拱曲作用 的英文怎麼說

中文拼音 [gǒngqūzuòyòng]
拱曲作用 英文
arcogenesis
  • 拱 : 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; ...
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  1. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    在動態數值分析中，針對世紀塔變截面的塔身，曲線軸線的拱以及柔性拉索相互耦合時清況，建立兩種有限元計算模式，利用有限元軟體algorfeas得到動力數值分析的結果，如：自振頻率、振型、動位移、動應力等等，再和振動臺試驗研究成果作比較，得到一些重要的結論，從而為南京世紀塔工程的設計和施工提供強有力的依據，而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。
  2. 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，應用於溪洛渡雙曲拱壩的抗震安全性和氣幕隔震可行性研究中，表明氣幕對高拱壩具有良好的隔震性能，可降低動水壓力90以上，壩體地震拱應力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 。
  3. Arched buckling structure damage under semi - cross load

    半跨荷載作用下拱結構的屈曲破壞
  4. It ' s the first time clearly and systematically to present the concepts of restraint influence coefficient of steel to strain increment, to curvature increment and to deflection increment due to creep which are different each other. theoretical formulae are established, and approximate formulae are also obtained while considering the characteristics of common - used concrete and ambient condition of real bridges in china. so, an approximate restraint influence coefficient method to analyze the effect due to creep and shrinkage in pc bridges is put forward, and the equations to estimate second - force due to creep considering influence of steel in system - transferred continuous pc bridges is also established

    本文首次清晰而系統地提出了鋼筋對徐變的不同效應（徐變應變、徐變曲率、徐變上拱）約束影響系數的概念，建立了相應的計算式；結合我國普遍採用的混凝土的徐變特性和橋梁的構造特點及工作中南大學博士學位論文摘要環境特徵，給出了具有較高計算精度的實用計算式;在此基礎上，建立了橋梁徐變效應近似分析的鋼筋約束影響系數法，並推導出了考慮鋼筋影響的超靜定梁徐變次內力的近似計算式，可方便地應用於橋梁研究和設計中。
  5. The shallow buried structure of frp honeycomb sandwich was comprehensively analyzed and calculated by finite element method. the calculating formulation of shallow buried frp honeycomb sandwich structure was amended by constantino model that combined american army and former soviet experience formulary in this article

    用constantino模型結合美軍和前蘇聯的經驗公式，修正了作用在淺埋地下的曲拱形玻璃鋼蜂窩夾芯結構在化爆下的荷載計算公式。
  6. When there is original stage support only, the load ratio of surrounding rock gets more and more bigger with the increasing of crust stress, correspondingly, the load ratio of initial stage support gets smaller. when the initial stage support and the second support act each other, the load ratio of surrounding rock is more than fifty percent, and it has little change with the increasing of crust stress. the whole analysis of the surrounding rock and support shows that the bottom arch of liner and the feet of liner have serious stress concentration, so do the sidewalls and the foot of a wall of the surrounding rock

    通過屈曲理論分析結果對比表明，彈性屈曲和突變失穩分析的結果比非線性屈曲分析的結果要大得多，非線性分析由於考慮了材料非線性和幾何非線性，因而結果與實際接近實際；當只有初期支護時，隨著地應力的增加，圍巖的荷載分擔率增大，相應地，初期支護的荷載分擔率就減小了；當有初期支護和二次襯砌共同作用時，圍巖的荷載分擔率在50以上，這一分擔率隨地應力的增加其變化不大；支護和巖體的整體分析表明，襯砌底拱及拱腳處應力集中嚴重，隧道巖體側墻及墻角圍巖的應力集中也較大。
  7. Two - way arch bridges have big weight in existing bridges in our country, they have large quantity & locate all over the country. for some reasons, they behave aging & diseases. for the purses of assuring transportation safety, highway salibility, having the existing bridges to be used sufficiently & using the maintain money properly, it is necessary to do proper reliability evaluation for two - way arch bridges. consultes on the base of large quantity of domestic & foreign literature, this thesis uses engineering survy & others " evaluation experience & advances factors analysis & system synthesis method for two - way arch bridge. this method overcomes the shortcomings & abuses that the used methods have. it has high veracity, strong adaptability & good maneuverability

    為了保證公路暢通、行車安全，充分發揮現役橋梁的作用，合理使用橋梁的維修加固費用，需對雙曲拱橋的可靠性做出恰當的評估。本文在大量參考國內外文獻的基礎上，結合工程調查和前人評估經驗，提出了雙曲拱橋可靠性評估的因素分析和系統綜合法，克服了過去各種方法的不足和弊端。該方法準確性高、適應性強、可操作性好。
  8. In the end, the steel - reinforced concrete arched bridge ( chun ' an weiping bridge ), which span is 198m, is analyzed by the proposed three - dimensional nonlinear finite element method and also those gained conclusions are directly adopted in the computation. the universal stability coefficient and nonlinear buckling stability coefficient of the bridge are respectively computed, in which the dead load and the live load are assembled according to the criterion. on the other side, the regularities of creep deformation and subsidiary stress of the investigated bridge under the first - stage dead load are carefully researched

    最後，將本文所提出的三維非線性分析方法及其主要研究成果直接應用於198m跨勁型骨架式鋼管混凝土拱橋「淳安威坪大橋」的分析計算中，對該橋在最不利恆載和活載組合下的一般特徵值失穩系數和非線性屈曲系數進行了對比研究，並對一期恆載長期作用下該橋的徐變變形、附加應力以及截面應力、應變重分佈規律分別進行了深入研究。
  9. In this thesis, on the basis of the existing successful designs. taking the railway concrete - filled steel tubular x - arch bridge, the first of its kind. in the jiuqu river in the artery running from beijing to shanghai, as an example, the author made a summary of main parameters necessary to design of these bridges, made a comparison between existing calculation three models and performed the internal force calculation, carried out the stability analysis of the bridge under and after construction, discussed the effects of the numbers and positions of the lateral braces on the stability, and also, in the last part, gave out part dynamic analysis result

    本文以我國第一座鐵路鋼管混凝土拱橋? ?京滬線九曲河提籃拱橋為背景，在搜集已有的拱橋的設計資料的基礎之上，對鋼管混凝土拱橋的主要設計參數進行了歸納和總結；對九曲河鐵路提籃拱橋的簡化計算模型進行了比較並用簡化模型進行了內力分析；對拱橋在施工期間的穩定性和成橋后的穩定性作了計算，討論了橫撐的位置和數目對拱橋的穩定性的影響；對拱橋的自振特性作了分析。
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