預加力矩 的英文怎麼說

中文拼音 [yùjiālìjǔ]
預加力矩 英文
pre-torque
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 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...
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  1. According to hysteretic properties under low - cyclic loading and some other suggestions, the moment - curvature restoring force computation model of unbonded partially prestressed concrete section, which considering the ppr, is given

    此外由於施加了預應力，使得該結構具有良好的恢復力特性。本文還根據試驗結果和相關參考文獻提出了考慮不同預應力度的預應力扁梁截面彎矩?曲率恢復力計算模型。
  2. Centrifugal clutch 18 is provided to mechanically couple power source 12 to work device 14 as the speed of input 15 of work device 14 increases to a predetermined speed wherein the need for the torque and speed conversion provided by non - grounded multi - stage transmission 22 become less necessary

    離心式離合器18設為隨著工作裝置14的輸入15的速度增加到預定速度時將動力源12與工作裝置14機械連接，此時逐漸不再需要非搭鐵多級變速器22提供的扭矩和速度轉換。
  3. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講，根據w - w的五參數混凝土破壞理論，建立混凝土的開裂準則，根據開裂應變值來判斷裂縫是張開還是閉合，從而在兩者基礎上建立了裂縫的開裂預測模式，總共有16種開裂模式；裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣，即用等效剛度代替原有剛度，考慮到垂直於裂縫方向的剛度為零，這樣會使裂后的總剛出現病態，為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理，一方面可解決因過大的舍入誤差導致計算結果的不可信問題，另一方面就是可加速收斂。
  4. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  5. 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

    分析中採用載荷增量法，對各級載荷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加固混凝土結構的載荷?變形全過程曲線，並預測其極限承載力。
  6. Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams

    本文通過參數分析、 ansys三維有限元非線性分析、模型試驗等研究方法，著重探討了抗彎承載力、撓度變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界面滑移等方面的預加力效應。
  7. At last, with the program, 18 one - storey and one - span prestressed frames are simulated. some conclusions are reached with the taking into account the, secondary moment and types of load applying : ( 1 ) the in the beam affects the ductility of the section and rotary property of the plastic hinge. so total coefficient of the modulation of moment becomes less with the becoming bigger

    最後，本文利用編制的非線性程序，模擬了18榀單層單跨預應力框架，重點研究截面相對受壓區高度、次彎矩、加載方式對塑性內力重分佈和彎矩調幅的影響，從中得出了以下主要的結論和規律： （ 1 ）框架梁相對受壓區高度在很大程度上反映了截面的延性，體現了塑性鉸的轉動能力，框架的總彎矩調幅系數隨著相對受壓區高度的增大而減小。
  8. The paper presented a large annular cantilever beam string stadium roof structure using the theory of beam string structure. the stadium roof structure is a novel structure that is reasonable in bearing force by using the character of the tendon and beam fully. the struts in the structure avoided enduring big moment, moreover the pre - stress upper chord tendon and the annular beam work together to resist upward and downward load, as embody the structure ' s artifice and wonderful space mechanical property

    本文利用張弦梁原理，給出了一種大型環狀懸臂型張弦梁挑蓬結構，該種體育場挑蓬結構新穎，充分利用了拉索和立體桁架受力的特點，使得結構受力更加合理，避免了柱子承受較大的彎矩，上弦索的預張力和圈樑使結構共同作用抵抗上下荷載，更體現了結構的巧妙和良好的空間受力性能。
  9. And the procedure of solving initial prestress by equilibrium matrix theory and simplified method are elucidated. the self - stress mode of sunflower - patterned cable dome must be positive, and the mechanisms mode equals to zero. it seems like statically indeterminate structures and is geometrical stable structure

    明確了葵花型索穹頂結構形態分析的具體內容；闡述了用平衡矩陣理論和簡化演算法求解索穹頂結構初始預應力的過程，指出葵花型索穹頂結構的自應力模態s 0且機構位移模態m = 0 ，相當于結構力學中的超靜定結構，同時它也是幾何穩定的結構；提出了考慮結構自重時葵花型索穹頂結構初始預應力的求解方法，這種方法求得的初始預應力更加準確。
  10. To ensure the integrity of the girder and resist transverse bending due to dead load and service load, powerful transverse prestressing tendons were disposed in the diaphragms

    為加強主梁受力的整體性，抵抗靜載和動載產生的橫向彎矩，橫梁結構內設置了橫向預應力鋼束。
  11. At first, this thesis analyzes the main causes in theory, which have effects on the redistribution of internal force and modulation of moment for the bonded post - tensioned partially prestressed concrete frame ( for short prestressed frame ), including the relative height of compressive zone of section ( ), secondary moment and types of load applying. then, this thesis analyzes the test of prestressed frame. then, a method, called curvature - force method, for nonlinear analysis of prestressed frame is put forward

    本文首先從理論上分析了影響后張有粘結部分預應力混凝土框架（簡稱為預應力框架）內力重分佈和彎矩調幅的主要因素，即相對受壓區高度、次彎矩和加載方式等，並初步分析了兩榀只加豎向荷載和兩榀既加豎向荷載又加水平荷載的單層單跨預應力框架靜力加載的試驗。
  12. Once again, contraposing the specific case in engineering strengthening and the shortcoming in the strengthening concrete norm, the author puts forward modified means that designer should examine the internal force after esmating the prestressed tension rod sectional area and deduce the practical formula used in the examining

    再次，針對加固規范和工程設計不完善的情況，提出了先估算后較核的改進辦法，並推導出較核中易用的預應力等效彎矩、軸力的計算公式。
  13. 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。
  14. By way of these tendons, precest beams and columns can be assembled conveniently, and the joints and frame are monolithic and continuous. consequently, compared with common reinforced concrete frams, this kind of frame systems possess higher reliability and solved the problems in the process of assembling prestressed concrete frames. also it forms the framework of subassemblage and prestressed concrete frames, and explores a new way for industrial production of prestressed structures. by analyzing this system, a series of conclusion are provided, incluing modulation of bending moment produced by vertical loads within beam end, secondary internal forces produced by pretress force, shear resistance of the end of beams, the influence of lateral restrains. theresearch results of this paper are proved to be practical. some advices are also brought forward on the design process

    后張預應力筋既可作為施工階段拼裝手段，又可在使用階段承受梁端彎矩，構成整體受力節點和連續受力框架，克服了裝配式節點受力可靠性差的缺陷，解決了預應力混凝土框架難以裝配的問題，形成預制預應力混凝土裝配整體式框架，開辟了預應力結構工業化生產的新途徑。本文針對預壓裝配式預應力混凝土框架，從豎向荷載作用下的梁端彎矩調幅、施加預應力在框架中產生的次內力、梁端抗剪承載力、考慮側限的無側移框架的承載力分析四個方面對該種裝配式結構體系的性能做了詳細的研究。
  15. In this article the development of the cracks and the moment redistribution are discussed based on the two frames which are loaded vertically and horizontally at the same time

    本文針對兩榀同時施加有水平荷載和豎向荷載的預應力框架，對其加載過程中的裂縫發展、結構的塑性彎矩重分佈進行了探討和研究。
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