預拉力 的英文怎麼說

中文拼音 [yùlālì]
預拉力 英文
pretension
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 拉 : 拉構詞成分。
  • 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...
  • 拉力 : pulling; pulling force; thrust; traction; tension拉力表 draw bar [pull] dynamometer; 拉力測定儀 [...
  1. Suitable calibrated dynamometers were used to control the pull in the prestressing cables.

    用合適的標定過的量測計控制預應力鋼索的拉力。
  2. With two examples of the prestressed celom tension in the continuous girder design, which is utilized in the projects of mingzhu elevated railway and xinmin elevated railway, the author analyses the characters of the design and the application of this technology

    摘要就軌道交通明珠線、莘閔線等工程的連續梁設計中預應力束體內張拉的實例，分析其設計特點和應用。
  3. Investigation on layout of cables for prestressed lattice shell structure of two - layer cylindroid

    拉索預應力雙層柱面網殼結構布索方案研究
  4. Hard drawn steel wire for prestressed concrete

    預應力混凝土用冷拉拔鋼絲
  5. This article comtined the practice of the projtct of jiaojiang bridge and analyzed strand wire with high strength and low laxation, the anchorage system, the tentioned technice in the construction, and the principle of anchorage

    摘要本文結合椒江大橋工程實踐，分析了國產高強度低鬆弛鋼絞線和預應力錨固體系，在施工中的張拉工藝、錨固原理。
  6. This paper takes the example of two huge palaestra, particular introduced the whole process for the designing of pretensioned space lattice structure, from the selection of the plan, thinking of the design, the scheme for the dispose of tendon, the selection of reasonable tendon pull, structure calculate, to the last the analyse of calculate result, the analyse of structural dynamical capability, and the economy compare of several plans, particular analyzed the advantages and disadvantages of this kind of structure. this kind of structure has wide application foreground in engineering

    本文通過兩個大型體育場館的工程實例，詳細介紹了拉索預應力空間網格結構設計的全過程，從方案的選取，設計思路，布索方案，合理索拉力的選取，結構計算，到最終計算結果的分析，結構動力性能的分析，以及幾種方案的經濟比較，詳細分析了該結構形式的優缺點。該結構形式在工程界具有廣闊的應用前景。
  7. Prestressed concrete sleepers - post - tensioning type

    預應力混凝土軌枕.后拉伸型
  8. In order to predict high - strength bolts pretension and contact - friction in contact zone, status nonlinear in contact zone is adopted in fem model. the computation and analysis on the behavior of beam - to - column rigidity joints subjected to constant axial pressure on the top of column and cyclical load at tip of beam is carried out

    實體模型的建立，考慮了接觸區的狀態非線性，以模擬高強螺栓的預拉力、螺栓連接區的摩擦接觸，對承受軸力的樑柱剛性連接方式在循環荷載作用下的滯回性能進行了計算分析。
  9. Supporting mechanism of pre - tension 3d - cable and its application

    預拉力三維錨索支護機理與實踐
  10. The new construction technique applied to the huge steel boxed cofferdam for foundation of pylon pier no. 2 of wuhan tianxingzhou changjiang river rail - cum - road bridge was to fabricate the cofferdam in integrity in workshop, shift it down to river and float it to the pier site where it is then accurately positioned by pre - tensioning at the anchor pier

    摘要武漢天興洲公鐵兩用長江大橋2號主塔墩基礎大型鋼吊箱圍堰採用工廠整體製造，下河浮運至墩位，利用錨墩施加預拉力精確定位的施工新工藝。
  11. Using the general finite element programming package of ansys10. 0, the study of gabled frames beam - column end - plate connections is made, considering synthetically nonlinear ( material, geometry and contact ), bolt pretension forces and ratio of axial compression stress to strength. elastic - plastic finite element analyses are carried out among 28 species of 3 series under monotonic loads, in order to discuss the influence of parameters including stiffness of end - plate, bolt diameter, friction coefficients and so on

    本文使用通用有限元軟體ansys10 . 0綜合考慮了三重非線性（材料非線性、幾何非線性以及狀態非線性）的影響，同時考慮了螺栓預拉力的影響，對考慮端板厚度、端板加勁肋的設置、螺栓直徑、摩擦系數等參數不同的3個系列（端板系列，螺栓直徑系列，摩擦系數系列） 28個試件進行了有限元數值模擬，對連接節點的性能進行了分析研究。
  12. The former model of staged loading and staged optimization is improved, in which the value range of pre - stress restrict in restrict equation. it provides the theoretical base for the loading time of multi - pre - stress and the value of pre - stress. and examples analyzed with linear programming and full - constrained methods prove the convergence effect well

