挖航道 的英文怎麼說

中文拼音 [wāhángdào]
挖航道 英文
channel dredging
  • 挖 : 動詞（用工具或手從物體的表面向里掘取） dig; excavate; scoop
  • 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
  1. The excavation on the left side of xiangjiaba hydropower plant would form the large - scale artificial slope, which refers to the main project near the source of the river and the project of intake sea - route near the mouth of the river, and its height would reach 150 meters

    向家壩水電站左岸開挖將形成規模較大的人工高邊坡，涉及上游段的主體工程和下游段的引航道工程，工程邊坡的高度達150m 。
  2. The optimization design model of channel dimensions

    航道挖槽尺寸的優化設計模型
  3. A 2 - d hydrodynamic - numerical model was applied to typical rocky rapids called jiyutan by comparing different computational models. based on the comparison of different schemes, the change of the discharge and the flow current in a branch were analyzed, and the relationship between the flow condition and excavation area, scope as well as mode was discussed, the conclusions show : ( 1 ) in a branching rocky rapids, the velocity may be reduced and flow condition can be improved by excavating one channel partly

    本文在對各種數學模型比較的基礎上，應用二維水動力數學模型研究典型石質汊流灘? ?廣西潯江鯽魚灘航道整治工程方案，通過各方案計算結果比較，分析了不同汊道的開挖及汊道內不同開挖面積、開挖范圍以及開挖方式所引起的分流比及工程區域航道水力條件的變化規律，研究結果表明： （ 1 ）對于石質汊流灘來說，在某一汊道通過局部開挖河槽，擴大過水斷面面積，可以達到降低工程段流速、改善局部水流條件的目的。
  4. The main measures are : damming improving flow condition riverbed excavation etc. riverbed excavation is always used in reducing velocity of a channel with bad flow condition. in singularity channel, velocity can be reduced with the increase of crossing area by excavating riverbeds

    整治採取的主要措施有：築壩壅水、改善流態、開挖河槽等等，對于流態惡劣的急流灘，常採用開挖河槽擴大過水斷面面積的方法來降低航道流速。
  5. The necessity of the yangtze estuary waterway administration bureau ' s purchasing of specialized trailing suction hopper dredger is analyzed, and suggestions on the way of building of the dredger are put forward

    摘要對長江口航道管理局購買專用耙吸式挖泥船的必要性進行了分析，並對專用挖泥船建造方式提出了建議。
  6. The dredger is one of major facilities in the fields of channel dredge, hydro project, prevent or control flood, ocean development, seaport construction etc. at present, the management maintenance methods of dredger are primary time based maintenance and run - to - breakdown maintenance

    挖泥船是航道疏浚與整治、水利工程、防洪搶險、海洋開發及海港建設的主要工具。目前對挖泥船管理維修的方法主要有定期維修和事後維修。
  7. First the author memorized the yellow river excavation history and concluded development of modern dredging science, and found that most researches of dredging are related to navigation regulation, little used to flood control especially in the yellow river with silty. based on the experiment of generalized physical model of the lower reach of the yellow river, and the study of the loaden flow mechanism and the dredging efficiency, the author get some new ideas as follows : 1

    通過對黃河疏浚的歷史以及現代疏浚工程學的發展進行了回顧和總結，認為已有的疏浚研究大多基於航道疏浚工程，對于防洪疏浚特別是在黃河這種多沙型河流上進行防洪疏浚的研究極為欠缺，本文基於黃河下遊河道概化模型試驗，對疏浚挖槽后水沙運動機理及效果等進行了研究，得到以下認識。
  8. In this part, the first work is pretreatment of a numerical model, including creating calculating grids automatically, improvement of the linear boundary technique and so on. the second work is to estimate the siltation of a basin or channel by liu ' s equation. the third work is to build an edbms ( engineering data base management system ) for the result of mathematical model

    其中主要的工作是：其中主要的工作一是數學模型的前處理，計算網格自動生成，線邊界法的優化；二是應用劉家駒公式在長江口深水航道治理工程地理信息系統的支持下實現港池、航槽開挖的實時回淤估算；三是將計算成果形成gis管理和支持下的工程數據庫系統（ engineeringdatabasemanagementsystem ） ，同時嘗試解決時間序列數據如地形沖淤變化，潮位、流速過程的分析、查詢和顯示問題，並實現實時、互動的動態演示及三維可視化。
  9. Excavating riverbeds in one channel may not only reduce the velocity area in some areas but also increase the velocity in other areas by increasing flow rate in this channel without correspondent changes in riverbeds of rocky rapids. in result, the velocity in waterway may be increased instead of be reduced, the flow condition may also be deteriorated. thus, which branch should be excavated and how to excavate in improving the flow condition of the branch should be further explored

