有效載荷比 的英文怎麼說

中文拼音 [yǒuxiàozǎi]
有效載荷比 英文
payload ratio
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 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
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 有效 : effective; valid; efficacious
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已微動疲勞壽命預測模型的基礎上,引入頻率影響因子,對低周、高低周復合作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是的。
  2. Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented

    摘要基於砂井等應變固結模型,考慮初始應力沿深度變化,忽略井阻和豎向排水固結的影響,應用平均孔隙與平均應力的對數關系,建立砂井非線性徑向排水固結的分層計算模型,並求得常作用下的徑向排水固結解析解。
  3. The results show that the composites were more wear resistant than the matrix, contributing to the " volume effect " and " size effect ", the wear resistance increases with the particle content and size. the composite shows better wear resistance than high chromium cast iron material especially in low load and fine abrasive test condition. the results also indicate that the composite strengthened by ageing treatment was more wear resistant than as - cast composite

    磨損試驗結果表明,鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料具較高的抗磨料磨損能力,而且其耐磨性隨著鑄造碳化鎢顆粒體積分數及尺寸的增大而提高,表現出了強烈的「體積應」及「尺寸應」 ,尤其是在低、細磨料磨損條件下,復合材料表現出更好的而寸磨性,即使與高鉻鑄鐵( cr28 )相很大程度的提高。
  4. Dynamic test has been performed on three strengthened girders after they were being put into service. according to the measured data from the dynamic test and the calculated results of the proportion of the load distribution on steel diagonal braces and steel crane girders as well as the increased carrying capacity after strengthening in consideration of the principle of cooperative work between braces and crane girders, the feasibility, rationality, and economy of this strengthening scheme have been verified. this scheme can be applied extensively to strengthen crane girders system including concrete crane girders system hereafter

    最後結合對已經加固施工並投產使用的3榀鋼吊車梁的現場實際動測結果,按考慮下部鋼斜撐與鋼吊車梁二者協同工作的原理對鋼吊車梁與下部斜撐之間的分配例以及加固后鋼吊車梁的承能力進行了進一步的計算驗證和對分析,論證了採用鋼斜撐方案加固已鋼吊車梁的合理與性。
  5. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    動力學分析:建立雅可矩陣將關節空間的各關節的微分運動傳遞到笛卡爾空間,使末端執行器位姿產生微分運動,以用於求加速度及力在不同坐標系間的線性變換,再用拉格朗日法計算兩機械手的慣量、偶合慣量、重力,從而計算得到各關節的廣義關節力矩,並與等驅動力矩共同算得各關節的驅動力矩。
  6. The new machine can increase 3 times the payload asagainst 1988

    新機器的有效載荷比1988年增加了兩倍。
  7. It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between

    在公式推導的基礎上,結合相關試驗資料,研究了體外筋的形狀、等彎矩區長度、梁跨高張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度(雙折線型體外筋的情況)以及類型等對體外預應力混凝土簡支梁受力性能的影響。
  8. Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle , 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got

    對雙金屬復合板成型過程進行模擬,從而得到在沖擊和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律,復合后的齒形的變形情況與初始齒形形成對,以動畫的方式模擬成型過程,並分析了不同幾何參數(主要是不同的齒型,其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型) 、材料參數、工藝參數對復合強度的影響,以及不同齒型的變形對以及齒型對復合情況的影響,提出最優齒型、最優工藝參數,地指導了實驗。
  9. 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,運用大型限元軟體ansys按正交設計理論對樁端承力進行模擬計算,獲得樁端承力與樁長(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,得到限元法確定樁端極限承力的回歸公式,並將限元法回歸公式計算值與現場小壓板試驗值進行較分析,得到大直徑樁端阻的尺寸應系數計算公式。
  10. On the base of researching lots of information, the author particularly analyzes and compares the technique and economic index of steel residence and traditional structural system - rc structure to reflects the steel residence ' s good overall economic benefit by concrete datum from the material cost, effective service area and the construction ' s speed etc. discuss the optimum structural system of different scale of earthquake. the theory and example illustrate that when high steel residence has great horizontal load, the frame - prop structure is optimum

