arch abutment 中文意思是什麼

arch abutment 解釋
拱端
  • arch : n 1 【建築】弓架結構;拱廊;拱門;弓形門;穹窿,拱洞,拱頂。2 弓形,半圓形。vi 1 【建築】作(成)...
  • abutment : n. 1. 鄰接,接界;接合(點)。2. 【建築】橋臺,橋座,支柱。
  1. The first power station of jinping mountain lies in the west section of the yanglongjiang river from santan to shoupagou gully, with a double - curved arch dam of 305 - meter height and a normal water storage of 1880metres. the exposed strata of the damsite are marbles and arenaceous rocks of triassic and solution fissures have been developed in the marbles of the left - bank ' s dam abutment, and they have become a stratum of strong leakage. as a result, it has been an important problem for the dam foundation to stop leakage

    錦屏一級電站位於西雅礱江的三灘至手爬溝河段,壩型為305米高雙曲拱壩,正常蓄水位標高1880米。壩址區出露的地層為三疊系雜谷腦組二段大理巖和三疊系雜谷腦組三段的砂板巖。在勘探過程中,發現左岸壩肩大理巖體中的構造裂隙和溶蝕裂隙發育,且成為強滲透地層,為此壩基的防滲成為重要問題。
  2. ( 2 ) according to the forming model of the deep pull cracks, they can be divided into three classes pulled cracks -, pressed cracks and sheared cracks. ( 3 ) based on the two - dimensional and three - dimensional finite element methods. the following results can be affirmed : in the slope excavating process, the base surface will rebound in the direction of the excavating surface ' s excerior normal. the maximal displacements of the left and right bank are + 3. 6cm and + 2. 4cm ; the arch abutment will rebound in the direction of the river valley, the maximal displacements of the two bank are + 3. 5cm and + 2. 2cm ; the upstream and downstream surface will rebound in the direction of the normal direction. the maximal displacements are + 2. 1cm and + 1. 7cm. ( 4 ) the natural slope is stable

    ( 3 )通過二維及三維有限元分析得知,左右岸拱肩槽邊坡在開挖過程中,開挖底面主要表現為朝開挖面外法線方向發生回彈,左右岸最大位移量分別為+ 3 . 6cm 、 + 2 . 4cm ;拱端面主要表現為向河谷方向發生側向回彈,左右岸最大位移量分別為+ 3 . 5cm 、 + 2 . 2cm ;上下游坡面主要表現為向臨空方向的回彈,左右岸最大位移量分別為+ 2 . 1cm 、 + 1 . 7cm ;開挖使巖體產生由卸荷回彈導致的傾倒拉裂現象。
  3. Give an example, for a built arch dam, the paper worked out calculational programme based on the calculational model and calculate the reliability index of abutment with simple and double quadrature method

    對於一已建成的拱壩,利用這一計算模型,採用改進一次二階矩法,編制電算程序,計算該拱壩壩肩巖體的可靠指標。
  4. The research fruits in this article can provide the temperature isoline map of crown cantilever section and central longitudinal section of the dam, the stress isoline map of crown cantilever section and upstream and downstream surfaces of the dam, the maximal and minimal stress distribution map in dam abutment along with the height of dam, the maximal and minimal stress table of typical nodes and the maximal and minimal stress table in different elevations, and also provide reference basis for taking relative temperature control measures in the design and construction of rcc arch dam

    本文研究成果可給出壩體的拱冠梁剖面和壩體中心縱剖面的溫度等值線圖、拱冠梁剖面和壩體上下游面應力等值線圖、壩肩最大最小應力沿壩高的分佈曲線、不同高程處典型點的最大最小應力值表以及不同高程處最大最小應力值表等成果,為碾壓混凝土拱壩的設計和施工中採取相應的溫控措施提供了參考依據。
  5. Analysis on the reliability of the arch dam abutment stability based on stochastic finite element

    基於隨機有限元的拱壩壩肩穩定可靠度分析
  6. It is pointed out that the stability of the dam abutment is a key factor affecting the safety of concrete arch dams

    摘要指出可能影響混凝土拱壩安全的關鍵點為拱壩壩肩的穩定。
  7. Because of limit that invisibility and discommodious in anciently program, based on the method of limited rigid body equilibrium, using visual program language vb and connect autocad, realize plane and solid programme of abutment analysis of arch dam, provide alternation interface for designer. presently, our country constructing and will construct high 300m arch dam, it is important to judge security based on nonlinear fem analysis. basic theory of nonlinear fem analysis and its realization in ansys were studied

