支承系數 的英文怎麼說

中文拼音 [zhīchéngshǔ]
支承系數 英文
bearing factor
  • : Ⅰ名詞1 (分支; 支派) branch; offshoot 2 (地支) the twelve earthly branches3 (姓氏) a surname...
  • : Ⅰ動詞1 (托著; 接著) bear; hold; carry 2 (承擔) undertake; contract (to do a job) 3 (客套話...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體,引入發展、協調、公平,以及由其構成的衡量水資源撐社會可持續發展綜合水平與能力的可持續發展,提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源載能力研究,論文根據生態適宜性理論,建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對正態分佈模型。基於此關模型,利用遙感技術成果以及植物生理需水的現場實驗據,提出了乾旱區天然植被生態需水量計算方法。
  2. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦及摩擦力隨上部結構荷載變化的規律; (二)通過單柱載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限載力和極限變形、及榫卯減振參; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參等進行了定量分析。
  3. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容重、側壓力、垂直荷載高度或埋深、圍巖的彈性抗力護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  4. Then, the author provided ways to control flexible support systems " displacement on the base of study the capability of flexible support systems. at the same time, the author analyzed the self - vibrating capability of flexible support systems and study the influence of parameters " changement

    同時,對柔性的動力性能進行了開拓性的研究,分析了空間柔性的自振特性,以及矢高、桿件截面、質量等不同參對其動力特性的影響。
  5. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-統的振動現象做了以下初步探索:用質量離散化方法把原轉子統簡化;採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-統的臨界轉速;用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算統的不平衡響應;並針對其過臨界轉速時振動較大的現象,提出採用變間隙控制油膜剛度和阻尼,從而使原統的在特定轉速(臨界轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行值模擬,取的了較好的控制效果。
  6. It can not only be used as big - size bearings trouble diagnosis instrument, but also it can be used as large data saving capacity and high frequency data collection instrument

    統還具有很大的靈活性和擴充性,不僅可以作為回轉故障檢測儀用,也可以作為大容量高速據採集儀用。
  7. B ) soil nails support : according the geological condition, meeting the need of one nail and whole soil nails, the thesis confirm the length and number of soil nails

    B )土釘列:根據工程地質條件,滿足了體穩定性和單根土釘極限載力的條件下,確定了土釘的長度和根
  8. Generally, the skew bridge ' s calculation theories can be divided into three types : the category 1 is the plank theories method, such as the finite difference method, the finite element method and the finite strip method, etc ; the category 2 is the beam theories, such as the grid beam theories, the general grid theories, the rigid cross - beam method, the elastically - supported continuous beam method and the bar system analytical method, etc ; the category 3 is the practical method, such as the g - m revising method, the grid - beam simple method and ghali form coefficient method, etc

    目前關于斜梁橋的計算理論和方法概括起來,大致可以分為三類:第一類為板理論方法,如有限差分法、變分法、有限單元法、有限條法等;第二類為梁理論法,如格構梁理論、一般格構理論、剛性橫梁法、彈性連續法、桿件結構的分析方法;第三類為實用計演算法,荷載橫向分佈的計算方法如g ? m修正法、格構梁的簡易法、 ghali表格法等。
  9. The maximal load - carrying capability of the arch support is calculated by adopting mechanical model of curved beam based on its force analysis, and relationship between bearing capacity coefficient of small curvature arch support and radius and span of curved beam is gained based on supporting capacity comparison of curved beam and straight beam

    採用曲梁模型進行了統的受力分析,得到其最大載能力;通過與直梁載能力相比較,得到了小曲率拱型載能力與曲梁跨度和半徑的影響關
  10. With the construction of the west of our country developing at top speed and the need of construction of mountainous expressway, the tunnel engineering, especially the tunnels on the mountainous expressway, will be increased. if the design of support structures of the tunnel still adopts traditional design methods, it will be difficult to give full considerations for the reasonability in economy of the sections of the support structures and for the reliability of bearing capacity and stability of the support structures

    隨著我國西部建設的高速發展和山區高速公路建設的需要,隧道工程特別是山區高速公路隧道工程將會日益增多,隧道護結構的設計若仍採用傳統的隧道護結構設計方法將難以充分兼顧護結構斷面經濟上的合理性和護結構載力與穩定性的可靠性,往往安全偏大,不能達到「最優設計」的目的。
  11. By means of the measuring the natural frequencies of a beam on a elastic foundation together with the transfer matrix method and the computer algebraic language , the paper deduces the high - order equation , which contains unknown quantity of the stiffiness of supports. this method , the validity of which has feen verified by experiments , can be applied to identifying the foundation coefficient

    本文通過實測彈性地基梁的固有頻率,以傳遞矩陣法為基礎,利用計算機代語言,導出以剛度為未知的高次方程,從而識別出地基,並通過實驗驗證該方法的正確性。
  12. 4. as for the design of this kind of structure mentioned above, the thesis " ana1yzed " systematica1ly the inf1uence of the over1ay of the two - - way reinforcement on its u1timate. 1oad capacity, the deciding of such important factors as the depth - - span ratio and the rib spacing etc

    針對周邊雙向密肋夾心樓蓋的設計,本文結合實例,較為統地分析了兩向鋼筋重疊對樓蓋極限載力的影響以及樓蓋高跨比、肋間距等參的取值等問題,為該類樓蓋的設計提供參考。
  13. General model c38 dc meters are portable taut - band suspended moving coil instruments with light - spot indication. the meters have the feature of extremely high in sensitity and small in consumpition being particularly suitable to be used for measuring weak electric quantity on dc circututs, also for testing the static paramenters of transistors as well for measuring the output of millivolt values of zhermocouple in the vacuun furnaces ( or hydrogen furnaces )