    在大量資料研究的基礎上,作者進行了一個六層住宅建築實例的技術性與經濟性分析較,該建築分別採用鋼結構和傳統結構體系? ?鋼筋混凝土框架結構,通過具體數字,從結構主材造價、使用面積、施工速度等幾方面反映鋼結構住宅建築的綜合經濟益好,討論了不同地震烈度下兩種結構的優化體系,理論、結構分析算例和此實例分析都說明了較大水平時,多、高層住宅鋼結構宜採用鋼框架? ?支撐結構體系。
  11. Finally, two examples show that, the availability and practicability of the new model is verified. the analysis of calculation result of berthiervill test embackment shows different part of compression curve have different influence upon the course of consolidation, and correct coefficient and viscous effect have great significance on deformation forecast. associated with the wenzhou airport runway engineering, the reason of increasing of pore - water pressuer in under - lying soft layer and post - construction settlement are given

    最後,通過兩個工程實例的分析來說明本文模型的性和實用性:一是對berthiervill填土試驗場的軟基實測數據和理論成果進行對分析,闡明考慮結構性擾動和粘滯性應對分析天然粘土固結壓縮性的重要性;二是對溫州機場袋裝砂井超預壓工程進行數值模擬,指出停預壓期間下臥層孔壓增加和工后沉降大的原因。
  12. So it is appears important to analyse capability of this structure, the people can compute all kinds of complex structure ’ s response under different sorts of exact load on current software, but the source program of the computing question, which is “ black box ”, on the contrary, fepg can get the source program, which can provide preference for the optimization of structure, even embed in the optimizing program and save much time of compiling program, linking to ga to identify the load can get the good result. so the problem is solved to alleviate the deadweight and the optimize design of the structure, as well as improve its secure capability

    對格柵結構進行力學分析就顯得至關重要,盡管利用通用限元軟體能夠計算結構承受任意可以準確描述的作用下的響應問題,但內部計算卻是「黑箱」操作,利用fepg可以得到計算源代碼,能夠為優化程序提供參考甚至可以嵌入其中,節省繁瑣的限元計算編程內容,結合遺傳演算法進行重構,往往會收到很好的果,這就解決了由於工作環境較復雜,引起響應的難以直接測量得到的難題,從而為結構優化設計和提高安全性能的提供了保障。
  13. Limited by its small volume and power consumption, pico - satellite can only be sole - functional. but it could still meet different flight missions if a standard platform were developed for various effective loads coupled with pico - satellite ' s specialty of satellite cluster sending with single rocket

    皮型衛星因其體積、功耗所限,雖然功能較單一,但是如果開發出標準的皮型衛星平臺,在其基礎上通過裝不同的,再加上具「一箭多星」的發射特點,也可滿足不同的飛行任務需要。
  14. Based on the formula which is used to compute the lateral resistance of single pile deduced by wang qitong, a formula is setup whose precondition is that the pile and the lateral soil directly around the pile deform in - phase. on the basis of that the contact stress of the foundation is equal, a formula that can be used to conform the stress - ratio of the composite ground is set up, on the same time, the principles of the deformation harmony of the soil and the piles in the composite ground are also discussed. combining with results of this test, a formula which can calculate the bearing capacity that considering the effect of group piles of the composite ground is also deduced

    視攪拌樁樁體為均質彈性介質,推導了復合地基中單樁樁長的理論計算公式;根據王啟銅柔性樁樁側摩阻力計算公式,以樁側土與樁體協調位移為前提推導了柔性樁樁側摩阻力的計算公式;以基底接觸應力均勻分佈,樁體、樁間土均質為前提,討論了樁,土協同工作原理,從而得出復合地基樁、土變形特性,以及樁、土應力計算公式;結合本次試驗,通過計算加時樁體與土體的分擔情況以及在極限狀態下樁土承力發揮值,提出考慮群樁應的攪拌樁復合地基承力計算公式。
  15. The influences of soil structure, confining pressure and strain amplitude on dynamic properties of recently deposited soils of nanjing and its surrounding areas are discussed. furthermore, based on test results and theoretical analysis, the averaging curves, recommended values and envelopes of dynamic shear modulus ratio ggmax and damping ratio versus dynamic strain for recently deposited soils of nanjing and its surrounding areas are presented. by use of vibration triaxial apparatus, nanjing silty clay and fine sand interbedded strata and nanjing fine sand were tested and their test results are discussed