    但在分汊河道內，情況較為復雜，在一汊河道內採取開挖措施后，雖然其過水斷面有所增加，局部流速相應降低，但是由於工程后，汊道的分流比將會相應變化，而石質河床一般無法通過沖淤變化以適應水流條件的改變，因此，航道內工程處的流速可能降低，也可能不降反而有所增加，惡化了航道的水流條件。
  10. There are many sorts of the modern dredgers, to adapt the various working regions, and soil conditions etc. it is inevitable to select to build the large self - propelled trailing suction hopper dredgers for shanghai channel bureau, because of the developments of the big - scale ports and channels at home and abroad, and the bad working conditions offshore, and the business direction

    現代挖泥船有各種類型，它們適用於不同的施工區域與土質等工況條件。世界與國內港口航道的發展愈來愈體現出規模大，向外海推進和施工條件惡劣的特徵，從上海航道局的企業經營定位出發，建造大型自航耙吸挖泥船是首選方案。
  11. For the area of tianjin port which is short of sandy material, cement solidified soil, used as a new type of fill material, can not only help reduce the long distance transportation of sand fill, save energy and cut down engineering cost, but also make full use of the mucky clay dredged from basins and waterways

    摘要採用水泥固化土作為新的充填材料，對于缺少砂土的天津港地區，不僅可以減少砂料長途運輸，節省能源，降低工程造價，而且可以充分利用港池和航道開挖的淤泥質粘土。
  12. ( 3 ) in excavation channel, the velocity in engineering area may be reduced, but the velocity in other areas of this channel may be increased and the flow condition may be deteriorated as a result of the increase of flow rate in this channel. thus, it should be discussed and studied before engineering practice

    （ 3 ）在汊道的開挖中，工程區域的局部流速可能有所下降，但因分流比有所增加，可能導致其餘部分河段的流速有所增加，惡化航行水流條件，因此在工程前需要進行充分的論證和深入的研究。
  13. Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed

    文摘:採用正交曲線坐標系下的河道平面二維數學模型，研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律，預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響，並對格形開挖和平整開挖方案進行了比較分析
  14. An analysis of the seabed evolution in the outer channel of qingdao port

    青島港外航道開挖區海床演變趨勢分析
  15. So, it is better to select building the large self - propelled trailing suction hopper dredgers abroad. however, the modern dredger is not only a technique a alone together but property article, especially large self - propelled trailing suction hopper dredger

    然而，現代疏浚船舶尤其是大型自航耙吸挖泥船不僅是一種技術密集型的商品，更是一種資產密集型的商品，耗資之巨非上海航道局的財力所能承受。
  16. This project is one part of project of study and application of new devices and technologies in the 1750m3 / h cutter suction dredger ( it is called as the 1750 dredger for short ), which is a china state ninth five - year key project and was developed by the joint efforts of changjiang waterway bureau and wuhan university of technology

    該項目是中國國家「九五」重點科技攻關項目「 1750m ~ 3 h絞吸式挖泥船新技術裝備實驗研究及應用」的一個重要子課題，由長江航道局和武漢理工大學共同承擔。
  17. This thesis introduces the author ' s study, work and research, during the period of author participating in the research and development of the first 1750m3 / h cutter suction dredger ' s dredging process training simulator in china. this project is one part of research and application of new technologies and equipment project in the 1750m3 / h cutter suction dredger, which is one of the ninth five - year state key projects and was developed by the joint efforts of changjiang waterway bureau and wuhan university of technology

    本文介紹作者參加武漢理工大學與長江航道局聯合承擔的國家「九五」重點科技攻關項目「 1750m ~ 3 h絞吸式挖泥船新技術裝備實驗研究及應用」的重要子課題「疏浚作業模擬訓練器的研製」中所進行的學習和研究工作。
  18. A trailing suction hopper dredger is one of the most popular dredging tools for regulation of waterway and harbors. it is a large self - propelled and self loaded dredger which can be used in wide water area such as an estuary or a river mouth. it is adaptive economical, it is widely used in large dredging projects in most countries in the world

    耙吸式挖泥船是最常用的清理河道港口的疏浚工具之一，它是水力式挖泥船中大型自航、自載式挖泥船，適用於水域開闊的海灣、河口，具有廣泛的適用性和經濟性，為世界上各個國家在較大的疏浚工程中廣泛採用。
  19. The conclusion from this scheme study on the detailed analysis calculates and comparison about above subjects shows that swb can build the large self - propelled trailing suction hopper dredger abroad with the 70 % bank crediting for investment. and it must be carried out hereafter to lower the cost, raise productivity and strive the steady income, so she will restore the enterprise vitality for existing and competing, and to rank among world ' s dredging market

    本方案研究通過對以上內容的詳盡分析計算和比較得出上海航道局可以依靠向銀行貸款的融資方式，解決70以下的投資問題，在國外建造大型自航耙吸挖泥船，並在今後的經營中，降低成本，提高生產效率，確保穩定的收入，就可使上海航道局恢復企業的生存和競爭的活力，在濟身於國際與國內疏浚市場中，立於不敗之地。
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