護壩 的英文怎麼說

中文拼音 []
護壩 英文
check dam
  • : 動詞1. (保護; 保衛) protect; guard; shield 2. (袒護;包庇) be partial to; shield from censure
  • : 名詞1 (攔水建築物) dam2 (固堤建築物) dyke; embankment 3 [方言] (沙灘; 沙洲) sandbar; sandba...
  1. To use the athwart gradient protection which takes the end of dam as the datum mark will reduce the digging depth of the stilling basins is reducing, and increase the energy dissipation rate

    採用以體末端為基準面的體逆坡防時,消力池挖深減小,消能率提高,面平均流速減小,區防難度降低。
  2. ( 1 ) it was found from the obtained results that increasing of flux will led to decrease in froude no. of the following water at the shrinking section which will reduce rate of disspated energy, this will make the protection of dam surface more difficult

    主要結論如下;隨著流量的增加,消力池收縮斷面弗勞德數減小,消力池的消能率減小。面平均流速增大,面的防難度增加。
  3. The result indicates that the index system possesses stronger science and accords the fact of outskirts and hill. 5 the index system emphasizes that synthesis agriculture of shallow hilly and flatland pay attention to the intensive using characteristic, that agriculture and forest ecology of hill and knap insist production, stabilization and conservation, and that suburban synthesis agriculture of flatland accent social security characteristic

    5從所建立的指標體系可知,在淺丘平農業綜合區指標體系主要強調土地的集約化利用特點,而在低山丘陵農林生態區則強調了土地的保性、生產性和穩定性,在平城郊綜合農業區則著重強調了土地的社會保障特性。
  4. Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level

    本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期限制水位動態控制研究的必要性;介紹了傳統汛限水位設計、汛限水位靜態控制、模糊汛限水位過程線存在的問題及其初步改進方法;分析汛期限制水位動態控制的方法及關鍵問題;進一步闡述了水庫極限風險率的定義;根據極限風險率定義,詳細敘述了不同極限風險指標時、不同汛期限制水位下起調,水庫所能承受的極限風險率計算方法。然後,基於極限風險率計算方法,以白石水庫為背景,研究「考慮體自身安全、考慮體安全與下游防對象控制下泄流量的汛限水位動態控制的極限風險率」 。
  5. Abstract : the qiantang estuary with violent hydrodynamic conditions is well known for its tidal bore. the regulation of the estuary in the past, especially the progress since the founding of new china are reviewed. the principles of the regulation and planning of the qiantang estuary formulated in 1960s are expounded, i. e., to narrow the river to reduce the tidal prism, and to increase the ratio of the river flow to tidal discharge. the experience of estuary regulation / reclamation is summarized, especially the engineering measures to protect the groin head and to use polder dykes as sea defense works. finally, the effect is analyzed of the large - scale constraction / reclamation in the estuary on the tides, flooding high water level, estuary bed and the northern deep waterway in the hangzhou bay

    文摘:以涌潮聞名的錢塘江河口,動力強勁,破壞力極大.回顧錢塘江河口歷代治理情況,重點記述1949年以來治理工作的進展,論述60年代提出的錢塘江河口治理規劃的指導思想,即縮窄江道,減少進潮量,增大山潮水比值的整治原則.總結整治規劃實施過程中治江圍塗經驗,特別是「以圍代」和丁頭保等工程措施.分析錢塘江河口大規模治江圍塗后對錢塘江河口潮汐、洪水位、河床以及杭州灣北岸深槽的影響
  6. Our “ sun shine ” brand carbon steel fiber have been widely used in road, protection slops of highway, bridges, reservoir dyke, tunnels, airport taxiways, well lids of city project ( guard against theft ), mine laneway, port, railway sleepers and etc, and gain high praise from clients

    本公司「雙興」牌碳鋼纖維廣泛應用於道路,公路坡、橋梁、防浪堤、水庫堤、隧道、機場跑道、市政工程井蓋(防盜) 、礦井巷道、港口、鐵路軌道等方面,深受廣大用戶贊譽。
  7. The main content of this article includes : " ( l ) the planar non - linear and viscid - elastic static mechanical analysis is used to analyze and calculate the md in service. ( 2 ) the planar nonlinear static mechanical analysis of the stress and deformation is used to analyze the med in banking, which is banked to the height of 140m

    主要研究工作有: ( 1 )茅坪溪防完建和蓄水時的應力和變形的分析計算:對完建和蓄水時體的應力和變形進行平面非線性靜力分析計算和平面粘彈性靜力分析計算,對分析計算結果作出結論。
  8. Protection of watercourses, dikes, and coastal dunes ; guidelines

