拉張應變 的英文怎麼說

中文拼音 [lāzhāngyīngbiàn]
拉張應變 英文
te ile strain
  • 拉 : 拉構詞成分。
  • 張 : Ⅰ動詞1 [書面語] （給弓或樂器上弦） fix （a bowstring）; string （a musical instrument） 2 （分開;...
  • 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...
  1. Viewing from the global tectonics, the authors dynamically described the dialectical relationships between extensions and compressions in time special 4 - d, and pointed out the different tectonic deformation systems corresponding to different tectonic dynamical environments. considering the geological evolution of sichuan basin, from nine aspects, the authors proved that the tectonic dynamical environments of sichuan basin, after its formation, has experienced the early extension, middle transition and late compression environments. correspondingly, as the paper suggests, a considerable attention need to be paid to the comprehensive studies of the early extensional structures, middle inversion structures and the late compression structures of sichuan basin when analyzing its tectonics

    從全球構造著眼，動態地從時間-空間四維闡述了拉張-擠壓構造動力學環境的辯證關系，指出了不同構造動力學環境對應于不同的構造變形系統。結合四川盆地地質演化歷程，從9個方面論證了四川盆地自其形成以來，構造動力學環境曾經歷了早期拉張中期過渡晚期擠壓的過程，相應地在對四川盆地進行構造分析時，要注意早期伸展構造中期反轉構造晚期擠壓構造的識別和綜合研究。
  2. The dynamic tensile stresses of earthquake may balance or exceed to the precompression stresses due to static watef, this may arouse opening of joints along the normal direction. if the altemate actions of earthquake join, the joints may behave gradual opening and closing

    由於地震作用時的動拉應力將抵消並超過靜載作用下的壓應力，導致橫縫面沿法向張開，加上地震的交變作用，橫縫可能會呈現反復的「漸開漸合」現象。
  3. The prestressed cable is a long - span structure which represents tensegrity structure thought. tensegrity structure is not stable without prestress and structural stiffness should be guaranteed by prestress. the structural stiffness changes compatibly with the load

    張拉整體結構在無預應力情況下結構是不穩定的，結構的剛度依靠預應力予以保證，並隨著荷載的作用，結構的剛度不斷變化。
  4. According to the analysis of the structure deformation variant direction the structure superposition during late period, and the tectonic stress field and deformation variant field, the cover extended nearly sn direction in early stage ( d - c ), maybe changed the direction in pernian ( especial the late permian ), and developed some new half - graben along sn direction except the succession activity at great fault zone. the direction of compression deformation variant, however, was nearly sn direction in indo - chinese epoch, ne - sw direction in early yanshan movement epoch, nne - ssw direction in late yanshan movement epoch, and transformed from ew to sn direction in himalayan movement epoch

    根據不同構造層中變形方向及後期構造疊加的分析，對本區的構造應力場及變形場進行了探討，本區蓋層早期階段（ d - c ）為近南北向的伸展拉張，二疊紀（特別是晚二疊世）的伸展方向可能發生了改變，除在各斷裂帶繼承性活動外，沿南北方向又新生了一些半地塹。而在擠壓變形時，印支期主要為近南北向擠壓，燕山早期為nw - se向擠壓，燕山晚期為nne - ssw向擠壓，而喜山運動可能經歷了從ew向向sn向方向擠壓的轉變。
  5. Additionally, modal parameters are tested under different prestressed forces and during the course of the lose of prestressed forces. finally, different vibration conditions, such as different rigidity of the hammer and different forces, are also studied

    另外通過振動測試，對預應力梁在不同的張拉控制應力下、預應力損失過程、不同激勵條件下構件的實測模態參數的變化規律進行了試驗研究。
  6. During the on - site experiment for full - scale segmental model of the girder, stress and cracks of the side - boxes were surveyed

    進行標準梁段足尺模型試驗，觀測試驗模型橫向預應力鋼束張拉后，主梁邊箱測點的應變，以及模型表面混凝土裂縫的情況。
  7. By means of the finite element inverse analysis, based on stress - strain theoretical equations of the elastoplasticity and viscoelasticity - viscoplasticity, the change of the valley - side margin stress distribution during original state, the condition of human cutting a terrace of building houses in the loess slope, and the condition of cutting the top of loess slope is elucidated

