堰體 的英文怎麼說
中文拼音 [yàntǐ]-
On the basis of collecting and arranging a large amount of projects experience, conbined with construction diversion flood passing measures design and hydraulic model test of lihua hydraulic pawer station in 1995 and 1996, the dissertation studies the issues related with characteristics of concrete face rockfill dam including the selection of construction diversion flood passing standard and measures, flood passing during construction period and embankment stage, coffer dam design, construction scheme and general schedule etc. and present preference for project construction
本文在搜集整理大量工程經驗的基礎上,結合蓮花水電站在1995年及1996年導流渡汛工程措施設計及水工模型試驗,對混凝土面板堆石壩的導流渡汛標準、導流方式及其選擇、施工期渡汛及壩體填築分期、圍堰設計以及施工方案及總進度等與混凝土面板堆石壩特點有關的問題進行研究,為工程建設提供一定的參考。Two numerating methods are used in traditional structural design of gate chamber. first, considering the gate frusta to be fastened on the weir body, it is calculated as plane stress problem independently. then applying the results ( moment and vertical force ) on the bottom of gate frusta as concentrating load on the weir body, and the weir body is viewed as a elastic foundation beam or plate and unilateral stress analysis was performed
傳統閘室結構計算有兩種計算方法,其一是將閘墩視為固端于堰體上,單獨進行閘墩平面受力計算,再將閘墩下部的計算結果(彎矩和垂直力)作為集中荷載作用於堰體上,堰體作為彈性地基梁或板進行片面應力計算。Liquid flow measurement in open channels. flat - v weirs
明渠液體流量的測量. v形平面溢流堰There exist problems of driving training in shiyan, such as inferiority in training, non - qualified training teachers, non - scientific mangement system, outnumbered training schools and non - strick regulations
摘要十堰市的駕培行業存在較多問題,主要有駕校培訓質量差、教練員素質不高、管理上體制不順、駕校總童失控、開業把關不嚴等。According to the requirements on shanghai central town and " back yard garden " of jinshan new urban area, the overall planning of zhangyan town has been finished
按照上海市中心鎮和金山新城區「后花園」的要求,張堰鎮總體規劃已經完成。The ancient project consists of three major projects, namely the yuzui water - dividing dike, the feishayan spillway and the baopingkou water inlet as well as some sub - project baizhang dike, shunshui dike at erwang temple and renzi dike
渠首工程由魚嘴分水堤、飛沙堰溢洪道、寶瓶口引水口三大主體工程和百丈堤,二王廟順水堤、人字堤等主要附屬工程組成。( 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 )堰塞壩體的潰決引起岷江下游環境的變化,因此保護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。Liquid flow measurement in open channels. round - nose horizontal broad - crested weirs
明渠液體流量測量.圓頭水平寬頂堰The system skillfully takes advantage of the naturltopography and the eurved waterflowing pattern om the middle reach of the mingjiang river, thus combining water - bifurcation, flood - diversion, sand - dredging and water - controlling as a whole gravity irrigation system, which guarantees the chengdu plain a land of abundance
都江堰巧妙利用岷江出山口處的地形、水脈、水勢、乘勢利導,使堤防、分水、泄洪、排沙、控流相互依存,共為體系,保證了防洪、灌溉、水運和用水綜合效益的發揮,孕育了舉世聞名的「天府之國」 。Through being developed for nearly half a century, automobile industry of the whole province has formed a industrial pattern focusing on dongfeng automobile company supported by defense industry enterprises and local enterprises, entire vehicle products covering complete supporting for medium vehicles, heavy duty vehicles, light duty vehicles, sedans, midget vehicles, special vehicles and auto parts, and automobile belt and components belt alongside han river from shiyan, xiangfan, suizhou to wuhan and changjiang river from jingzhou to huangshi have been formed
經過近半個世紀的發展,全省汽車工業已形成了以東風汽車公司為主體,軍工企業、地方企業為依託,整車產品涵蓋中、重、輕、轎、微、專及汽車零部件配套齊全的產業格局,形成了從十堰、襄樊、隨州到武漢沿漢江沿線和從荊州到黃石沿長江沿線的兩條汽車及零部件集聚帶。It founds natural heightening theory for warping dams and puts forward specific way of diversion, measures for preventing dam eroded and design for energy dissipation and flood storage of cofferdams and sedimentation and dewatering through exploration and study on deposition in front of natural formed dam and the techniques of building dam through hydraulic filling