    C38型直流電表是磁電張絲光點指示可攜式電表儀表具有極高的靈敏度,功耗小,特別適合弱電量直流電路測量及晶體管靜態參測試用以及用做真空爐(或氧氣爐)中測量熱電偶的輸出毫伏值
  14. This paper firstly analyses the various reasons and dangers caused by unbalanced rotors according to information and experiments, after these, different balancing methods for different types of unbalancing rotors were discussed. on the basis of the theory that discussed above, the paper analyses different types methods of measuring especially wattmeter measuring system and character of signals of hard bearing dynamic balancing system and designs a hard - bearing microcomputer - based measuring system for different types of hard bearing dynamic balancing machines. using advanced technology both in hardware and software of the modern, this system aims to reach the general goal of great mass, high precision, easy - to - operate and lows cast

    本文在文獻資料和實驗的基礎上,分析了轉子不平衡產生的原因及危害,論述了各類不平衡轉子的平衡方法,在此基礎上根據生產實踐的需要,以mcb - 980通用硬平衡機為基礎,以剛性轉子為研究對象,分析各種測量方法尤其是瓦特表測量統的優缺點及力測量動平衡機統的信號特點,建立了一種新的剛性轉子雙面動平衡的學模型,分析了求取動不平衡量大小和相位的原理,在此基礎上開發了一種以工控機為主機的硬動平衡機微機化測量統。
  15. Though investigation, it puts forward the formulas to slip strain and slip of the simply supported composite beams, establishs formulas of the carrying capacity, curvature and deflection to composite beams with partial shear connection, finds out relationships between shear connection degree coefficient and them. it can develop benefit of technology and economics in design to adjust the shear connection degree

    通過理論分析,本文提出了簡組合梁滑移應變、滑移的計算公式;推導了簡文組合梁考慮滑移效應的載力、曲率和變形的計算公式;得出了它們與剪力連接程度的關,通過調整剪力連接程度可以提高組合梁設計的技術經濟效益。
  16. Study of practical formula about strength and rigidity of 6 - point - supported - glass using the super sap fea software to solve different calculation models - which have different parameters, such as a / b, a / c and so on, this paper achieves a series maximum deflection coefficients and maximum stress coefficients, then form calculation formulas of maximum deflection and maximum stress under the load of wind

    6點玻璃強度剛度實用的計算公式研究採用supersap有限元分析,求出不同的計算模型(玻璃板的尺寸參量a b , a c不同) ,得出一列最大撓度和最大應力,形成6點玻璃在風載荷作用下的最大撓度計算公式和最大應力的計算公式。
  17. Through the experimentation for the physical performance of cfpb masonry under local compression, the author has observed the deformation and failure of cfpbm. based on the mathematical statistics and regression analysis of the experimental data, the author derived a feasible and common formula for counting the cfpbm ' s local compression strength regarding the different local compression locations, analyzed stress distribution of local bearing masonry under beams end, and provided the calculating formula on effective supporting length of beam end in brick masonry. as the results of experiments demonstrate, owing to the cfpb ' s own holes " system, the beneficial effects, the bounding effect of surrounding masonry and the spread effect of force, have not developed completely

    試驗結果分析表明:由於多孔磚自身的孔洞結構,砌體內部的圍箍作用和力的擴散作用未得到充分發揮,局壓強度雖較軸心受壓強度有所提高,但仍低於同情況下實心磚的局壓強度;當有上部荷載作用時,對砌體局壓有利的懸臂卸荷作用和內拱卸荷作用均不明顯,因此在推導梁端局壓強度計算公式時,未考慮此可能存在的有利影響,計算偏安全;局壓強度提高公式除採用規范公式(二項式)的表達式,還用對式進行了回歸推導,得到了一個較為普遍的公式;論文還對梁端局壓的梁端有效長度計算公式進行了回歸推導。
  18. The main content and achievements of the paper are briefly summarized as following : deducing and verifying the formula of deflection about 6 - point - supported - glass based on a series deducing of mathematics and physics, the formula of deflection about 6 - point - supported - glass has been gained, subsequently verified through fea

    本文的主要研究結論和成果如下: 1 6點玻璃撓度計算公式推導及有限元分析驗證通過一理方程的推導,得出6點玻璃撓度計算的表達式,並用有限元分析值計算結果進行驗證。
  19. Meanwhile, dynamic responses at pile head are investigated. it is sh own that the effects of pile slenderness, bearing stiffness of pile toe and the pile - soil modulus ratio on pile impedance are major whereas the ones of the permeability and the soil reaction coefficient are minor

    對影響樁振動特性的主要因素進行了分析,結果表明,長徑比、樁土模量比及樁底支承系數對樁的動力響應影響顯著,而滲透作為飽和土的一個重要參,由於荷載作用時間問題,對樁的動力響應影響較小。
  20. A new method is necessary. in this paper, we employed the i - deas software to developed a 3 - d model and make a finite element analysis ( fea ) on slewing frames based on the nominal loads and geometry parameter of crane qtz63, aimed to find the principle of the area with high stress and big deformation and estimated the effect on the whole tower crane system

    本文以qtz63塔機為研究對象,按設計提供的載荷及幾何參,運用i - deas軟體先對回轉統三維建模,再進行結構有限元分析,依據強度及變形結果,找出塔機各種工況下高應力區域、變形明顯部位出現的規律,並分析對塔機統產生的影響。
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