    通過自振柱試驗,探討了土的結構性、圍壓和應變幅值大小對動作用下南京及其鄰近地區新近沉積土的動剪切模量、阻尼和應力?應變關系的影響;通過試驗和理論分析,給出了南京及其鄰近地區的粘土、淤泥質粉質粘土、粉質粘土、粉質粘土與粉砂互層土、粉土以及砂土等六類新近沉積土中典型土類的動剪切模量和阻尼隨剪應變幅值變化的平均曲線、包絡線和推薦值。
  16. Analytical solution was obtained for one - dimensional large - strain and non - linear consolidation of single - layered soil under time - dependent loading on the basis of some simplifications. meanwhile, semi - analytical method was proposed for solving more complicated consolidation problem and corresponding computer code was developed for one - dimensional large - strain consolidation analyses, in which, complicated factors such as selfweight, non - linear and rheological properties of soft soils can be all taken into consideration. the correctness of the method and that of the code were verificated through comparing the results with those obtained from available analytical solutions

    然後根據離散和解析相結合的原則,利用已的成層地基一維線彈性固結解析解,建立了能求解復雜一維固結問題的半解析方法,編制了相應的能綜合考慮土的非線性、流變、成層性、自重以及變等復雜因素的軟粘土一維大應變固結計算程序,並通過與已各種解析解的較對半解析法及其程序的正確性和性進行了驗證。
  17. Observing the mechanics and effect of the new strengthening method with test and finite element method is supposed to offer a guide for technology and become valuable in theory and practice. both compression test, including four reinforced and three control specimens, and shear - compression test, including nineteen reinforced and four control specimens are being studied in this paper. the research on the curves of load - strain, load - deflection and hysteretic shows that the transverse translation of the reinforced columns is well controlled with an upgrading of both ductility and ultimate bearing capacity ( ubc )

    本文對4根鋼絲網外噴高強砂漿加固鋼筋混凝土柱和3根對鋼筋混凝土柱進行了軸壓試驗研究,並對19根加固鋼筋混凝土柱和4根對鋼筋混凝土柱進行了剪壓試驗研究;通過對試件-應變曲線、-撓度曲線和滯回曲線等的研究表明,採用該加固方法能的約束柱子橫向變形,並對提高鋼筋混凝土柱的極限承力和延性明顯的果;同時根據理論及加固機理分析提出了適應於此加固方法的軸壓極限承力計算公式。
  18. And the results show that the calculated settlement agree well with that of measured. the paper established the dynamic pore pressure models of soft soil subgrade and composite foundation, compiled the dynamic fem program of undrained effective stress method, considering the elasto - plasticity of foundation soil as well as the interaction of pavement and foundation, thoroughly analyzed the deformation characteristics of pavement and foundation, and these results are instructive for the construction of pavement or airport runway

    本文建立了軟土地基和復合地基的動孔壓經驗模型,編制了不排水應力動力反應分析限元程序,不僅考慮了地基土體的彈塑性,而且考慮了道路結構與地基的相互作用,較全面地分析了交通作用下道路與地基的整體變形特性,對道路工程或機場道面工程的建設具一定的指導意義。
  19. An experimental study on steel fiber reinforced concrete ( sfrc ) thick cap with four piles indicates that the factors affecting its ultimate loads are composed of its effective thickness, steel fiber volume ratio, concrete strength grade, shear span length, steel ratio and the form of reinforcement, in which the factor of the form of reinforcement affecting the ultimate loads of pile cap is distinct

    摘要鋼纖維混凝土四樁厚承臺的性能試驗研究結果表明,影響其極限的因素主要承臺厚度、鋼纖維體積率、混凝土基體強度等級、承臺的剪跨、縱向鋼筋配筋率和配筋形式等,其中,配筋形式對鋼纖維混凝土厚承臺承力的影響是很顯著的。
  20. In - plane displacements of a typical suspension cable under the given vertical load are analyzed. the obtained numerical results are compared with the corresponding theoretical results and good agreement is found. this demonstrates the accuracy and validity of the proposed method

    在理論推導的基礎上先進行了懸索的大撓度靜力分析,對一典型懸索在豎向作用下的面內位移進行了實例數值計算,計算結果與解析方法得到的結果作了較,驗證了該方法的正確性和性。
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