壩的厚度 的英文怎麼說
中文拼音 [bàdehòudù]
壩的厚度
英文
thickness of dam-
( 3 ) ensemble character of structural planes as follows : in left dam abutment, meta basalt schistosity is main, and the structure is clockwise. low dip angle jointing did n ' t develop in rock mass ; in right dam abutment, rupture and jointing structural plane is main, and the structure is reversed. the structure was of obvious macroscopical slaty character
( 3 )通過對上述結構面的分析,得出其總體特徵為:左壩肩以變玄武巖片理為主體,呈順向結構,巖體內緩傾角節理極不發育;右壩肩主要為斷裂及節理型結構面,呈反向結構,且具有明顯的宏觀板狀結構特徵,並發育有一定厚度的構造軟巖帶。The rock types comprise the delta front subfacies subaqueous distributary channel, channel - mouth bar and distal bar microfacies, and delta plain subfacies subaerial distributary channel microfacies sandstones and siltstones. as for the reservoir quality, the subaqueous ( subaerial ) distributary microfacies channel sandstones are the first, the channel - mouth bar microfacies sandstones come second, the distal bar microfacies sandstones is the third, and the last one is the interdistributary bay microfacies sandstones. the intense compaction, pressure solution and late carbonate cementation are responsible for the reduction of the porosity and permeability of the reservoir rocks
三角洲前緣水下分流河道、河口砂壩、遠砂壩及三角洲平原水上分流河道微相決定了儲集巖的發育,分佈及原始物性條件;水下(上)分流河道微相砂體厚度大、物性和孔隙結構好,次之為河口砂壩微相砂體,遠砂壩微相砂體儲集性較差,而分流伺灣微相砂體物性和孔隙結構最差。Hada mountain embankment dam is located at strong motion earthquake area with 7 degree. it is a sand - fill dam with clay core, stability of the dam under earthquake and the preventive of foundation liquescence is very important for the dam design
哈達山土壩是位於七度地震區,坐落在厚覆蓋層上的粘土心墻砂殼壩,壩體的抗震穩定、基礎的抗震液化是本工程的技術關鍵問題。According to the geometrical characteristic of the arch dam shape, and based on the parameter design language of ansys software ( apdl ), the subp method and the stochastic search method are adopted together to optimize design of hyperbolic arch dam with variable thicknesses of the circle
摘要根據拱壩體形的幾何特徵,基於ansys軟體的參數化設計語言( apdl ) ,將零階近似方法和隨機搜索法結合起來對單圓心變厚度雙曲拱壩進行了優化設計。Taking the earth - rock dams with straight clay core constructed on thick moraine cover foundation and directly built on bed - rocks with the same sizes and the same materials for example, two - dimensional dynamic fem programme is used to contrast and analyze the static stress distribution and dynamic response difference of two types of high earth - rock dams in the intensive earthquake zones
摘要以相同尺度和相同材料的建造在深厚覆蓋層上直心墻土石壩和直接建設在基巖上的直心墻土石壩為例,採用二維動力有限元程序對比和分析了強震區兩種高土石壩的靜應力分佈和動力反應的差異。In order to simulate the construction process and the effect of concrete pouring temperature and outside temperature on temperature field and thermal stress field in the dam, temperature field and thermal stress field are calculated layer by layer. the calculation step during construction is 0. 25 day, and during operation the diffusion of hydration heat of concrete is over and elastic modulus is basically stable, changeable step is used
為了研究施工進度、混凝土澆築溫度、外界溫度對壩體溫度場和應力場的影響,按碾壓混凝土施工方法每澆築一層(層厚0 . 3m ,澆築時間6小時)計算一次溫度場和應力場,這樣,施工期計算步長為0 . 25天,運行期因混凝土水化發熱已結束,且彈模基本穩定,故採用變步長計算。Thirdly, because the depth of the seepage prevention wall of xia ban di dam project has the value of 85m which is the maximum depth in the dam projects in our country, the stress state of the seepage prevention wall is very complicated, the influence of nine modulus for nine kinds of seepage prevention wall material on the stress and displacement of the seepage prevention wall is studied and the rule of the change of stress and displacement with the change of characteristic parameters for seepage prevention wall under time of engineering completion and water impounding operation period is given in this paper
