極限載荷因數 的英文怎麼說

中文拼音 [jíxiànzǎihéyīnshǔ]
極限載荷因數 英文
ultimate load factor
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 載 : 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 : 荷名詞（蓮） lotus
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法，使其可應用於變形體連接的多體系統，並以此理論為依據建立人體整椎脊柱沖擊動力學模型，此時考慮脊柱的大位移運動，每個椎骨的變形相對椎間盤的變形小得多，把脊柱看成由剛體（椎骨）和變形體（椎間盤）組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合，最後得到腰椎間關節剛度系數因子和阻尼系數因子
  2. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊，包括根據snell原理，研究極限折射縱波的激發機理，並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式，並對其中參數的求解方法進行介紹;根據收集的資料，介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法，即固定距離測量聲時法、臨界角折射法和頻譜分析法，本實驗系統使用的是第一種;根據實驗經驗以及相關資料，分析了影響極限折射縱波測量溫度應力的幾個因素，並提出了相應的解決方法;根據實驗系統的需要，獨立設計並加工出相關配套的實驗設備，包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  3. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論，運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算，獲得樁端承載力與樁長（埋置深度） 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系，並採用數理統計方法，對81組ansys模擬試驗結果數據進行回歸分析，得到有限元法確定樁端極限承載力的回歸公式，並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析，得到大直徑樁端阻的尺寸效應系數計算公式。
  4. At the same time in this paper we analyze nonlinear behavior of masonry through finite element method program and obtain its load when the wall start to crack and when it destroy, the p - u curve and so on. a comparison has been made between the data obtained from the experiment and the calculated through finite element method program so that we can study the cause of crack. in this paper we use finite element method to study concrete ' s character to analyze masonry, satisfactory results have been attained

    因此本文在對灰砂磚砌體進行力學性能試驗的基礎上，分析其裂縫產生的破壞模式與開裂機理，並論述了將斷裂力學知識運用於研究砌體裂縫問題的可行性；同時，本文運用有限元方法對結構低周反復加載靜力試驗所做的灰砂磚墻片進行非線性分析計算，得出墻片的開裂荷載、極限荷載、 p ? u曲線，裂縫在墻體上的分佈等，與試驗所得數據對比，以便於研究裂縫的開裂機理，並將研究混凝土的有限元方法運用到對砌體的研究中，取得了較滿意的結果，為類似的試驗分析提供了一條新的思路。
  5. The choice of laser output window height is relation to many factors, such as pressure loading, thermal loading, yield stress, influence on wavefront, failure by fatigue. spherical windows can endure higher laser intensity. however, it brings some phaseshifts, which connect with laser windows parameters

    激光器輸出窗口厚度的選取與壓力載荷、熱載荷、材料極限強度、厚度對波前的影響、材料疲勞等多種因素有關，由於球殼窗口能承受較高的功率密度，但窗口本身帶來相移，該相移大小與窗口參數有關，根據位相均方根值選擇球殼窗口參數。
  6. A simplified formula for the shear capacity of rc simply supported beam which strengthened with the cmmr is proposed in this paper. 3 、 the shear capacity of rc beam strengthened with cmmr is studied. though the test of fourteen simply supported reinforced concrete beams and five overhanging reinforced concrete beams with cmmr, it analyses the effects of shear - span ratio, web reinforcement ratio of cmmr, style of loading, preloading on strengthening, and compares them with rc beams using ordinary stirrup

    3 、根據本文進行了的14根混凝土簡支梁和5根混凝土伸臂梁的水泥復合砂漿鋼筋網抗剪加固試驗，分析了剪跨比、鋼筋網配筋率、加固形式以及持荷狀態等因數對整個構件極限抗剪承載力的影響，並與混凝土梁進行了比較。
  7. Bearing capacity and displacement are two main problems in the application of geotechnical engineering. based on a series of pull - out tests using three kinds of paper and a sort of window screening as geogrid, twenty - seven in limit and several in working - stress geogrid - reinforced slope model tests designed through orthogonal principle have been conducted to have obtained the relationship between the bearing capacity and four factors ( i. e. reinforcement, angle of reinforced slope, the designed - length of reinforcement and the distance between layers of reinforcement ). the law of slope lateral ( horizontal ) displacement versus to the height of slope vary with external - load was derived from the model test data, and the main factor affecting the lateral and vertical displacement of geogrid - reinforced slope was obtained through analysis

    承載力（強度）和變形是巖土工程應用領域的兩大主要問題，本文以紙和窗紗布模擬加筋土邊坡的土工格柵，在一系列拉拔試驗的基礎上，以正交設計理論分別安排27個極限應力狀態和若干個工作應力狀態加筋土邊坡模型試驗，並以模型試驗獲得的數據為依據，採用誤差、極差及回歸分析方法，探討了加筋土邊坡承載力與筋類、筋長、層間距、坡角4因素的相關關系，獲得了在外荷載作用下加筋土邊坡的側向位移隨坡高的變化規律（並進行了定性解釋）和坡頂的豎向位移特性，並分析其主要控制因素。
  8. Five factors of effecting specify the bearing capacity of drilled grouting pile ( engineering properties of soil, structural dimension of pile, stiffness of pile, time ) have been concluded through introducing the transmission of load mechanism of drilled grouting pile. at the same time, the effecting parameter has been collected. the paper build the ann model in predicting ultimate bearing capacity of drilled grouting pile and discuss in detail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn

    本文簡要介紹了樁基承載力的研究現狀並指出將神經網路引入樁基工程的意義，從介紹單樁荷載傳遞機理出發總結了影響單樁極限承載力的五種因素（樁周土的工程性質、樁身結構尺寸、樁的剛度、時間以及施工工藝）並提取了相應的參數；引用神經網路基本原理，詳細介紹了改進bp神經網路的研究過程，從而建立了預測鉆孔灌注樁極限承載力的神經網路模型；並詳細討論了本模型的神經網路輸入結點信息的提取，在工程實例的基礎上進行了數值計算。
  9. In calculation analysis, computation procedure will be used to calculate the single pile extreme limit bearing power. comparison analysis will be made on the single pile extreme limit bearing power between which tests get and which formulas compute, and analysis will be made on their differences and the cause of them

    在計算分析方面，該部分用前面得出的公式計算出的單樁極限承載力與用有限元程序計算出來的數據進行對比，以及與載荷試驗得出的單樁極限承載力進行比較，分析它們之間的差別以及造成的原因。
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