通過對天然聚湫壩體前的淤積和「水力沖填」築壩技術的探索和研究,創立了淤地壩壩體自然加高的理論,並提出了具體的導流方式、壩體防沖措施及圍堰消能蓄洪、留淤脫水設計。This paper analyzes and explores stress strain model and principle of the project of concrete diaphragm wall after concluding other engineers and project practices and describing the seepage and deformation character of the plastic concrete used in the cofferdam of the second stage of the three gorges project. we analyze and forecast the change trend by using mathematics statistics regression, then we get the best regression equation. finished it, we used this way to the cofferdam of the second stage of the three gorges project. it proves that the method which i have introduce in this article is effective for the stability of concrete diaphragm wall and it is also a valid for supervising cofferdam security after using it in many projects
本文在總結前人和其他工程實踐的基礎上,結合三峽二期土石圍堰實例綜合分析塑性混凝土防滲墻的滲透和變形特性,對三峽二期圍堰砼防滲墻的應力應變模型、原理進行了分析、探討,在監測分析資料的基礎上進行數學統計回歸分析,並對變形進行預測,通過對砼防滲墻及堰體的應力應變監測數據進行數學統計回歸分析,得出了最佳回歸方程,並對三峽二期圍堰變形進行預測,達到了對圍堰安全性監測評價的最佳效果。Hydrometric determinations - flow measurement in open channels using structures - flat - v weirs
比重測定.構造物的明渠液體流量測量. v形平面溢流堰The new construction technique applied to the huge steel boxed cofferdam for foundation of pylon pier no. 2 of wuhan tianxingzhou changjiang river rail - cum - road bridge was to fabricate the cofferdam in integrity in workshop, shift it down to river and float it to the pier site where it is then accurately positioned by pre - tensioning at the anchor pier
摘要武漢天興洲公鐵兩用長江大橋2號主塔墩基礎大型鋼吊箱圍堰採用工廠整體製造,下河浮運至墩位,利用錨墩施加預拉力精確定位的施工新工藝。The effect of gas rates, liquid flow - rates, downcomer width, weir height and the addition of surface active agent on the liquid mean residence time, t, effective diffusion coefficient, de, and froth height, hf were studied. results obtained showed that for two systems, the t in the downcomer of ctst plate is 20 - 50 % smaller than that of fl valve plate, and the de is 40 - 70 % smaller than that of fl valve plate
通過對氣速、液體流量、降液管寬度、堰高和表面活性劑加入的影響進行分析得出下面結論:在相同的操作條件下,對于兩種物系, ctst塔板降液管的液體停留時間比f1浮閥塔板的約小20 50 ,有效擴散系數比f1浮閥塔板的小40 70 ,泡沫高度低110 150mm 。As one of the three main parts of the dujiangyan irrigation system, it controls the water that flows into the baopingkou water inlet and discharges flood and sand with its top graphical feature
巧妙利用河道地形的泄洪排沙工程,為控制內江進水量的關鍵所在,是都江堰渠首工程三大主體之一。Preliminary analysis on seepage discharge of closure dike
截流戧堤堰體滲流量初步研究However, the above method is not applicable for the gate chamber when the foundation of weir body is " high - low foot "
然而對于堰體基礎呈「高低腳」的閘室,該方法很不適用。Shankou spillway project has many specific characteristics, for example, the gate frusta and weir body have equivalent thickness, the weir body is low and have corridor, the foundation of the weir body is " high - low foot " " and the side frusta is also used as retain wall. in view of the characteristics, to better analyze the stress distribution on weir body, gate frusta, the joints between gate chamber and weir body, under the condition that the gate chamber is applied with asymmetrical loads and complicated constraints, three dimensional finite element method is applied in this paper
本文針對山口溢洪道閘墩與堰體底板厚度相當,堰體為低堰且設有廊道、堰體建基面「高低腳」及邊墩兼作擋土墻等具體特點,在閘室設計中采山口水利樞紐工程溢洪道閘室三維有限元整體應力計算分析用三維有限元整體應力計算方法分析閘室的受力狀態,分析閘室在荷載不對稱。For the structure that the side - frusta is also used as retain wall, considering the side frusta fastened on the weir body, the plane stress is calculated at first. then the moments, horizontal shear force and vertical force on the bottom of the retain wall are applied as fixate, and stress distribution on the weir body are calculated piecewise
對于邊墩兼作擋上墻結構,通常是將邊墩視為固端于巖體上,先進行下端為固端的擋墻平面受力計算,再將擋墻下部的彎矩、水平剪力和垂直力作為集中外荷載進行堰體的應力計算,堰體也只能分段進行片面受力計算。分享友人