第三,鑒于大壩基礎混凝土防滲墻深度達85m ,厚度僅為1 . 0m ,防滲規模和工程難度為國內之最,墻體應力比較復雜,本文研究了大壩施工填築竣工期、水庫蓄水運行期防滲墻的應力和變形隨墻體參數的變化而變化的規律,為大壩安全設計及防滲墻墻體材料的選擇提供了理論依據。4. combined with the design of the three gorges prestressed concrete penstock with steel liner in the three gorges power. station, the consistence among the results of theory calculating, the analysis of plane finite element and three dimensional finite element is proved, the concrete stress distributions of the prestressed concrete penstock are analyzed with different steel liner thicknesses, different crack resistances, different concrete thicknesses and different initial radial gaps between steel liner and concrete. the feasibility of the design method of prestressed concrete penstock with steel liner is proved
結合三峽電站鋼襯預應力混凝土聯合受力壓力管道的設計方案選擇及論證分析,對比分析了鋼襯預應力混凝土壓力管道理論計算、平面有限元和管壩整體三維有限元分析結果的一致性,確定了管道結構在不同鋼襯厚度、不同抗裂度要求、不同外包混凝土厚度及不同鋼襯與管壁混凝土間初始徑向間隙等因素影響下的內力分佈規律,驗證了鋼襯預應力混凝土壓力管道的設計方法。Three kinds of joint elements for finite element analysis of temperature field are given, ie, the joint element with finite thickness, the joint element with nearly zero thickness and the simplified joint element
摘要目前混凝土壩的模擬分析正從單壩段模擬向全壩模擬發展,因而需要採用接縫單元,筆者給出三種溫度場接縫單元的計算模型:有限厚度接縫單元、近零厚度接縫單元及簡化接縫單元。Introduces some anti - seepage high embankment dams in the world with bitumen concrete inclined core wall, and analyzes, taking the existing maopingxi embankment dam as an example, the effect of slope thereof on the stress and deformation of the wall by non - linear adhesive elastic finite element calculation changing the type and thickness of the core wall
摘要介紹世界上幾座瀝青混凝土斜心墻防滲高土石壩,並結合國內已建的茅坪溪瀝青混凝土心墻壩,通過改變其心墻形式和厚度,並用非線性粘彈性有限元對其進行計算分析,探討了斜心墻的傾斜斜率對心墻的應力與變形的影響。For different upstream conditions, thickness of sediment in the permeable pile dike region may reach 0. 67 m, and largest thickness is nearly 1. 9 m, and largest width reaches 1 km
不同入流條件下的主過流區壩段的灘面淤積體厚度可達到0 . 67m以上,最大厚度可接近1 . 9m ,淤積體最大寬度可達1km 。Analysis and study are carried out in the article on the thickness selection of cast asphalt concrete core and transition layers, the connections of core to dam foundation and concrete structures, the types of connection and questions to core between different dam foundations and concrete structures are given also
本論文中對澆築式瀝青混凝土心墻和過渡層的厚度選擇,心墻與壩基、混凝土建築物的連接也做了分析、研究,提出了心墻與不同壩基和不同混凝土建築物相適宜的連接型式和應注意的問題。The effect of cold wave, layer thickness of construct and sluice to temperature field and stress field are studied. this paper analysis the effect of the first stage cooling and the second stage cooling. pertinent measures of temperature control and crack prevention are suggested, settling the practice problems in projects
重點研究了寒潮、澆築層厚和蓄水等對拱壩混凝土溫度場和應力場的影響;對壩體一期冷卻和二期冷卻的冷卻效果進行了詳細分析;並針對性地提出了相應的溫控防裂措施,以解決工程實際問題。The proposed formula is in accordance with the old one, and the affect of nonlinear material properties of concrete and steel bars is considered by an adjusting coefficient. 6 ) based on theoretical and experimental research on material characters of steel fibered reinforced concrete, a finite element model for nonlinear analysis of steel fiber reinforced ( sfrc ) structures is presented. two - dimensional analysis on various sections of the orifice in the xiao wan arch dam is carried out
6 )根據已有的鋼纖維混凝土基本理論和試驗研究成果,建立了鋼纖維混凝土( sfrc )的有限元模型,對小灣拱壩的1 ~ #底孔斷面進行了非線性分析,研究了大連理工大學博士學位論文採用不同厚度的鋼纖維混凝上增強層和不同摻量的鋼纖維對孔口抗裂、限裂性能的影響。分享友人