    3 .基於粘彈?粘塑性理論的本構方程，運用有限元方法進行反演分析，闡明了宅基邊坡谷緣在天然條件、斬坡建窯條件下和削坡條件下的應力場變化特點。結果表明，谷緣在斬坡建窯條件下拉張應力和剪切應力增大是導致崩塌產生的根本原因。
  8. Aimed at the active - pulling control features of lifting - cable in vertical lift process, finite element optimum design method was adopted, the problem of calculation of lifting - cable force was solved, the trend of lifting - cable force was also analyzed, the results of theoretical calculation are applied to the real project, get good effect

    針對豎轉提升過程中提升索主動張拉的控制特點，採用有限元優化設計的方法，解決了提升索力計算的問題，並分析了提升索力的變化規律，將理論計算結果應用於工程實際。
  9. Piola strain tensor

    皮奧拉應變張量
  10. The main causes, which have effects on redistribution of internal force in the prestressed frame, including the relative height compressive zone of section, secondary moment and types of load applying are taken into account. the horizontal braces force which results from the tension of the prestressing steel, reduces the pre - compress stress is analyzed

    並且探討了各影響因素對框架梁截面延性的影響和由於柱的抗側剛度在預應力鋼筋張拉時約束梁的軸向變形，從而影響預應力在梁中的建立所造成的梁中軸向預壓力的損失。
  11. In light of the simulative research results, three methods are applied to analyze some controversial problems in this kind of structural system ( such as the concrete pouring sequence of continuous ends, the applying sequence of pretensioned force, the removal of the temporary supports, the concrete pouring style of continuous ends, the optimization of constructional reinforcement and prestressed reinforcement ). some important conclusions are drawn : the concrete pouring sequence of continuous ends should be in accordance with the principle of " interval end " ; the removal of temporary supports is also on this principle ( opposite to traditional opinions ). at the same time, other problems such as the shrinkage and creep effects of concrete, the c racking and failure pattern, the optimization of reinforced bars and prestressed bars are also analyzed in detail

    在此基礎上，對于目前先簡支后連續結構體系中存在的一些有爭議的問題（如后連續端部澆築和后連續預應力張拉的順序、體系轉換中的臨時支座拆除順序、后連續端部澆築方式、后連續端部的預應力筋及普通鋼筋的優化等） ，我們分別運用三種方法進行了細致的模擬分析、研究，並得出了一些具有重要工程意義的結論：后連續端部的澆築順序和后連續預應力張拉的「隔跨」原則，臨時支座拆除的「隔跨」原則（此前人們一直認為「對稱澆注和對稱張拉」是最為合理的施工工序） ，混凝土的收縮、徐變對先簡支后連續結構體系的影響一般較小等。
  12. This thesis mainly researches second - prestressing precast slabs, it is important to study its one - way slab floor ' s ability in use. specific content include : imitate construction load lab, through this method to analyze the precast slabs " properties in the first stage in burden load. one - way precast slabs " lab, analyes one - way precast slabs sandwich s ability in second burden load stage

    具體的研究內容有：模擬施工荷載試驗，即對裝配整式夾層板第一受力階段進行研究；單向裝配整體式結構的第二受力階段的性能進行研究，並分析了二次張拉預應力筋所引起的結構的變形和應變與計算結果進行對比。
  13. The vertical loading plays a major role in the state of the flexural stress. beneath the mountain belts, the compression decreases and changes to extension from the top of the elastic plate to the bottom. the change of the flexural stress beneath the basin is vice versa

    從彈性板頂部向下，造山帶下方的擠壓逐漸減小，到中性面以下變為拉張，然後張應力逐漸增大，在彈性板底部達到最大；盆地下方的變化則與之相反。
  14. Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables

    針對建設中的小西湖矮塔斜拉橋的主體工程，結合已有的橋梁施工控制的理論和方法，利用大型通用計算軟體ansys的基本功能，並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發，採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩；用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝，參與受力計算，整個施工過程按施工循環周期分為若干階段，每個階段又分為四個工況，即：空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。
  15. Standard test method for machine direction elastic recovery and permanent deformation and stress retention of stretch wrap film

