壩下沖刷 的英文怎麼說

中文拼音 [bàxiàchōngshuā]
壩下沖刷 英文
degradation below dam
  • 壩 : 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...
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 刷 : 刷構詞成分。
  1. ( 4 ) enhancing the downriver cofferdam will make the lower reaches of a river dissipate more energy. however, it will increase erosion and the protection will be more difficult

    抬高下游圍堰可以使下游分擔更多的消能任務，減輕壩區的沖刷和消力池的消能負擔。
  2. Observation and analysis of the river bed scour behind the third dam of gutianxi

    古田溪三級大壩下遊河床沖刷原型觀測與分析
  3. 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壩心墻裂縫發展保護作用的特點和機理，以黑河土石壩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，探討了土石壩心墻裂縫在水流沖刷過程中的特點。
  4. Through theoretical computation and experimental observation, it is put forward that the maximal depth of the scoured pits of the embankment is from ten to thirteen meters, and for several pits whose top are rinsed by main flow continuously, their scoured depth have reached twenty meters

    經過理論計算和試驗觀測研究，提出了仁存渡以下沙質河床，丁壩最大沖刷坑水深為10 ? 13米，個別受主流持續頂?的丁壩，最大沖刷坑水深可達20米。
  5. This paper presents a method of probability analysis in order to develop the general design and analysis methods for problems of the embankment stability under random storm wave actions as well as with random properties of the embankment medium. the major purpose of this study is carry out modellings of ( 1 ) probability analysis for the problem of seepage stability of levee projects ; ( 2 ) probability analysis for the problem of erosion due to washout sediments from the embankment ; ( 3 ) numerical analysis for coastal evolution due to beach erosion under energy actions of storm wave

    本文根據598084號年浙江省自然科學基金項目和g59901號國家教育部回國留學人員科研啟動基金項目的部分研究目標和研究內容的要求應用概率分析方法研究了在隨機風浪荷載作用下和築堤材料隨機性影響下防護堤壩抗滲流、抗沖刷穩定性的分析計算模型；用數值分析方法研究了在浪潮能量作用下岸灘侵蝕造成海岸演變問題的數學分析模型。
  6. In order to explore harness scheme, layout, measurements and parameters concerned of the project, which are appropriate for the characteristic and the evolvement law of the watercourse of ningxia section of the yellow river, the study on the experiment of the scoured pit of the dam buttress and runoff of the root rock of ningxia section of the yellow river is of important theoretical meaning and practicable value

    河道床質也不相同，仁存渡以上河段為沙卵石，以下河段為沙質。為了探索適宜黃河寧夏段河道特性和演變規律的整治方案、工程布局、工程措施及有關參數，開展黃河寧夏段河道壩垛沖刷坑和根石走失試驗研究，具有十分重要的理論意義和實用價值。
  7. For example, after the collapse of ditong dam in idaho, may 5, 1976, it was found that it was not impervious very well, the impervious curtain was built poorly. when the seepage went through the impervious curtain, the exit water from the pervious material of the downstream or the right side of dam through the foundation or certain line between the foundation and the dam caused contact scour and piping

    如美國愛得華州提堂壩於1976年5月5日潰決，事後調查分析，因壩基透水性大，防滲帷幕施工質量差，滲流穿透帷幕，經地基或地基與壩的接觸面從壩體下游側透水料區逸出或從右壩肩繞滲經下游壩體逸出，出逸的水流引起了接觸沖刷和管涌，導致潰壩。
  8. ( 5 ) lowing down the dam body will reduce the digging deep of the stilling basin, decrease the velocity of flow on the dam body and cut the difficulties of

    但下遊河床的沖刷加大，防護工作增加。降低壩體可以減小消力池的挖深，降低壩面流速和壩面的防護難度。
  9. Overall, the average deposit slope, changes in cross sections, scouring hole, and sediment discharge of downstream channel of dam no. 4 increased with deeper opening depth of dam no. 3

    由實驗結果得知，隨三號壩壩體在斷面拆除深度加深時，四號壩下游的淤砂坡度、斷面變化、沖刷坑與輸砂量變化會隨之增大。
  10. With same opening depth applied at dam no. 3, deeper scouring hole was found at the downstream channel of dam no. 4 when the dam - conversion was conducted simultaneously. besides, the depth of downstream scouring hole of dam no. 4 increased with increasing opening depth at dam no. 3. 3. changes in the channel cross sections between dam no. 3 and no. 4

    三號壩壩體拆壩的方式會對四號壩下游沖刷坑的深度會產生影響，由壩體相同斷面的拆除，結果發現一次拆除會比分次拆除時造成沖刷坑的深度較深，而沖刷坑的深度會隨著下游壩體拆除的深度增加而變大。
  11. Based on the local scouring test of the dike ' s head under the action of clear tidal currents, of both tidal currents and waves, and of both muddy tidal currents and waves, variations of the scoured pit ' s depth at each dike ' s head with time, and the scoured pit ' s depths with three experimental conditions are compared

    進行了清水潮流和潮流波浪、渾水潮流波浪作用下的4條丁壩壩頭沖刷試驗，給出了各丁壩壩頭沖刷坑深度隨時間的變化，對比了3種試驗條件下丁壩壩頭沖刷坑的深度。
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