壞中性軸 的英文怎麼說

中文拼音 [huàizhōngxìngzhóu]
壞中性軸 英文
mechanical neutral axis
  • 壞 : Ⅰ形容詞1 （不好的; 惡劣的; 使人不滿意的） bad 2 （表示程度深 多用在表示心理狀態的動詞或形容詞後面...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 軸 : 軸Ⅰ名詞1. （圓柱形的零件） axle; shaft 2. （對稱部分的直線） axis 3. （圓柱形的纏繞器物） roller; spool Ⅱ量詞（用於纏在軸上的線以及裝裱帶軸子的字畫）
  1. The performance of the controller affects the dynamic performance of the amb system and the circumgyration precision of the rotor, which is very important to the application of the amb

    磁軸承控制器的研究是其中至關重要的一環，控制器性能好壞影響到磁軸承的動態性能和轉子的回轉精度，直接關繫到磁軸承能否應用。
  2. The shear mechanism, failure mode, deformation capacity, bearing capacity and the reliability of the anchored angle steels of the wrapped steel concrete cast - in - site frame typical story exterior joints under the middle and high axial compression ratio ( n = 0. 3, 0. 5, 0. 6 ), the working performance, failure mode, and the shear capacity of top story joints under the crack moment, the hysteresis characteristic and the dissipation energy capacity of the test joints are all analysed based on the 1 / 4 model pseudo - static tests of five specimens of wrapped steel concrete cast - in - site frame exterior joints, which varied in axial compression ratio, distribution of the beam angle steels and the stirrup ratio

    基於上述分析，本次試驗通過五個外包鋼混凝土邊節點1 4比例模型的偽靜力試驗，以柱的軸壓比、梁角鋼布置形式、配箍率等為主要參數，分析外包鋼混凝土現澆框架一般層邊節點在中高軸壓比（ n = 0 . 3 、 0 . 5 、 0 . 6 ）條件下，節點的抗剪機理、破壞模式、變形能力、承載能力和角鋼錨固的可靠性；分析了頂層邊節點在張開彎矩作用下的工作性能、破壞模式和抗剪承載力；分析了試驗節點的滯回性能和耗能能力。
  3. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。
  4. Rigid rotor is unbalancing if its axis of rotation is not uniform with its central principal inertia axis, . unbalance imposes cyclic forces on bearings and shafts, producing vibaration, even damaging machinery

    剛性轉子的旋轉軸線如果與其中心主慣性軸不重合，則此轉子是不平衡的，不平衡將會在軸承上產生周期性慣性力，引起振動，甚至損壞機器設備。
  5. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重載道路路面設計中所存在的問題，從重載交通特性出發，收集分析了國內幾條重載道路的交通及軸載組成情況，根據重載交通的特點，分析原有荷載圖式的不足，提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式；同時，在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上，通過對重載路面軸載換算公式的進一步研究，分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式；此外，本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討，系統地提出了重載路面的設計方法，並使之有效地運用到工程實踐中。
  6. Based on thermodynamics laws, inner - variable theory and analysis of conventional tn - axial tests data and breakage characteristics of loess, this paper proposed that the loess would produce elastic, plastic and nonreversible damage deformation during loading

    從熱力學定律和內變量理論出發，在對常規三軸試驗數據和土樣的破壞特性分析的基礎上，認為土體在受力過程中將產生彈性變形、塑性變形和不可逆損傷變形。
  7. In order to model the portland cement concrete ( pcc ) pavement performance, about 200 pavement sections with typical environment and maintenance level were selected from four districts of guangdong province, and then an investigation was made on their pavement structure pattern, distress, traffic volume and wheel path lane coefficient

    摘要為了建立水泥混凝土路面典型的使用性能預測模型，在廣東省確定了在環境條件、養護水平等方面均有代表性的四個地區，從中選取有代表性的200條路段，對其結構組成、路面損壞、交通軸載及其車道分佈進行詳細調查。
  8. Among them the flow pulse is more standing - out, which is the main reason of its not more widely used. because high flow pulse will lead to the worse of the smooth movement of hydraulic motor and pipe, also cause pressure pulse which lead to a high noise, and give the destructive damage to the axial, bearing, valve, the connect of pipe etc. how to make the flow pulse low has become the research of scholars of many country

    其中流量脈動問題顯得尤其突出，它嚴重製約著齒輪泵的應用，因為泵的流量脈動大，不僅會使液壓缸運動的平穩性、液壓馬達回轉的均勻性性變差，而且會引起壓力脈動，進而使管道、閥門乃至整個系統振動（特別是在共振時） ，並發出很強的噪聲，這對軸、軸承、管接頭及密封都有破壞性影響。
  9. But the traditional static design method is based on statics and seldom contains guidelines for incorporating the dynamic behavior of the moving belt. large safety factors are employed to accommodate most dynamic stresses in the belt. this can not only increase total cost but also give rise to system instability and higher dynamic stresses that can damage the belt, drums, idlers, bearings and other parts of the conveyor

