防沖刷的 的英文怎麼說
中文拼音 [fángchōngshuāde]
防沖刷的
英文
anti scour-
As for site selection, most villages in the guibei area are sited on flat, sunny and draughty river valleys or sloping fields, which can prevent the villages from being washed out by flood
桂北的村寨多選址于能防止山洪沖刷,朝向和通風良好的高山陽坡及依傍河谷的平坦地帶。With the research on design and construction specifications of subgrade slope protection, the author in this paper, based on the success experiences of subgrade slope protection all over the country, and considers the advanced technology and experience of abroad, analyzes the slope distress types and causes, and studies systemically the applicability and structure character of these slope protection model, then recommends the typical slope protection model which can used in the most area of our country ; according to the analysis and researches on the types of slope protection, this paper states selection principle of slope protection ; to get the statistical relations between slope surface erosion volumes and related factors, grasp the law of slope surface erosion on the whole, the simulate test of slope surface erosion is done in laboratory ; the drawing library software of typical slope protection is programmed by application the skill of autocad 2000 redevelopment and the tool of vba
本文結合《路基邊坡防護設計與施工技術規范》課題的研究,在分析總結全國各地邊坡防護設計、施工方面的成功經驗的基礎上,借鑒發達國家公路路基邊坡防護的先進經驗和技術,剖析了路基邊坡的病害類型和原因,對各種類型的適用性及構造范圍進行了系統全面地研究;推薦出了適合我國大部分地區的邊坡防護型式;提出了防護類型選擇的原則;進行了室內邊坡坡面沖刷模擬試驗,得出填方路基坡面沖刷量與有關因素的統計關系,從宏觀上了解坡面沖刷的主要規律;應用autocad2000二次開發技術,運用vba開發工具,開發了邊坡典型防護型式圖庫。An additive that disperses bubbles that may form in offset dampening solution or screen printing inks during printing. antifoaming agents are also added to plate developers and processors
中義抑制印刷中的平版水槽液或網版油墨空氣泡?的產生,防泡?劑也會加在印版顯影劑或沖版機中。In order to eliminate the hidden trouble caused by storm runoff erosion, the mechanism of the storm runoff erosion on the slope surface of the yellow river dykes has been studied in this thesis. through the simulation rainfall experiments and field observations, the formation mechanism of storm runoff scouring, rills and sockets have been opened up. meanwhile the possible control measures have been suggested
為了防治黃河大堤由於暴雨徑流沖刷造成的不安全隱患,本文針對黃河大堤上的暴雨徑流侵蝕進行了實地設站觀測及室內模擬降雨侵蝕試驗,通過揭示大堤暴雨沖刷過程機理,查清水溝、水穴(浪窩)等的成因,提出相應的防治對策。It is conclued that the filter layer can protect the core wall of earth - rock dam from flow erosion
結果表明,寬度不大的裂縫在合適的反濾層保護下,能防止心墻土體被水流沖刷。This paper summarize the estuary sediment management methods also, analyze and the following aspects and give evaluations : estuary dredging and lead the flow, lead water to scour the river channel, build the xihekou reservoir, estuary gate deposition management, dike reinforced etc
本文還對河口泥沙的處理途徑和措施進行了概括總結,對河口疏浚與導流、引海水沖刷河道、建設西河口水利樞紐、攔門沙治理、人工有計劃改道和出漢、加高堤防和加固防護工程和挖河固堤工程等進行了分析評價。In the general design and analysis methods for problems of the breakwater stability, the concept of compositive safety factors is used usually. however, floodwater, storm wave and beach erosion as well as properties of soil medium are always random, which may have uncertainties
