flood section 中文意思是什麼

flood section 解釋
洪水斷面
  • flood : n 1 洪水,水災。2 溢流,漲水,潮水最高點,泛濫,洶涌。3 〈詩〉河,湖,海。4 充溢,豐富;大量,一...
  • section : n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  1. The wushan bank of three gorges reservoir has been divided into floodplain section, changing section from high level to below level and above flood level section

    針對水庫庫岸再造預測的特點,將三峽庫區巫山縣段的巖質庫岸劃分為漫灘段、枯洪水位變幅帶、常見洪水位以上段3種類型。
  2. 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」 。
  3. It was specially pointed out that, when the tail water is constant maximum tide, the computed flood surface is higher than that of nonsteady current, so there is some safety superelevation. underestimation of the roughness will make downward bias to compute along - river surface and bring hidden trouble for flood control. to improve the section can decrease the water level or offset the water rise for increase of floodplains " roughness, but it need much engineering works

    特別提出,按照恆定流計算出來的設計水位比非恆定水位具有一定的安全儲備;而對于灘地糙率的低估又會造成設計水位的偏低,給防洪工作帶來隱患;如果利用改進斷面形式來降低水位或彌補糙率增加帶來的水位抬高,需要較大的工程量,所以平時應注意灘面的減糙管理工作。
  4. Spatial elastoplastic analysis of reinforcing outlets in flood release dam section of tgp

    三峽泄洪壩段孔口配筋方案空間彈塑性分析
  5. ( 5 ) the maximum water level risen by the enclose tideland cultivation around the reservoir is 0. 66m, the responding quality is 2000mvs, which heavily effect the environment around the reservoir. the reservoir " s water level is risen because cross section and flood canal become narrow, which caused by building dam, this makes groundwater unsmooth, drainage, even flow from a lower to a higher space and soil salinized

    66m ,且為2000m 』兒的常年洪水,對庫區周邊環境的影響較大,因打壩築堤縮小過水斷面和行洪通道造成水庫水位進一步抬升,致使庫區周邊灌區地下水排水不暢,乃至倒灌,型成士地鹽堿化。
  6. According to all the sediment peaks of 35 floods observed at each station on the downstream of xiaolangdi, it analyzes the characteristic of delayed sediment peak and establishes a regression equation between sediment peak lag time for each section of xiaolangdi, huayuankou, jiahetan, gaocun, sunkou, aishan and lijin and peak discharge, sediment concentration of the peak, flood propagation velocity and fall velocity of suspended load of the previous station, which can search, make up and extend sediment peak lag time and provide a basis for accurate forecasting on sediment peak travel time of each station on the lower yellow river

    根據小浪底下游各站沙峰均滯後於洪峰的35場洪水,對沙峰滯後於洪峰的特性進行了剖析,建立了小浪底、花園口、夾河灘、高村、孫口、艾山、利津各河段沙峰滯后時間與上站洪峰流量、沙峰含沙量、洪水傳播速度、懸移質泥沙群體沉速之間的回歸方程,可以用來查補延長沙峰滯后時間,為下游各站沙峰傳播時間的準確預報提供依據。
  7. The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated

    本文利用大變形固結有限元分析程序( lscfea )中的小變形平面固結分析單元( sse2 ) ,結合實體工程項目進行了地基固結沉降的有限元計算,分別得出河灘相軟土地基在考慮砂井和未考慮砂井作用下的固結沉降曲線及杭甬高速公路試驗段在高堆載情況下的固結沉降曲線;並對以上曲線特徵進行了分析,得出各時間段曲線斜率、角度在整個斷面的變化規律,以及沉降最大值與斜率、角度變化之間的線性回歸關系。
  8. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好
  9. This article described the deformation features of taojiaba landslide and analyzed the inner factors, geologic setting, topography, morphology, stratum, lithology and texture, and the external influence factors, precipitation, flood, human activity, neotectonic activity and earthquake, and the transform features of landslide in the near future, and evaluate stability of landslide through the section coefficient method calculation on basis for landslide mechanism analysis and control work