    論文在單次預應力鋼結構的優化模型的基礎上，建立了多次預應力鋼結構的優化模型，將原有的分級加載，分級優化的模型加以改進，在優化模型中將約束方程中的預拉力約束的取值范圍擴大，使得多次預應力的施加次數、施加預拉力的數值大小的確定有了理論根據，並利用線性規劃和滿約束結合的方法進行求解，通過算例分析，收斂效果較好。
  13. The process of rotary stretch bending without lateral compression and with lateral compression is analyzed separately, and the models of the stress distributing in the section and the springback are also presented separately to discuss the relations between pre - stretch force, lateral compression and the amount of springback. numerous experiments had been done on the equipment of ztlw - 8

    本文以等邊角型材為研究對象，使用解析法分別對無側壓與側壓轉臺式拉彎成形過程進行研究，建立了成形區截面的應力分佈模型和回彈預測模型，從理論上探討了回彈半徑與預拉力、側壓力的關系。
  14. The distribution of pre - stress in parabolic net of astromesh deployable antenna plays an important role in design and analysis of this kind of deployable antenna, a common method to solve this problem is non - linear finite element method

    環形桁架可展天線中心索網的預拉力配置問題是此類天線結構設計與分析的重點，目前，常採用的解決方法為非線性有限元平衡迭代。
  15. Results show that low - rise steel frame structures can ignore fracture of bottom beam flange in the low seismic intensity area. 2 build up the finite element model. through comparing the shell element result to the test result, it proved feasible in shell element model to get the behavior of beam - column connections under monotonic and cyclic loads

    2通過試驗結果與有限元模型計算結果的比較，驗證可以用殼元有限元模型來研究樑柱節點性能，實體有限元模型能很好模擬接觸問題和預拉力問題，混凝土有限元模型能夠較好的模擬混凝土結構的抗壓強度高和抗拉強度低的特性。
  16. That is to say, the amount of the springback decreases with the increase of the pre - stretch force and lateral compression, and the decreasing trend is close to a linear relation, and when the lateral compression is large enough, the negative springback appears

    理論分析和試驗均表明：回彈半徑隨著預拉力和側壓力的增大而減小，減小趨勢基本為線性關系，當側壓力足夠大時，出現負回彈。
  17. This paper studied the warp and stiffness of end - plate connection, and studied how the actual stiffness of end - plate connection influence stiff frame ' s displacement, and some design improvements are proposed. a methodology based on finite element modeling is used to establish strong bolted end - plate connection calculation model, and solved the interface between end - plates question and how to add bolt pretension when imitating end - plate connection ' s elastic material characteristic. through analyzing and comparing calculation results and experiment data, this paper summarized bolt force distribution, connection moment resistance, moment - rotation relationship and connection stiffness

    筆者採用有限元方法，建立高強螺栓端板連接的計算模型，模擬了節點彈性階段的工作狀態，較好的解決了高強螺栓端板連接中的接觸面問題和螺栓預拉力的施加問題，通過對計算結果的分析以及與實驗數據的比較，總結出端板連接在彎矩作用下的螺栓拉力分佈規律、節點抗彎承載力及其影響因素，以及節點剛度特性及其對剛架性能的影響，同時，對端板連接受力變形性能也做了十分有益的分析，為輕鋼節點設計方法的改進提供了依據。
  18. At first, after the dynamic characteristics of the plane and the spatial supporting systems were studied, fore some steps fixed frequency and shape of vibration were gained. secondly, several design parameters which influence the dynamic characteristics of this kind system were discussed, including pre - tension value in the cable, cross - section of the cable, cross - section of steel - bar and form change. some applied decisions were found

    首先，對平面和空間索桁支承體系的自振特性進行研究，得到體系的前幾階固有頻率和振型形式；進而探討了索的預拉力、拉索截面面積、撐桿截面面積、形狀改變（撐桿長度l ）等主要設計參數對體系自振特性的影響，得出了一些有益的結論，為體系設計和施工提供意見和依據；最後，對體系的風振特性進行了分析，用幕墻風荷載規范對幾種索桁支承體系形式進行風荷載計算。
  19. Studies show that simply adopting multi - compound supporting is far from enough to control strong non - lineal deformation, meanwhile measures must be taken to harness the weakening course caused by fracture water

    針對此情況，提出了動態過程式控制制的支護原理，採用預拉力錨桿、錨索、桁架和圍巖滯后注漿堵水加固相結合的全過程式控制制圍巖技術。
  20. Having analyzed the check result of the torsional moment on the scene of the big hexangular high - stength bolts conjuncted in the service based on the engineering example, the paper gives two reseans about the lose of pretension the earlier checking of the moment and the inaccurate maintenance method

    摘要通過某工程實例，對在役大六角高強螺栓連接副現場扭矩復驗結果進行了理論分析，找出了高強螺栓預拉力損失的主要原因：一是現場扭矩檢測時間過早，導致預拉力損失不穩定，前期損失較多；二是使用中維護不夠。
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