    在高速情況下，帶式輸送機存在的主要問題之一是起制動過程中輸送帶的動張力問題，而傳統的靜態設計方法將輸送帶視作剛體，並且在靜力學基礎上按靜止或勻速運行狀態對輸送機系統進行受力分析和參數設計，將動張力以一定系數計入，用加大安全系數方法提高設計可靠性，這不僅會使帶式輸送機的成本提高，還可能引發起制動過程中較大的輸送帶動應力及運行過程中的不穩定性，從而導致輸送帶接頭的失效及滾筒、托輥、軸承乃至其它部件的損壞。
  10. The existing results about scour hole was summarized. experiments was made about the influence of aeration on scour, the dynamic pressure on the original riverbed and the scouring hole bottom, and the influence of aeration on the dynamic pressure and the velocity of submerged jet. scour was simulated by numerical model

    在總結前人研究成果的基礎上，試驗研究了摻氣對基巖沖刷破壞的影響；基巖沖刷過程中沖坑底部脈動壓強隨沖坑深度的增加而變化的特性；摻氣對沖坑未形成前河床底部及基巖沖刷坑底部脈動壓強的影響；摻氣對射流軸線流速變化的影響等。
  11. By tests of 9 specimens subjected to biaxial eccentric compression, shear and reversed torque, the failure modes and the varying laws of cracking torque, original stiffness, ultimate torsion strength and ductility are discussed, with the change of axial stress level and relative eccentricity. then, the cracking bearing capacity, the ultimate capacity and the deformability of the specimens are obtained

    通過9根承受雙向偏壓、彎、剪構件在反復扭矩作用下的試驗研究，以軸壓比和相對偏心距為主要研究參數，揭示鋼筋混凝土構件中雙向偏壓剪反復扭矩作用下的破壞特徵、開裂扭矩、剛度、強度、延性等特性和耗能性能，從而確定其開裂承載能力和極限承載能力及變形性能。
  12. In this paper, with complete calculation micro - mechanics method, mass concrete was taken as three - phase composites, which consists of mortar matrix, aggregate and bond between matrix and aggregate. with nonlinear finite element method, the simulation of static and dynamic mechanics performance of the uniaxial compress concrete specimen of dongjiang arch dam and simple supported beam specimen of xiao wan arch dam was studied by means of the software of msc. marc. the number of all kinds of mortar matrix was calculated according to grading of aggregate of three graded concrete and walraven function

    本文採用完全細觀計算力學方法，將大體積混凝土在細觀層次上看成是由粗骨料顆粒、硬化水泥砂漿及其二者之間的粘結界面組成的非均質復合材料，採用非線性有限元方法，在對大型商業有限元軟體? msc . marc二次開發的基礎上，對東江拱壩的三級配混凝土軸壓試件、建設中的小灣拱壩三級配混凝土梁試件在靜、動荷載下的力學性能和破壞過程進行了數值模擬。
  13. 2. based on the test results published over the word of steel fiber reinforced concrete beams without web reinforcements and with stirrups, the effects of steel fiber to shear resistance and the relationship of steel fiber to stirrups are analyzed, the improvements of steel fiber to failure states of reinforced concrete beams without web reinforcements are discussed. it is proposed that the formula of shear resistance of steel fiber reinforced concrete beams based on the model of the current design and construction spectification of steel fiber reinforced concrete structures ( cecs38 : 92 ), used of the uniaxial tensile strength of steel fiber reinforced concrete, and combined with different formulas specified in current design codes of concrete structures issued by different trades

    根據收集到的國內外對鋼筋鋼纖維混凝土無腹筋梁和鋼筋鋼纖維混凝土有腹筋梁的斜截面受力性能試驗研究成果，對鋼纖維在增強鋼筋混凝土無腹筋梁和有腹筋梁斜截面承載力方面的作用及其在箍筋抗剪承載力的關系進行了總結分析，對鋼纖維改善鋼筋混凝土梁破壞形態方面的作用進行了分析討論，提出了採用鋼纖維混凝土軸心抗拉強度指標，基於現行cecs38 ： 92 《鋼纖維混凝土結構設計與施工規程》計算模式、能夠與目前國內各行業現行混凝土結構設計規范中不同的鋼筋混凝土梁受剪承載力設計方法配套使用的鋼筋鋼纖維混凝土梁受剪承載力設計方法。
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