    摘要陶家壩滑坡基本特徵顯示,滑坡變形的主要影響因素有:地質環境因素(地形地貌、地層巖性、物質結構) 、外界影響因素(降水因素、洪水因素、人為因素、新構造及地震) ,以及滑坡近期變形特徵,通過剖面遞推系數法計算,對滑坡的穩定性進行了評價,為滑坡機制分析和優化整治措施提供依據。
  10. According to the situations of flood hazards to jingbian - yanshuiguang pipeline, one of the pipeline section of west - to - east gas transmission pipeline, this paper analyzes the cause of flood hazards to this pipeline section and puts forward relative solutions

    摘要結合西氣東輸管道靖邊延水關管段汛期水毀的現場實際,分析了汛期間雨水沖溝、落水洞和局部塌陷等現象出現的原因,闡明了由此引起的對管道安全的影響和危害,並提出了相應的預防和防治措施。
  11. Flood control and regulation of the yellow river at lanzhou section

    疏浚整治河道對珠江三角洲東平水道上段的影響
  12. 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。
  13. 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多道由壩、垛、護岸組成的河道整治工程,對保障防洪安全起到了重要作用。
  14. Because the yili river belongs to plain broad and shallow moving river, the main channel changes greatly and swings to a large range, which leads to river crooked branching river type and s curved, many fork rivers, the river continent and the river beach in river center, alluvial shoal and beach. the width in some section of the river is up to about 3800m. in flood season it causes serious harm to farmland, factories, residents along two sides

    由於伊犁河屬于平原游蕩性寬淺河流,主槽變化不定,擺動幅度極大,河道多呈彎曲分叉河型和s型彎道、多叉河、河心洲,河心灘和沖擊淺灘及邊灘,部分河段河床寬度達3800m ,洪水季節對河道兩岸的田地,工廠,居民等造成極大的危害,素有「三十年河東,三十年河西」之稱。
  15. Analysis on danger causation element of flood control dike critical engineering weakly section in qiqihar

    齊齊哈爾市城市防洪堤險工弱段成險因素分析
  16. With the stage i and stage ii works completed, the river section downstream of lo wu has been improved to the required flood protection standard of " one in 50 years "

    深圳河治理工程計劃的第i及ii期已完成,羅湖下游一段的河道已獲得改善,達到能抵禦五十年一遇暴雨的防洪標準。
  17. 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。
  18. A study on the flood damage treatment technique at chongqing shandong section of national trunk highway no

    國道319重慶山洞段公路水毀處治技術研究
  19. Research on the flood damage treatment technique at shandong section of chongqing of national trunk highway no

    國道319重慶山洞段公路水毀處治技術研究
  20. The dissertation focus on the main conflict of flow and sediment change, by analyzing the flow and sediment features, and change in rivercourse of typical period in histry, collecting the data of riverbed change. according to the flow and sediment change condition, combining the existed water works, and based on the results of former researches, the study are conducted on the law of flow state change by comparing rivercourse conditions before and after the completion of sanmenxia project, which may provide some idea for flow state change when xiaolangdi project completed and put into operation and some basic clue for the prediction of variation trend of river section from tiexie to shendi, from shendi to tieqiao near zhengzhou, from tieqiao near zhengzhou to dongbatou, from dongbatou to gaocun and so on in the year 2010 and the period 2010 to 2020. the result may provide some reference for flood control of these wangdering river sections, and some guidelines for planning of water projects and arrangement of project sequence

    本課題緊緊抓住小浪底水庫運用后水沙變化這一主要矛盾,通過分析研究以往典型時期的水沙特點和河道演變特點,收集分析河床邊界條件變化資料,小浪底水庫運用后水沙資料變化,結合現有河道整治工程建設情況,總結前人的研究成果,重點研究三門峽水庫運用後下遊河道河勢變化的規律和特點,探索小浪底水庫運用後下遊河勢變化情況,分析預測游蕩性河道鐵謝至神堤、神堤至鄭州鐵橋、鄭州鐵橋至東壩頭、東壩頭至高村等各個河段在2010年, 2010年至2020年期間的河勢變化趨勢,為分析游蕩性河段的防洪形勢,指導河道整治工程建設的規劃和工程安排提供決策參考和依據。
分享友人