有效拱 的英文怎麼說

中文拼音 [yǒuxiàogǒng]
有效拱 英文
active arch
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 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; ...
  • 有效 : effective; valid; efficacious
  1. The results indicate that fiber grating strain sensors are able to monitor the tension status about reinforced concrete bowstring arch bridge effectively

    應用結果表明：光纖光柵測力傳感器可有效監測鋼管混凝土系桿拱橋系桿的受力狀況。
  2. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討，在合理的假設前提下，採用「齡期調整的有效模量法」得到的混凝土的本構關系，推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。
  3. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法，並考慮擴底樁的「拱效應」特點引入了有效樁長的概念，最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析，得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例；本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  4. If the structure reliability of the existing arch - bridges is analyzed and its current and future reliability level on bearing capacity is presented, it will profit the highway development and administration department in making an economic and reasonable decision on the maintenance of the arch - bridges

    對在用拱橋的結構性能進行可靠性分析，給出其現在以及今後一段時間內的承載力可靠度水平，有利於公路建設和決策部門對拱橋的維護工作做出經濟合理、切實有效的抉擇。
  5. In this paper at last. the localized anti - collapsing effect of the cave depot of single aircraft under the explosive load is calculated and analyzed. the explosive result shows that 3d ripped steel plate and ribbed shell structure are effective to raise the capacity of anti - collapsing of the protective structures

    對飛機單機掩蔽庫工程在爆炸荷載作用下，抗局部震塌效應進行了計算分析，模擬直接命中的爆炸試驗結果表明：鋼筋混凝土內襯三維波紋鋼板組成拱型復合結構，是提高防護結構抗震塌破壞的一種十分有效的措施。
  6. Combining with the performances of danshan bridge, discussing the methods on the construction controlling and calculation of cable - stayed bridge, this paper raises an efficient construction controlling system, and realizes collecting construction data of the real bridge and technical information. by analyzing on the difference of theoretical calculation and real construction state, the author determines to take self - adapting construction controlling method which uses kalman filter method to identify and adjust construction parameters. by getting rational construction state from forward iteration method, this paper, taking concrete creep effect in consideration, raises a rational scheme to pre - remain deformation and adjust cable force

    結合丹山橋的結構特點，通過對斜拉橋施工控制及結構計算方法的探討，提出了有效的施工控制系統，實現了對實橋施工數據和技術信息的採集；通過分析理論計算與實際施工狀態的差異，確定了以卡爾曼濾波法作為施工參數識別與調整的自適應施工控制方法；通過正裝迭代法確定其合理施工狀態，並考慮混凝土的徐變效應，提出了合理的預留拱度和索力調整方案。
  7. With an analysis of soil liquefaction potential for free field of nanjing metro line 1 under 7 degree earthquake, as well as for excavated field, in line with railway engineering anti - earthquake design specification, dynamic triaxial tests and theoretical analysis using efficient stress method, the author comes to the conclusion that, when metro plate is located at layer s and the layer is thick, liquefied area is at metro bottom plate ; in some local section liquefied area is at metro top plate, or arch sides at the top of metro in most places

    摘要採用鐵路工程抗震設計規范、動三軸試驗及有效應力的理論分析相結合的方法，對南京地鐵南北線（ 1號線）區間隧道開挖后其地基土在7度地震情況下的土層液化情況進行分析得出：當隧道底板坐落在5層且5層較厚時的液化區出現在隧道襯砌底板處；局部地段液化區出現在隧道頂部及拱腰；大部分地段的液化區出現在隧道頂板上方。
  8. Concrete arches are an economical way to transfer loads to the ground where foundation conditions are adequate to resist horizontal loads.

    當基礎條件足以承受水平荷載時，混凝土拱橋確是一種能使荷載傳遞到地基上去的經濟有效的橋型。
  9. In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, at the same time, the effecting parameter has collected. the paper build the ann model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn. according to them, ann is applied in the construction control of prestressed concrete continuous bridge

    本文以大橋成橋線形滿足設計要求和成橋內力控制在設計容許范圍內為目的，運用現代控制理論的思想，引用神經網路基本原理，詳細介紹bp神經網路的研究過程，從而建立預應力混凝土連續梁橋施工預拱度的神經網路模型，並詳細討論了模型的神經網路結點信息的提取，在工程實例的基礎上進行了數值計武漢理工大學碩士學位論文算，數值表明，將神經網路應用於預應力混凝土連續梁橋施工控制，獲得了滿意的結果，在預應力混凝土連續梁橋施工控制技術研究方面，具有方便有效、精度高的優點，具有良好的應用前景。
  10. The results demonstrated that the ann is efficient and the theoretical results fit well with that of forecasting the beam camber in construction

    分析表明該方法是有效的，與實測預拱度結果較吻合。
  11. The deflection upwards of prestressed concrete beam can be predicted much accurately than before and mastered effectively through the massive work of this paper

