拱壓力 的英文怎麼說

中文拼音 [gǒng]
拱壓力 英文
arch pressure
  • : Ⅰ動詞1 (兩手相合 臂的前部上舉) cup one hand in the other before the chest 2 (環繞) encircle; ...
  • : 壓構詞成分。
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. And pressures are growing from the less affluent parents who often cannot even think of sending a gifted child to university at all

    來自那些以前沒獲利多少的學校的也很大,他們怎麼可能將自己的孩子手讓人?
  2. Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied

    基於creen公式和薄翼理論假設導出的升面方法,採用在螺旋槳弧面上分佈離散渦、源布置方法預報均勻流場中的螺旋槳的定常性能,螺旋槳尾渦面上連續性條件採用近似的kutta條件處理。
  3. Similar physical simulative study in state of pressure equilibrium and arch stress

    平衡狀態相似物理模擬研究
  4. The plane - wave analytic solution of the coupled fluid - air - solid system and the fem model of air cushion isolations are applied to study the influence of air cushion on earthquake response of dams. the calculations show that air isolation will reduce the hydrodynamic pressure significantly and restrain the dam vibrations during earthquakes. if the dam and reservoir is isolated by air cushions, it will decrease the hydrodynamic pressures by more than 90 % and the seismic stresses by 20 - 30 %

    將本文首次提出的水體-氣體-結構系統的平面波作用理論解和三維有限元模型,應用於溪洛渡雙曲壩的抗震安全性和氣幕隔震可行性研究中,表明氣幕對高壩具有良好的隔震性能,可降低動水90以上,壩體地震20 30 ,減震效果顯著,並使壩體的抗拉安全系數從0 . 93提高到3 . 58 。
  5. The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized

    它利用肋承擔,系梁預應束抵抗端推,吊桿及縱橫橋面系結構承受橋面荷載,既克服了傳統橋巨大的端推,又改善了連續梁橋較大的彎矩和剪的受狀況,最大限度地發揮了梁混凝土和預應鋼筋各自的特點,經濟效益顯著。
  6. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下: ( 1 )以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類,並確定了軟弱夾層分佈距離; ( 2 )根據強度等效和變形等效的原則,引入了軟弱夾層影響帶的概念,建立了模擬軟弱夾層厚度的一種新方法; ( 3 )總結出了軟弱夾層分佈在頂、右肩、右邊墻時對地下洞室穩定性影響的量化指標; ( 4 )分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標; ( 5 )總結出了在不同的側系數( 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 )地應場中軟弱夾層對穩定性影響的量化指標; ( 6 )得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果; ( 7 )根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  7. One flares its wings and arches its back in a dramatic threat display to relieve the tension of crowding

    有一隻丹頂鶴展翅背,擺出威嚇的姿態以紓解擁擠的
  8. With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is

    分析得出,隨著側系數的增大,主應量值減小,主應方位難改變;隨著與斷層走向的夾角增大,主應量值增大,應方向難改變:隨著巖石的彈性模量的增大,主應量值增大,方向變化越大;隨著泊松比的增大,主應量值減小,方位變化越大。隨著側系數的增大,頂、底處的各應值增大,腰處的主應減小,剪應增大,側處的各主應減小,同一側系數的條件下圍巖質量越差,各應值也越小;隨著洞室埋深的增加,圍巖也增大,圍巖質量越差,其應值也減小。
  9. Study on arch action and earth pressure theory for culverts under high embankment

    山區公路高填方涵洞的成效應及土計算理論研究
  10. Abstract : this paper introduces the global stiffness, strength and stability of bracing structure with long span, pointing out that the control of bracing structure ' s deflection and elastic module can make the arch ring fit the line of pressure and arch axis and can guarantee the stability of bridge structure

    文摘:本文介紹了大跨度支撐結構的整體剛度、強度和穩定性,控制支撐的撓度和彈性變量可使圈符合設計線與軸線,保證橋梁結構的穩定性。
  11. Finally, the thesis primarily sets up the internal force model of the supporting structure system in the bi - arch tunnel, namely, the distribution model of the surrounding rock ' s pressure, the internal force model of the steel framework and the axial force model of the anchor bolt, and these results can have the guiding significance to the design and construction of the similar tunnel engineering