    針對傳統程序的存在問題,非直觀、不易操作特點,以剛體極限平衡法為基本分析方法, visualbasic作為操作平臺,結合autocad圖形軟體,完成了剛體極限平衡法二維、三維壩肩穩定分析程序設計,使之具有直觀性,可視性、易操作性,為設計人員提供了具有友好界面的工程使用軟體目前我國西部在建和將建一批300m級的高拱壩,運用有限元方法計分析拱壩穩定性、評判大壩安全度十分有必要。
  8. The influence of the stiffness of the gravity abutment on the stress of the arch dam is also analyzed

    討論了重力墩的剛度對拱壩壩體應力的影響。
  9. Abstract this paper is mainly concerned with the reliability analysis of a gravity abutment of an arch dam based on conception of reliability

    本文主要討論的是拱壩重力墩的可靠度分析。
  10. Based on the stochastic finite element method, the reliability of the arch dam gravity abutment is analyzed, and the corresponding reliability index is calculated

    然後在隨機有限元的基礎上進行拱壩的拱座? ?重力墩的強度和抗滑穩定可靠度分析,計算相應的可靠指標。
  11. Finally, some significance conclusions are drawn through the gravity abutment of a double - curvature arch dam analyzed and calculated. the results can be referred to actual engineering

    最後對一雙曲拱壩重力墩編程計算和分析,得出了一些有益的結論,可供實際工程參考和應用。
  12. Moreover, based on routine research method on abutment stability, non - linear finite element shear strengthes reducing by step iteration method is put forward in this paper, which is also applied in the analysis of abutment stability of tengzigou arch dam successfully

    在此基礎上,介紹了非線性有限元強度折減迭代解法,探討了復雜地基上拱壩整體穩定安全度的評價方法,並應用於藤子溝拱壩穩定安全度評價。
  13. Arch dam, which is fastened to the base rock, is a high _ order, hyperstatic, spacial body case structure. it has not only arch function but also girder function, but its main loads are passed to each dam abutment by means of arch function

    拱壩是固結于基巖的高次超靜定空間殼體結構,既有拱作用又有梁作用,其主要荷載是通過拱的作用傳到兩岸壩肩。
  14. According to the instance of the arch dam built, take the discount quotiety, the verification flood water level, the frictional quotiety and, the agglomerate force and as stochastic variable quotiety, calculate the reliability index of the abutment with the calculational programme after the average value and variable quotiety is known

    對于所取的拱壩實例,以揚壓力折減系數,校核洪水位,摩擦系數、 ,凝聚力、為隨機變量,在已知其均值並設定變異系數的前提下,利用電算程序計算其壩肩巖體的可靠指標。
  15. Abstract : the comprehensive fem analysis for the shimen arch dam and its abutment is carried out as an example to demonstrate the proposed method utilizing the monitoring data for calculation. based on teh back analysis of permeability coefficient and tensile strength of the seam between dam and foundation, the 3 | d seepage flow and elastoplastic fem analysis of arch dam and its abutment are conducted. the safety factor against sliding of arch dam is determined using some different methods to verify the stability of the dam

    文摘:本文以石門拱壩為例,說明基於原觀資料進行拱壩及其基礎的綜合分析的方法.內容包括:在反演擬合滲透系數和壩與基巖接觸面的抗拉強度參數的基礎上,進行壩址區三維滲流場分析、拱壩與基礎的三維線彈性、彈塑性力學分析,並用多種方法探求了拱壩抗滑穩定安全系數
  16. Analysis of arch dam - abutment stability by 3d deformable distinct elements

    壩肩三維可變形離散元整體穩定分析
  17. Based on the theories of finite element and reliability, the basic idea about application of the stochastic finite element method used to analyze the abutment stability against sliding of the arch dam is presented in this paper

    本文以有限元理論和可靠度理論為基礎,提出了應用於拱壩壩肩抗滑穩定分析的隨機有限元的基本思路。
  18. 3. based on the topography and geologic character of niutoushan arch dam abutment and base, and the interlayer and internal faults, which control the stability of the project, we build the three - dimensional geomechanical model and carry out the upto failure test by overload method. 4

    結合牛頭山拱壩壩肩壩基的地形、地質特徵,以及對穩定起控製作用的層間、層內斷層的分佈狀況,建立了三維地質力學模型,運用超載法對整體模型進行了破壞試驗。
  19. In this paper, author has a summary to method of stability of arch dam abutment, research method of limited rigid body equilibrium and nonlinear fem simulation analysis for arch dam designs based on ansys

    本文對拱壩壩肩穩定分析方法進行概述,較為深入的研究了剛體極限平衡法,以及非線性有限元在ansys中的運用。
  20. Then, were discussed the methods of stability analysis including the stability criterion of arch dam and its abutment, with attention being focused on rigid limited equilibrium method and fem and the comparison of their advantages and disadvantages

    接著,探討比較了拱壩壩肩穩定分析方法,重點介紹了剛體極限平衡法和有限元法,比較了它們的優缺點,簡單論述了壩肩穩定的失穩判據。
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