    通過本文的大量工作證明，預應力混凝土橋梁的起拱度是可以較精確地預估並進行有效控制的。
  12. ( 2 ) deflection upwards is programmed and estimated precisely on the concise calculation model. ( 3 ) effective methods in design and construction are provided to control over - deformation

    （ 2 ）利用簡潔有效的計算模型較精確地預估了預應力混凝土t梁的起拱度，並編制了相應的計算程序。
  13. Trough the analysis of stabilization safety on tengzigou arch dam, some conclusions are obtained in the following : ( 1 ) tengzigou arch dam is safe under normal poll level ; ( 2 ) stabilization safety factor of tengzigou arch dam is about 4 - 5 ; ( 3 ) it is proved that combinatorial reinforcement measures are effective and feasible

    對藤子溝拱壩的數值計算和模型試驗分析表明： （ 1 ）藤子溝水電站在正常蓄水位作用下，壩體和兩岸壩肩是穩定的； （ 2 ）藤子溝拱壩的整體安全度大概為4 5左右； （ 3 ）東北院提出的對左岸泥巖層挖除處理並用混凝土置換的加固除險措施經研究表明該加固措施是有效、可行的。
  14. Study on effective prestressing forces under anchorage of tied - arch bridge

    系桿拱橋系桿錨下有效索力研究
  15. Through the experimentation for the physical performance of cfpb masonry under local compression, the author has observed the deformation and failure of cfpbm. based on the mathematical statistics and regression analysis of the experimental data, the author derived a feasible and common formula for counting the cfpbm ' s local compression strength regarding the different local compression locations, analyzed stress distribution of local bearing masonry under beams end, and provided the calculating formula on effective supporting length of beam end in brick masonry. as the results of experiments demonstrate, owing to the cfpb ' s own holes " system, the beneficial effects, the bounding effect of surrounding masonry and the spread effect of force, have not developed completely

    試驗結果分析表明：由於多孔磚自身的孔洞結構，砌體內部的圍箍作用和力的擴散作用未得到充分發揮，局壓強度雖較軸心受壓強度有所提高，但仍低於同情況下實心磚的局壓強度；當有上部荷載作用時，對砌體局壓有利的懸臂卸荷作用和內拱卸荷作用均不明顯，因此在推導梁端局壓強度計算公式時，未考慮此可能存在的有利影響，計算偏安全；局壓強度提高系數公式除採用規范公式（二項式）的表達式，還用對數式進行了回歸推導，得到了一個較為普遍的公式；論文還對梁端局壓的梁端有效支承長度計算公式進行了回歸推導。
  16. It is shown that small - curvature arch support is very superior to trapezoidal support in mechanical properties, and has higher bearing capacity and better self - stability, so that such problem as short - distance coal gateways and lower branch coal gateways can not be bolted and is difficult to support in high pressure can be solved effectively

    結果證明：小曲率拱型支架力學性能遠優于梯形支架，支撐能力大，自身穩定性良好，有效解決了近距離和下分層煤層巷道不可錨且在強壓下難支護的問題。
  17. When qr - method is used to analyzing the long - span cfst arch bridges, the result show that this method is not only computed simply but also high accuracy and has better convergence performance, so it is a effective and economic new method

    計算結果表明，利用qr法分析大跨度鋼管混凝土桁架拱橋靜力和動力問題，不僅計算簡便，而且精度高，收斂性好，是一種經濟有效的新方法。
  18. Tunnel vault and the surface of the side wall, play a firing prevention and heat insulation protecting roles, prevent the armored concrete reducing its intensity when the temperature rapidly heating up because of fire, avoid the tunnel from exploding and protect effectively the lining reinforcing steel bar not to lose supporting capacity so as to avoid the tunnel collapsing

    隧道防火塗料塗噴在隧道內的拱頂和側壁的表面，起防火隔熱保護作用，防止隧道內鋼筋混凝土在火災中迅速升溫而降低強度，避免混凝土炸裂、有效保護襯內鋼筋不會失去支撐能力而避免隧道垮塌。
  19. Fem can simulate the actual situation of the existing bridges, and may be used into the internal force computation widely. the internal force analysis may provide the basis to choose the responsible strengthening scheme, which could be taken as reference by other existing construction. also, the planting reinforce bar technique could be applied to the strengthening structures

    並認為：有限元分析方法能有效地模擬舊橋的實際情況，可廣泛地用於危舊拱橋的內力計算；內力分析的結果可為確定合理的加固方案提供依據，二者結合對其他結構的加固有一定的參考價值；植筋技術可較好地應用於橋梁結構的維修加固工程中。
  20. Then, this paper presents a program, which is used to analyze the construction control of modong hongshuihe arch bridge. the calculated values coincide with the measured data and closely agree with the results obtained by other references. it was thus confirmed that the stress balance d method is effective and reliable in practice

    同時依據應力平衡法的思想，編制了用於懸臂拼裝拱橋施工控制的程序，採用該程序對廣西來賓磨東紅水河大橋進行了施工控制分析計算，經與監測數據及課題組研究成果相比較，結果表明，應力平衡法是合理與有效的。
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