防護壩 的英文怎麼說
中文拼音 [fánghùbà]
防護壩
英文
guard dam- 防 : Ⅰ動詞(防鷥) provide against; defend against; guard against Ⅱ名詞1 (防守; 防禦) defence 2 (堤...
- 護 : 動詞1. (保護; 保衛) protect; guard; shield 2. (袒護;包庇) be partial to; shield from censure
- 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...
- 防護 : protect; shelter; shield; guard; shielding; protection; proofing
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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
採用以壩體末端為基準面的壩體逆坡防護時,消力池挖深減小,消能率提高,壩面平均流速減小,壩區防護難度降低。( 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。壩面平均流速增大,壩面的防護難度增加。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「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛限水位動態控制的極限風險率」 。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 )茅坪溪防護大壩完建和蓄水時的應力和變形的分析計算:對完建和蓄水時壩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。It gives some suggestions that should be noticed during the operation management if the rubber dam. it also introduces some simple dam bag repairing technologies. this article is also of some reference value for scientifically running the rubber dam and expanding its life span
本文還對在通航水域設計建造橡膠壩的安全防護設施進行了探討;對橡膠壩在運行管理中應注意的事項提出了建議,並介紹了簡單實用的壩袋搶修技術,對指導橡膠壩科學運行管理,提高橡膠壩的使用壽命具有借鑒作用。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壩高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。This paper studied and analysed the apron and groin actions, protection principles, setting methods, application conditions, and validities, etc. in roadbed protection of road besides river in forest region
摘要研究分析了丁壩和護坦在沿河林區公路路基防護中的作用、防護原理、設置方法、應用條件和有效性問題。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。The result is basically agreed with the calculations and can verified the theory for the stability of earth - rock dams under flood discharge, in the second part of this paper, several kinds of slope - protection materials are studied. according to the material property, a type of new flexible slope - protection material applied to overflow earth - rock dams - rubber panel armoring - is presented
為了研究高土石壩在大單寬流量下的穩定性,本文第二部分主要對幾種不同的土石壩護面材料進行了探討,根據材料的特性和各自的受力特點,提出選用一種新型的柔性護面材料?橡膠板作為土石壩的防護材料。The maopingxi embankment dam ( med ) with an asphaltic concrete core wall, an a - class permanent building, is an important part of three gorges project
茅坪溪防護大壩屬一等一級永久建築物,是三峽工程的重要組成部分。This article uses the fem ( finite element method ) and statistics model to analyze and forecast the stress and deformation of med, combined with the specific practice and safety monitoring of med
本文結合茅坪溪防護大壩的具體施工及安全監測情況,使用有限元方法和統計模型,對茅坪溪防護大壩的應力和變形進行了綜合分析和預測。Is a professional production of highways, railways, bridges, municipal use protective use nets, gelizha ; buildings, bridges, roads, dams, electricity, etc. used in the construction of a large network of films and music board shu network, the supermarket shelves, revolving boxes, bakery network, a large range of products such as pet cage manufacturers
是一家專業生產公路、鐵路、橋梁、市政用的防護用網、隔離柵;樓房、橋梁、路面、堤壩、電力等用的大型網片及建築用舒樂板網、超市貨架、周轉箱、烘烤網、寵物籠等系列產品的大型生產廠家。The computation results indicate that when the earth - rock dam with the straight clay core on thick moraine cover foundation is designed, the design criterion for the earth - rock dam with straight clay core directly built on the bed - rock can be adopted for the design criterion of dynamic stability of dam itself, but the dam feet and the dam clay core feet should be reinforced for static stability
計算結果表明,設計深厚覆蓋層上直心墻土石壩時,大壩自身的動力穩定設計標準可直接採用建設在基巖上的直心墻土石壩的設計標準,而靜力穩定問題應加強大壩壩腳以及心墻兩個底角部的防護。Standard specification for self - adhering polymer modified bituminous sheet materials used as steep roofing underlayment for ice dam protection
冰壩防護用作為陡斜屋面襯底的自粘聚合物改良型瀝青板材料的標準規范( 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。( 3 ) the statistics model is employed to press and analyze the date, which were collected through the security field monitoring, to the stress and deformation of the med, and then these results were compared with fem results, of the med before it was banked to 140m. ( 4 ) the stress and deformation prediction the med has been made both while the dam has been built height of 185m and after the reservoir is full of water
( 3 )茅坪溪防護大壩填築至140米高程時應力和變形安全監測資料分析:使用統計模型對應力和變形安全監測獲取的應力和變形資料進行數據處理和分析,並與茅坪溪防護大壩140米高程以下施工情況下的應力和變形的分析計算結果作出比較。Study on protective measures for groins and its protective means scouring
丁壩沖刷及整流樁防護措施研究Though the flood control engineering system improved the flood control standard and reduce the frequency of flood inundation and enlarger the protected area, but at the same time, the risk of dike broken and dam failed were added. moreover, people found that human living environment become worsen increasingly and the river ecosystem was destroyed
然而,在與洪水斗爭的過程中,人們發現雖然通過大規模的水利工程建設,提高了江河的防洪標準,減少了洪水泛濫的幾率,擴大了防洪保護的范圍,但同時也增加堤防、大壩潰決等的風險,而且人類發現生存環境日益惡化,河流生態系統被破壞等諸多問題。The study consists of construction technologies of rock - fill filling of concrete facing rock - fill dam in negative temperature condition, manufacture and fill of cushion layger, exceedingly frost - resisting property of concrete facing and the protection of concrete facing in winter etc. these technologies have been come up to advanced domestic standards and some gaps in the fields of same technology has been filled in
這些技術包括砼面板堆石壩在負溫條件下壩體堆石填築及墊層料的制備與填築技術、高抗凍性面板砼技術、面板砼的越冬防護技術等。In harsh climate region, mere exists obvious local stress concentration near the upstream and downstream of the exposed - in - winter horizontal surface of the rcc dam, and the surface of spillway bucket though heat insulation is applied on the surfaces, tensile stress still exceeds the allowable one of concrete. this paper puts forward to adopt preset crack to avoid occurring more cracks. the special crack model is applied to simulate the dam preset crack, and the joint model of fracture mechanics is induced into strain - soften model
在結構措施方面,針對嚴寒地區高碾壓混凝土重力壩壩體越冬層面的上、下游面附近及溢流壩堰面反弧段表面有明顯的局部應力集中象現,在已採取一定的表面保溫防護的條件下,拉應力仍然超過混凝土容許拉應力,開裂難以避免,進而提出設置碾壓混凝土壩表面預留縫結構措施並對該措施進行深入研究,包括預留縫的擴展穩定和壩體沿預留縫的穩定性,以避免大壩在無措施部位開裂,解決大壩越冬層面水平施工縫的開裂問題。分享友人