在防浪堤壩的設計中,傳統的安全性能分析方法採用綜合的安全系數概念,但洪水、風浪、河道沖刷、土力學特性等因子都是隨機性的,具有一定的不確定性。Many geological and hydrological factors of the river section, where the yellow river water intake engineering is laid out, such as the capacity of the reservoirs along the river section upstream and downstream, the rate of the flow discharge, the erosion and silt of the watercourse, the form of the riverbed and the water current, ice tuck, the convergence of the upstream branches of the river section, flood crest, sand crest size, the capacity for flood discharge of the watercourse, the effect of flood control structure around and the impacts on surrounding environment and the third person " s legitimate rights and interests, should be considered
黃河取水工程的布設要考慮工程所處河段的地質水文等諸多因素。如該河段上下游水庫的庫容,泄水流量、河道沖刷、淤積、河床形態、水流形態、冰塞、河段上游的支流匯入、洪峰、沙峰的大小、河道行洪能力的大小、周圍防洪工程的影響及對周圍環境和第三人合法權益的影響等等。Protection : it can prevent riverbank from strong wind and heavy rain. besides, it can protect dam and the bottom of river and prevent the loss of sand
防護作用:防止堤巖受風,浪,雨的沖刷,並可用於護岸,護坡,護底,防止水土流失。Based on the analysis of satellite images of various periods, landform data and river channel transverse section evolution in the lower yellow river, the characteristics of the river channel boundary condition changes at different location are clarified as middle flood channel flood transport width and area are evidently decreased especially for the main channel with comparison to 1950s, beach area that is unimpeded before become blocked because of road, irrigation channel constructed on it, and consequently intensify high edge of beach and lowering dyke and river
在現場查勘的基礎上,通過對丹江口水庫和小浪底水庫攔沙初期下遊河道演變、排洪能力變化特點的對比,分析了黃河下游防洪面臨的新形勢:小浪底水庫攔沙初期,下遊河道發生沖刷,但艾山以下窄河段沖淤變化不大,近年來形成的淤積萎縮的狀況難以很快改觀,游蕩性河段調整劇烈,工程出險機遇增大,河道水位流量關系中水流量以下部分同流量水位明顯降低,中水流量以上部分水位降低幅度可能會明顯偏小,防洪形勢仍不容樂觀。The reason to creates this kind of destruction to be very many, the main of them is that the apron partially has not been able fully to display it to eliminate energy affect so causes the ditch bed to wash out, forms flushes the pit, leading to the apron, to guard against flushes the trough and both banks slope protection destruction, for a long time, disappear power design of plunge basin and layout have been focused on disappear power. but not to give the enough value on uses the sea to inundate the section to disappear power and adjust speed to reduced downriver washes out
水閘閘下沖刷破壞的部位絕大多數發生在消力池下的海漫和防沖槽處,造成這種破壞的原因很多,其中很大一部分是由於海漫部分未能充分發揮其消能作用而引起渠床沖刷,形成沖坑,導致海漫、防沖槽及兩岸護坡的破壞。一直以來,人們把消能的研究重點放在消力池的消能設計及平面布置上,而對海漫段消能及調整流速功能研究甚少,至於對海漫加糙水流運動建立數學模型,在國內外還很少見相關的論文資料。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。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。( 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。According to features of diffcult anti - washing construction of pier foundation under compley hydroraphic, gological, and water potential conditions, combining construction condition methods, author analyze and conclude key points and difficulties of anti - washing construction of the fourth main pier of great sutong bridge, and difficulties in construction and relevant countermeasures
摘要針對在復雜的水文、地質、河勢條件下進行橋墩基礎沖刷防護施工難度大的特點,結合施工工藝和方法,對蘇通大橋主橋4號主塔墩沖刷防護施工中的重點難點、施工中出現的不利隋況及應對措施進行了分析研究。The research presents that the reliability method based on the probability analysis for seepage and erosion stability of levee project is more scientific and more reasonable for seepage safety of dikes
研究表明,對防護堤壩的抗滲穩定性和抗沖刷穩定性進行可靠性的概率分析是一種更科學、更合理的堤壩安全性分析方法。There are many reasons of causing destruction of erosion. apron do n ' t give full play to eliminating reminder of energy and adjusting velocity of flow in order to avoid or decrease erosion is one of them
沖刷破壞的原因很多,其中,海漫未能充分發揮其進一步消除余能、調整流速以減小或防止下游的沖刷作用,也是原因之一。分享友人