    最後,結合有限元的理論計算及現場實測數據的分析,初步建立了雙連隧道支護結構體系的內模型,即:圍巖土模型、初期支護鋼架內(主要為軸和彎矩)模型以及錨桿軸模型。充分理解和闡述了構件的工作狀態,對今後類似隧道工程的設計和施工具有一定的指導意義。
  12. For the construction of single - arch tunnel within cracked surrounding rocks, 8 tunnel models are set up to study the effect of the earth pressure distribution of the various surrounding rocks due to excavation. the relationships between the loosen zone of tunnel radial earth pressure and the tunnel diameter, the characteristics of surrounding rocks and the exposed time are revealed. it is showed that the pressure loosen radius is 1. 2 ~ 2. 0 tunnel diameters and the strongly loosen radius drops to 0. 5 ~ 1. 0 one for double lane tunnel

    對于單破碎圍巖隧道的構築問題,作者設置了8個隧道模型,研究開挖對不同隧道圍巖分佈的影響,揭示了洞周徑向的鬆弛范圍與洞徑、圍巖特性、裸露時間的關系,得到雙車道隧道鬆弛半徑為1 . 2 2 . 0倍洞徑,強烈鬆弛區半徑為0 . 5 1 . 0倍洞徑。
  13. According to the character that the soil can endure the press than the tensile strength, the arching shape of the soil arch between piles has been regarded as the reasonable arch axes. by analyzing the mechanical balance condition of the arch, the transfer mechanism of the thrust has been gained. at the same time, the formula for computing the thrust acting on the pile has been gotten, and the present computing formula is just the special example of it

    根據巖土體抗性好、抗拉性差的特點,將樁間土形視為合理軸線方程,通過分析土學平衡條件,得出樁間滑坡推的傳遞模型,並由此得到抗滑樁上的滑坡推計算公式,現有抗滑樁上滑坡推的計算公式只是本文公式的特例。
  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

    對于所取的壩實例,以揚折減系數,校核洪水位,摩擦系數、 ,凝聚、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. Because of the difference of shape character and function between arch dam and gravity dam, the effect of loads, such as seepage pressure and gravity in arch dam, is smaller than that in gravity dam, but, the thermal load and dam contraction are turned into main loads

    由於壩的體形特點和工作原理與重壩不同,所以在壩中滲透與重等作用荷載的影響要比在重壩中小,而溫度荷載及壩體混凝土收縮則上升為主要荷載。
  16. Through the fem calculation and the analyzing data of the field, the result is that the central wall mainly endures the vertical pressure from the structure transferring and its bending moment is relatively less and its position of the maximum value of the bending moment locates in the joint between the central wall and the steel framework

    通過有限元計算和對現場監控量測數據的分析,論文得出:中隔墻主要承受結構傳遞的豎向,彎矩值較小;鋼架的軸以受為主,彎矩值在中隔墻上方位置處最大。
  17. Abstract : it is shown by analysing the observation data of uplift pressure and seepage flow that in spring the uplift pressure and seepage flow increase rapidly. this result means that in order to keep the reservoir safety, the monitoring should be intensified

    文摘:對石門壩揚、滲流量實測資料進行分析,發現石門壩在每年春季揚、滲流量劇增,應加強監測,以確保工程的安全運行。
  18. The zone between vault and center partition of multiple - arch tunnel being seriously loosen is revealed and the loosen range comes to 2 diameters

    揭示了連隧道頂與中隔墻頂之間鬆弛最為強烈,鬆弛范圍可達2倍洞徑。
  19. Not only t he self - weigh of every beam, the prestressing, the compression on the support of form scaffolding, constriction of concrete, creeping are considered when the inter nal force is calculated, but also the result of displacement and deviation of th esupport and precamber should be taken into consideration

    施工階段的內計算不僅考慮逐段施工梁的自重,預加應,模板支架的支點,以及混凝土的收縮、徐變;同時還應考慮施工程序,施工中的支座位移、支座偏差和預度等的影響。
  20. Machines for metal forming. form for consultation, enquiry and ordering of open - front and straight - sided mechanical presses for cold working of metals

    金屬成形加工機械.金屬冷加工用式及鵝頸管機械機詢價報價和訂購表格
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