    水道堤和海邊沙丘的保.指南
  9. Article 37 no unit and individual may damage, occupy or destroy flood control works such as dams, embankments, sluices, bank revetments, pumping stations and drainage systems, hydrological and communications facilities and standby apparatuses and materials for flood control

    第三十七條任何單位和個人不得破壞、侵佔、毀損水庫大、堤防、水閘、岸、抽水站、排水渠系等防洪工程和水文、通信設施以及防汛備用的器材、物料等。
  10. Taken the bank spillway at yubeishan reservoir as an example, the water loads acted on the spillway, such as static water pressure, dynamic water pressure, shear stress on the surface of the step and so on, are calculated, which can provide evidence to the stability analysis of the dam slope and slope protection

    並以萬縣魚背山水庫岸邊溢洪道為例,計算了溢洪道上所受的水流荷載及其分佈,為土石坡和面的穩定分析提供了依據。通過計算證實了既使在較大的單寬流量下,緩坡上的階梯仍有較高的消能率。
  11. ( 6 ) the destroying of the barrier dam can result in the change of the lower environment. so protecting the upper environment is not only the necessity to the development itself, but the key to the lower environment

    ( 6 )堰塞體的潰決引起岷江下游環境的變化,因此保好岷江上游的生態環境不僅僅是上游本身發展的需要,也是岷江中下游環境好壞的關鍵。
  12. Abstract : the paper introduced the application of geotech lattice, three - dimension vegetation mattress and other geotextile materials in slope protection

    文摘:介紹了在砂基砂中採用土工格室、三維植被網墊等特種土工材料的坡應用情況。
  13. Application of the dam with laid dry block stone casing

    棘洪灘圍干砌石坡塌陷原因分析及處理
  14. A closely woven mat of brush and poles used to protect an embankment, a dike, or a dam from erosion

    (用以堤、等的)柴排,沉排,沉床荊棘和桿子的密織席,用於保堤、,使不受侵蝕
  15. Sediment and soil were removed to expose the bedrock and enable the dams to be erected on solid rock. the cofferdams were retained, and the seaward one served as a protective structure. the seawardside of the cofferdam for the east dam was placed with more than 7, 000 dolosses, each weighting 25 tonnes to stop the pounding ocean waves

    建成后,圍堰仍然保留,用作主堤,西堤,向海的一面更安放了七千多塊每塊各重25噸的防波石,阻擋來自南中國海及太平洋海浪的沖擊。
  16. In order to understand the characteristics and mechanism of flow washout for the crevice of core wall in earth - rock dam, according to the exemple of crack washout test for the core of heihe dam, constant water level washout test and changing water level washout test are adopted differently, the process of test and the character of the flow washout for the core crack are gone into particulars

    摘要為了解水流沖刷作用下反濾層對土石心墻裂縫發展保作用的特點和機理,以黑河土石心墻裂縫沖刷試驗為例,分別採用常水頭和變水頭兩種方法,探討了土石心墻裂縫在水流沖刷過程中的特點。
  17. Zipingpu hydraulic key project is located at shajinba reach, upriver of minjiang river, being built for agricultural irrigation and civil water supply. it also has integrative benefits such as preventing flood, generating electricity, environmental protection and tourism

    紫坪鋪水利樞紐工程位於四川省成都市西北60km的岷江上游沙金河段,是一座以農業灌溉、城市供水為主,兼有防洪、發電、環境保、旅遊等綜合效益的水利工程。
  18. In order to control the flood and to mitigate wangering of the section, since the beginning of building water control works on the yellow river, some 3700 dams, battlements and revetments have beed set up. these works have played an impotant role in flood control

    人民治黃以來,為了有效地控制洪水,減少主流游蕩范圍,在該河段已修建了3700多道由、垛、岸組成的河道整治工程,對保障防洪安全起到了重要作用。
  19. Discussing about warping - dam management and maintenance

    關于淤地問題的探討
  20. The construction techniques and mechanics are approaching or even reaching the international advanced level in the asphalt concrete impervious deck of the recent completed tianhuangping pumped - storage hydroplant and the counter dam in the yangtze river which is being built with the height of 104 m, the volume of asphalt concrete core of 5x104m3

    最近建成的天荒坪抽水蓄能電站上庫瀝青混凝土防滲面板和正在建設的高104m 、瀝青混凝土心墻方量達5萬多m ~ 3的長江三峽水利樞紐茅坪溪防護壩工程,施工工藝和施工機械化程度已達到或接近國際先進水平。
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