預加應力的 的英文怎麼說

中文拼音 [yùjiāyīnglìde]
預加應力的 英文
prestressed
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  1. To the particular case under the small eccentricity compression, the method that the angle irons are strengthened on two - sides, but pre - stress is only put one side, can be adopted firstly

    對于較小偏心的特殊情況，宜採用雙側角鋼，單側施加預應力的方法。
  2. In view of cost, practicability and maneuverability, the special sintering diamond trepanning drill was developed for drilling ceramic composite components originally

    根據復合構件加工中的各種缺陷，分析了採用預壓應力鉆削對改善表面加工質量的重要性。
  3. Specification for hot rolled and hot rolled and processed high tensile alloy steel bars for the prestressing of concrete

    混凝土預加應力用熱軋和熱軋並處理的高抗拉強度的合金鋼筋規范
  4. In this test, a special bolt - jack is used to exent of prestressing force to brace angles as the whole structure is under dead - load. in this state brace angles withstand partly load before twice - load and the stress and strain of concrete are decreased. in this way the aim of removal of load and strengthening can be reached

    本試驗中採用專用螺栓千斤頂在恆定荷載水平下對混凝土柱角鋼撐桿施加預壓應力，使外包角鋼在二次受力前即分擔部分荷載，使混凝土應力水平和應變水平降低，達到卸載與加固同步進行的目的。
  5. ( 2 ) the crack load increases with the increase of the amount of the prestressing steel or the tensioning stress

    （ 2 ）預應力筋用量的增加、張拉控制應力的增大使預應力框架梁、柱的開裂荷載提高。
  6. Initially all structures were prestressed by high-strength bars.

    起初，每個橋梁都是通過高強鋼筋施加預應力的。
  7. These materials can not be pretensioned to avoid the slack condition resulting from asymmetrical loadings.

    這些材料不能預加應力以免除由於非對稱載荷所產生的鬆弛。
  8. Requirements for the installation of post - tensioning kits for prestressing of structures and qualification of the specialist company and its personnel

    專家組及其個人的資格評定和預應力構件用后加應力裝備的安裝要求
  9. The springing quantum of the pc beams due to the beforehand stress is only part of that of girder

    預應力混凝土梁施加應力后的起拱只是主梁起拱的一部分。
  10. Zhaihe bridge was taken as an engineering example, in - situ tests of deflections and stresses of the concrete slabs of 10 conditions before and after steel rods plantation and transverse pre - stresses execution, and the testing shou reveal that steel rods plantation can protect the assemble type concrete slab bridage deck, increase the bearing capacities of bridge and decrease the deflections, which provide basis for related engineering about reinforcement of bridge deck

    以寨河橋為工程實例，進行了植筋和預應力張拉前後10個工況的混凝土板撓度和應力的現場測試，結果表明，植筋等增加橋面預應力的措施確實能夠預防橋面病害的發生，並能提高橋面的承載力，減小撓度，為相關工程提供了依據。
  11. The measurement of stress can provide basis for material ' s evaluation, predict the fatigue life of the workpiece, inspect the technical effect of heat treatment and strength disposal on the surface, control cutting technics and determine the effect of stress elimination

    測量材料或構件的應力分佈不僅為材料的評價提供依據，而且還可預報構件的疲勞情況，檢查熱處理及表面強度處理工藝效果，控制構件切削加工工藝，檢查消除應力的工藝效果。
  12. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  13. By using a cell equivalent method, the present model can deal with the face - center square structure of erf. combining the scheme of the classical conductivity model for the single - chain structure, a new formula for the prediction of the shear yield stress of erf is set up. the influences of the separation distance of the particles, the volume fraction of the particles and the applied electric field on the shear yield stress are investigated

    在電導模型的基礎上，建立在電流變液體在外加電場的作用下，粒子之間會形成某種特定的微觀結構，利用等效胞元的方法，將這微觀結構等效成一個平板，建立了等效的微觀結構平板模型，通過計算電流變液體內部的局部電場，對電流變液體的工作機理和剪切屈服應力進行了預測，並且分別考慮了在不同的粒子間距、不同的粒子濃度、不同的外加電場的情況下，對剪切屈服應力的影響。
  14. Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible

    結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 ： 1模型試驗，對比分析了兩種后張預應力施工體系的優劣，歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律，驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性，確定了預應力混凝土壓力管道理論計算方法的可行性。
  15. 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

    施工階段的內力計算不僅考慮逐段施工梁的自重，預加應力，模板支架的支點壓力，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、支座偏差和預拱度等的影響。
  16. Railway applications - track - concrete sleepers and bearers - part 2 : prestressed monoblock sleepers

    鐵路設施.軌道.混凝土枕軌和支撐架.第2部分:加預應力的單塊枕木
  17. ( 3 ) fem basic theory of foundation pit excavation stimulation is expounded, numerical model and method of construction simulation are determinated, which includes simplification of two - dimension problem and constitutive model of soil mass i. e. constitutive model of duncan - chang hyperbola model, numerical ways of initial situ stress, stimulation of equal nodal load of foundation pit excavation, nonlinear solutions of basic equations, fem disposing of inner supporting and pre - axial force etc. further fem code of stimulation of foundation pit excavation is compiled

    闡述了基坑開挖模擬的有限元基本理論，確定計算模型及施工模擬方法。包括二維問題的簡化、土體的本構模型，即鄧肯-張雙曲線本構模型、初始地應力場的計算方法、基坑開挖等效結點荷載模擬、基本方程的非線性解法、內支撐及預加軸力的有限元處理等，並編制了模擬基坑開挖的有限元程序。
  18. It is discovered that the diameters of silicon rubber decrease and the number of silicon rubber increase by the dc electric pre - stress applied during solidifying of silicon rubber - toughened epoxy resins. the effect is independent of the polarity of electric pre - stress, but it is dependent of the intensity of electric pre - stress

    本文通過實驗研究證實：在硅橡膠改性環氧樹脂的固化過程中所施加直流預電應力導致了固化物中硅橡膠相數量增多、尺寸減小；並且，預電應力的這種效應與預電應力的極性無關，但與預電應力的水平有關。
  19. Furthermore, the internal forces and displacements when pretensioning the structure can be obtained easily by means of the suggested method under many conditions such as pretensioning a tendon, pretensioning several tendons simulta ? neously, pretensioning one strand in a tendon or pretensioning tendors by stages and in groups

    當單根桿件施加預應力、多根桿件施加預應力、同一桿件各股分別施加預應力以及分級分批施加預應力時，採用本文提出的方法可方便求得各工況下預加應力全過程的網架內力和變位及其變化規律，並可一次性地完成預應力施加工作。
  20. Meanwhile, it does not need a extra time to be carried out. it can continuously work during the excavation of trenches, so whole work cycle can be reduced. anchors and layers of shot concrete have replaced the traditional steel frames and piles, including concrete piles, steel piles, and they can largely economize construction materials, such as steel and concrete, reduce the amount of soil that would be excavated out, and improve work conditions

    錨桿施工機械及設備作業空間小，可為各種地形及場地使用，同時，它不獨占工期，而隨基坑開挖同步、流水進行，節約工期;用錨桿及噴射硅面層代替傳統的鋼支撐和樁（硅樁、鋼板樁） ，能夠大量節省鋼材、硅等建材，減少土方開挖量且能改善施工條件;其次錨桿的預加應力可以通過抗拔實驗來獲得。
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