預加載荷 的英文怎麼說

中文拼音 [jiāzǎi]
預加載荷 英文
preload
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 荷名詞(蓮) lotus
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. By using this method, we could make the extended testin and controling system to satisfy the real - time requriement of application. this article is based on the research of " the helicopter ' s aviating load - data harmonized loading and sampling technology ". we studied the question of real - time in the helicopter ' s aviating load - data sampling system, and finally realized the real - time extension of the system which based on windows2000 to improve the real - time performance of the system

    本文結合中航二集團「十五」研課題( 41801100101 ) ? 「直升機飛行數字化協調及數據採集技術研究」 ,對數據採集系統中的實時性問題和實時擴展技術展開深入研究,最終實現了基於windows2000測控系統的實時擴展,並將其應用於實際的採集系統研製和開發中。
  2. By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load

    本文使用5000kn壓彎實驗機,對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三點彎曲試驗和楔入劈拉試驗。試驗過程中,由於實驗機噸位較大,而試驗計較小,為了能夠有效地控制大小和速度,採用通過觀察與傳感器相連的萬用表讀數控制速度的方法,連續
  3. Program can analyze the multi - girder curved bridge, by using the diatropic distributing theory. it can calculate the dynamic programming loading, by using the combined influence. it can analyze the internal force under the action with the prestressed force, by using the equivalent load method

    程序採用橫向分佈的實用計算理論來處理多主梁曲線梁橋的空間受力分析問題;採用組合影響線來對曲線梁橋進行動態規劃;採用等代法對曲線梁在應力作用下的結構內力進行分析。
  4. In addition, resovling the base for fixing actuator in the part of setting and debugging of whole test bench ; indicating performance of the test bench reliability and the test data is accord with correlative standard and may be taken as the bases of trouble shooting and maintain for tractor hydraulic lift system through testing the hydraulic lifter ' s static performance of tractor newholland 110 - 90. postgraduate : shenggang luan major : mechanism design and theory tutor : prof. bolin mi

    試驗臺的安裝與調試主要是完成油缸的地基處理,而在試驗部分通過對紐蘭110 - 90型拖拉機液壓提升器的靜態性能的檢測,表明本試驗臺性能可靠,所得到的試驗數據滿足相關標準中規定的精度要求,可以作為拖拉機液壓懸掛系統故障診斷和知維修的依據。
  5. Modeling the general solid web continuous box girder and opening - in - web ( open web ) continuous box girder by ansys finite element modeling tool, node stress of governing section and corresponding shear lag values are analyzed. the solution is validated by comparing with variational results and modeling test values. based on the model, the section shear lag induced by dead load, prestress tendons and car loads under the most unfavorable condition and lateral symmetry are also approached. the influence of shear lag effect in double - level continuous box girder is considered with opening - in - web and the web location. the analysis indicates that double - level - load arouses less shear lag effect than one - level - load. when self - weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change

    基於所建立的有限元模型,本文分別對實腹和腹板開孔兩種箱梁在恆、車應力作用時,各主要截面的剪力滯效應進行分析,通過施縱向最不利的和橫向對稱的車輛,研究實腹連續箱梁和空腹連續箱梁在承受雙層和單層時引起的剪力滯效應,並考慮腹板開孔及開孔位置對于連續箱梁剪力滯效應的影響。分析表明,雙層車對于箱梁引起的剪力滯系數比單層車的影響要小,對于箱梁中存在引起的剪力滯后現象有一定的改善作用。
  6. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次,設計了三根活性粉末混凝土無粘結應力疊合梁,兩點對稱集中、一次受力,得到了它們的截面應變分佈、撓度與變形、無粘結應力鋼絞線的應力增量、裂縫的發展與分佈以及極限
  7. High - strength structural bolting assemblies for preloading - part 2 : suitability test for preloading

    用高強度結構螺栓組件.第2部分:適用性試驗
  8. These materials can not be pretensioned to avoid the slack condition resulting from asymmetrical loadings.

    這些材料不能應力以免除由於非對稱所產生的鬆弛。
  9. During the experiment, the fatigue - loading was paused after fixed fatigue cycle and the white - light speckle patterns were acquired without loading

    在疲勞過程中,按一定的疲勞周次在零狀態下停機,並採集試件表面上先制備的白光散斑圖。
  10. In the paper, the load incremental method is adopted. by the way of reducing the elastic model of the destructive blocks in the elements, the finite element analysis model is revised and the repeated computing process does n ' t finish until the results are converged. the proposed method can simulate the entire process of concrete structures from crack to complete damage

    分析中採用增量法,對各級下單元中破壞的材料分塊進行彈模折減處理,並重新生成單元剛度矩陣,經過多次迭代直至計算收斂,從而可以給出各類cfrp固混凝土結構的?變形全過程曲線,並測其極限承力。
  11. Concrete filled steel tube ( cfst ) arch bridge is a new type of bridge which is widely applied in china recently, and it is a relatively ideal structural form for long span arch bridge. with the background of the practice of liantuo bridge, in the view of point of feasible in technology and reasonable in economy, the key techniques and difficulties in the construction of cfst arch bridge are analyzed and discussed in the thesis. the disadvantages in the current design and construction and the improvement method are also indicated