    張拉材料加工方向彈性恢復和永久變形和應力保持標準試驗方法
  16. We analyes post - tensioned prestressing properties and comparing with practiced results. we analyse one - way precast slab sandwich negative moment section resistant crack properties and two - way precast slabs sandwich under plane resistant crack at unprestressed section and second - prestressing propties. we compare canceling bonded reinforcement with laying on bonded reinforcement resistant crack properties and deformation. auxiliary lab include : concrete resistant pollution intensity. concrete resistant compressing intensity and elastic modulus, compare with results of code. analyse sandwich ' s strain and long - time stress, strain and introduce a new method through theory calculating long - time stress and strain

    配套的試驗研究有：混凝土的抗拉強度和彈性模量試驗及混凝土的抗壓強度和彈性模量試驗，混凝土的極限抗拉強度和極限拉伸應變試驗，並與《混凝土結構規范》 （ gb50010 - 2002 ） ，結果進行了對比；單塊夾層板放張階段的彈性應力、應變分析和長期應力、應變分析，並詳細介紹了按混凝土徐變理論進行長期應力、應變分析的方法。
  17. The tower shafts, most of which are hollow and varying in cross section, and altitudinal construction bring trouble to the form work and the stress of strand wire. and the cracks on the crossbeams will be caused by the following - deformation of the bracing structure joints, elastic deformation ， uneven settlement and temperature changes. the additional stress of the base slab and the foundation is caused by the deviation of cable bent tower construction

    但大跨度橋梁混凝土索塔施工設備進場及現場管理都比較困難；塔柱多為空心變截面，且為高空作業，給模板工程及預應力張拉帶來一定困難；支撐系統連接的間隙變形、彈性變形、不均勻沉降以及環境溫差可導致橫梁裂縫；索塔施工偏位會引起的承臺和基礎的附加應力，對加勁梁的架設影響大；懸吊結構未完體系（架設時）施工階段的風致振動往往影響到施工的安全和質量；實心塔柱部分體積較大，易產生溫度裂縫。
  18. Where rain falls around the world is changing and that is already affecting crop yields and freshwater supplies. in turn, diminished water and food security puts extra pressure, for example, on fragile states in sub - saharan africa and exacerbates already high water stress in the middle east

    降雨量在世界范圍內的改變已經影響到糧食產量和淡水供應，水資源減少、食品缺乏進而給諸如撒哈拉沙漠以南一些國力脆弱的非洲國家造成了更大壓力，也加劇了中東地區的供水緊張。
  19. Been conducted accurately on prestress losses due to friction and due to the deformation of ahchorage devices and on interrelation between the different prestressing tendon during the course of tension. digital and sensing technology was first utilized to carry out the investigation on the influence of fluctuations of temperature on prestress. it is concluded that prestressing construction of reinforced concrete frame structure of high building without taking the effect of temperature into account simply could n ' t satisfy the requirement of quality criteria in force

    本文對預應力摩擦損失、錨固損失以及不同的預應力筋在張拉過程中的相互影響進行了精確的現場試驗研究，首次利用數字傳感技術完成了溫度變化對預應力影響的研究；得出了在高層鋼筋混凝土框架結構施工中，不考慮溫度影響的預應力施工，根本滿足不了現行質量標準要求的重要結論。
  20. Then we also study the effect of string on the dynamical characteristic under the symmetric load and not under the symmetric load as the prestressing is the key making beam string structure the balanceatie system, having large rigidity and embodying the superiority of dynamical characteristic of this structure, this paper studies and conceives how to deteimine the number of the prestressing in each stage of construction and through comparing between the plan of onetime and repeated pulling construction choose the suitable pulling construction plan

    並且本文還研究了在對稱荷載和不對稱荷載兩種工況下，結構的受力性能隨豎向撐桿數目、結構垂跨比以及下弦索預應力等參數改變時的變化情況，總結出該結構受力方面的特徵，為實際工程設計提供依據。鑒于預應力是使張弦梁結構形成自平衡體系、具備較大剛度和體現結構性能優勢的關鍵，本文研究和探討了結構施工各階段該預應力大小的確定方法，通過一次張拉與二次張拉方案各項指標的比較，選擇適當的預應力張拉施工方案。
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