船閘引航道 的英文怎麼說
中文拼音 [chuánzháyǐnhángdào]
船閘引航道
英文
lock approach- 船 : 名詞1. (水上的運輸工具, 船舶的通稱) boat; ship; vessels 2. (姓氏) a surname
- 閘 : anchor gate
- 引 : Ⅰ動詞1 (牽引; 拉) draw; stretch 2 (引導) lead; guide 3 (離開) leave 4 (伸著) stretch 5 (...
- 航 : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 航道 : channel; lane; course; passage; fairway
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Analysis on flow and sediment movement in approach channels of tidal river branches
感潮河段船閘下引航道水沙運動及泥沙淤積Application research of gis were done in data display, flow analysis at inlet and outlet and information search about filling and emptying system and so on. first, edit, browse or search can be completed at the same time when the related figure is displayed. second, database which involves attribute data and space data about filling and emptying system can be created so as to do some search between figure and its attribute data
在船閘引航道信息顯示與水流分析和輸水系統信息查詢分析等方面進行了gis技術應用研究: ( 1 )使圖形與信息結合,在圖形顯示的同時,對船閘基本信息及引航道信息或輸水系統信息進行編輯、瀏覽與查詢; ( 2 )建立輸水系統屬性數據庫,便於圖形?數據互動式查詢; ( 3 )在數學模型計算分析的基礎上,將研究成果可視化。The positive is that as a substitute of old channel or a part of the new channel shiplock maintains the continuation of channel and makes possible the channel free from navigational obstruction and waterway transportation progress. the negative is that shiplock at the same time brings some problems to waterway transportation, such as the long time passing through shiplock, the piling up of vessels, making less other ' s benefits and making more other ' s costs, making conditions and forms of transportation change, making more complicated the waterway transportation safety management and navigation order keeping, and adding up transportation costs
在經濟學意義上,船閘具有正負外部性,正的外部性為,船閘作為原航道的替代物或新航道的一部分,保證了航道的連續性,為保證航道暢通、航運發展提供了可能;負的外部性為,船閘同時給航運帶來了一些問題,如船舶過閘時間長、船舶積壓,引起他人效用的減少和成本增加,以及運輸組織條件、方式改變,使水上交通安全管理和船舶航行秩序維護更加復雜,增加運輸成本。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。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。The pattern of flow of lower lock approach is usually complicated due to the influences of the interaction of flow underpoured from different locks. generally, physical model is applied to study the current field for the case of irregular boundaries and complex flow pattern
由於受多線船閘下泄水流相互作用的影響,船閘下游引航道非恆定流流態十分復雜,對於此類有復雜流態的非恆定水流運動問題一般採用物理模型進行研究。Uses and traits of three - dimensional gis were fully comprehended and contrasted, and we completed simulation display and real time information search. flow field situation can be seen through flying route and figures from different direction. raising visibility and simulation level is beneficial to promote the advance of navigation lock hydraulics
對三維gis軟體的功能特點進行了充分了解和對比分析,並首次將三維gis功能用於船閘引航道水流模擬顯示與信息查詢方面,完成了三維模擬顯示,並進行實時信息查詢,同時可通過飛行路線、不同視角來從各個角度查看流場情況。At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed. according to data of baoying navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying
同時完成了江蘇泗陽船閘下游引航道非恆定流及其改善措施的計算分析研究和寶應船閘上游引航道口門區水流條件計算分析研究,運用gis技術和所設計的gis應用系統對泗陽船閘下游引航道內流場以及下閘首水位波動情況進行信息顯示,根據對寶應船閘的計算結果生成上游引航道口門區等流速圖、橫向流速等值線圖和流場圖,使計算分析成果數據、空間信息、屬性信息與圖形顯示有機結合,便於查詢分析,效果令人滿意。Based on the discussion of the characteristics of mountainous rivers and the problems concerning ship lock arrangement, this paper proposes of ship lock approach channel arrangement type adapting to the characteristics of mountainous rivers
摘要介紹山區河流的特點及船閘布置存在的問題,提出適應山區河流特點的船閘引航道布置型式。In the whole course of flood regulation of tgp during flood season as well as filling and discharging of its shiplock, unsteady flow at different levels will occur in the upper and the lower access channels, which will exert an adverse impact on the navigation
摘要三峽水利樞紐在汛期調洪和船閘充、泄水運行全過程,在上、下游引航道內將產生不同程度的非恆定流,對航運構成相應的不利影響。Based on the river regime of tgp dam area and the arrangement of upper and lower access channels, the experimental research on the influence of such unsteady flow on the navigation, the evaluation of navigable conditions under the unsteady flow and the study of corresponding improvement measures are presented in this paper
本文結合壩區河勢特點及上下游引航道布置,試驗研究了大壩泄洪及船閘充泄水非恆定流對上、下引航道通航影響,同時進行了非恆定流通航條件評價及改善措施研究。Studies on the characteristic of unsteady flow at lower lock approach deserve regards from the aspect of theoretical research and actual practice consideration
船閘下游引航道非恆定流特性的研究是一個在理論和生產實踐中均值得重視的問題。Based on discussing methods to study the characteristic of unsteady flow at lower lock approach, several improved project proposals are provided, and then the alternate proposals are tested using both physical model and numerical model
在討論船閘下游引航道非恆定流特性研究方法的基礎上,對江蘇泗陽船閘下游引航道非恆定流進行了分析研究,提出了幾種工程改進方案,並相應地進行了數值計算和物理模型試驗。Combined with the construction programming of no. 3 lock, further studies on the flow pattern at various locks are undertaken. to the actual conditions of siyang locks and taking various effects into consideration, engineering measures which are expected to ameliorate the pattern of flow at lower lock approach are propose
在此基礎上,結合泗陽三線船閘的建設規劃,進一步對各線船閘水流特徵進行了計算和試驗,針對泗陽船閘的具體情況綜合考慮多種因素,提出了改善下游引航道非恆定流的工程措施,獲得了滿意的結果。Except for research on the unsteady flow at lower lock approach in siyang, jiangsu province by physical model, a two - dimensional numerical model is developed to explore the alternate research method in this paper. through studying the project using physical model and numerical model simultaneously, the governing equations, numerical algorithm and the computation accuracy of the numerical model are analyzed. comparison between computed results and experimental data gives that computed results is well agree with measured data under several water level cases, which indicates that the numerical model is valid and reliable
通過數學模型和物理模型的同步研究,對數學模型的控制方程、數值計算方法以及數值模擬的精度與物理模型試驗進行了比較分析,同實測資料驗證的結果表明:該數學模型與物理模型一樣在不同的水位組合,不同的運行工況條件下都能正確地模擬下游引航道非恆定流的實際水力情況,模型計算結果與實測資料十分吻合,說明建立的數學模型是合理的,結果是可靠的,可以利用該數學模型進行船閘下游引航道非恆定流特性的研究。Qinjiatuo bridge for three gorges project is a super bridge over the approach of the sea - route on lower reaches of the temporary lock. the bridge is 303. 10m in length. the bridge is the heaviest - loaded bridge in asia at present, whose design loads are automobile - 135 and trailer - 660
三峽工程覃家沱橋為橫跨臨時船閘下游引航道的一座特大橋,大橋全長303 . 10m ,設計荷載為汽? 135級,掛? 660級,為目前亞洲第一重載橋。分享友人