    本文以蓮沱特大橋工程實踐為背景,以主拱施工研究為主線,對鋼管混凝土拱橋重難點施工工藝,從技術上可行、經濟上合理的角度出發,詳細的進行了分析闡述,並指出了設計施工中存在的不足和今後需改進的方向;通過對鋼管混凝土拱橋施工過程中內力的計算,確定了拱肋施工最不利工況下重量、壓重順序和張拉臨時應力束等一系列施工措施,並將計算結果與現場監測觀測數據進行了比較分析,為今後進一步研究這類結構提供了參考。
  12. This paper introduces the preloading model set technological in heating furnace, preloading model set technological can increase the quality of heating furnace and the life of furnace lining highly

    摘要在熱爐中採用預加載荷支模工藝,能提高熱爐施工質量,大大提高爐襯壽命。
  13. Then the initial stress was calculated with proper load and the assembly process simulation

    模擬裝配夾緊過程施約束,並計算該過程中鋼板彈簧內部產生的應力。
  14. Machining deformation of aircraft monolithic component is simulated by finite element method ( fem ) and validated by experiment. the initial residual stress in pre - stretched plate is generated by simulating quenching and stretching processes. with a single tool - tooth milling process fem, the machining loads in monolithic component material removing is obtained. restart - calculation is put forward to complete the whole simulation of machining process. to verify the fem result, an experiment is carried out. the deformation distribution of the monolithic component resulting from fem shows a good agreement with the experiment result, which indicates that the key technologies presented in the paper are practicable and can be used to simulate the milling process of monolithic component to predict its deformation. lengthy and expensive trial and error experiment process can be avoided

    在模擬淬火、拉伸過程獲得含有初始殘余應力的拉伸板材以及模擬單齒切削過程獲得切削的基礎上,提出並採用接力演算法,對一航空整體結構件的材料銑削過程進行有限元模擬,同時進行了試驗研究.結果表明,有限元模擬的整體結構件的變形與試驗具有一致性,從而證明提出的整體結構件工模擬關鍵技術的可行性,避免了為研究工變形而進行的繁瑣的試錯法
  15. It is important to soft developing. the topic of the paper has been listed in the basic research project for national defence of the " tenth - five project " by the commission of science technology and industry for national defence. one is " distribution experimentation and test technology ", the other is " mathematic helicopter and test technology ". base on the research of literature of the world, we will research the technology of measurement and control system

    本文結合十五國防研項目「分散式協同綜合虛擬試驗與測試技術」和個五航空研項目「直升機飛行全數字控制和數據採集技術」的研究,在分析了國內外研究現狀和技術發展趨勢的基礎上,對其共性的關鍵技術之一? ?系統開發支持平臺(通用測控平臺)技術展開了深入研究。
  16. Kuroda uses : oversized bal preload for light to medium loading applications, and double nut ( pin method ) for medium and higher loading applications

    對于輕度以及中度應用場合,黑田採用增大鋼球直徑的辦法實現;對于高負場合,則採用雙螺母方式。
  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、基坑開挖等效結點模擬、基本方程的非線性解法、內支撐及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. Based on a large numbers of model / simulation test of the intermittent cracked rock - like samples, fatigue strength, fatigue deformation and crack appear in preexisting cracks tips, the growth of crack, the pattern of crack coalescence are studied / analysed systemically by means of cyclic load and static load, in the course of the model test, the difference between cyclic load and static load of crack appear in preexisting cracks tips, the growth of crack and the pattern of crack coalescence are observed and analysed

    在試驗過程中,觀察並分析了循環方式下,置裂隙端部裂紋萌生、擴展、巖橋貫通模式與靜方式下的差異;探討了疲勞裂紋萌生、擴展的機理,分析了頻率、水平對裂隙試樣疲勞強度、疲勞變形(總變形和不可逆變形)的影響規律。
  19. Through the theoretical calculation and parameter analysis and compared the result with general composite beam, the results show that the section stress redistributed by the effects of concrete shrinkage and creep and tensile stress by difference temperature will be greatly reduced. the forcing characteristic of this

    通過理論計算和有限元參數分析,與常規組合結構進行對比,驗證了應力波形腹板組合結構具有大大減小徐變引起的應力重分佈及溫差和收縮效應在混凝土板產生的拉應力值、對齡期和持齡期不敏感的特點,結構受力性能非常優越。
  20. Cbsa ( curved box girder structural analysis ) is programmed by this method in the environment of visual basic 6. 0 and it has friendly interface and visual forms for data input. it can analyze the loads including deadweight, prestressing force and temperature in curved box girder, output influence lines and load dynamically to calculate deformation and internal force

    該程序採用visualbasic6 . 0編寫,具有友好的界面,可視化的數據輸入窗口,可以對彎箱梁橋的自重、應力及溫度等進行分析,並可輸出影響線,對彎梁進行動態,求解活內力及變形。
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