法的可行性。
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