極限摩擦力 的英文怎麼說

中文拼音 [jíxiànmócālì]
極限摩擦力 英文
ultimate friction capacity
  • 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
  • 摩 : 摩構詞成分。
  • 擦 : 動詞1 （摩擦） rub 2 （用布、 手巾等摩擦使干凈; 揩拭; 抹） wipe; scrub; clean 3 （塗抹; 搽） spre...
  • 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...
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 摩擦力 : dynamical friction
  • 摩擦 : 1 （互相接觸的兩物體作來回相對運動） rub; chafe 2 [物理學] （相互接觸的兩物體在接觸面上發生阻礙相...
  1. 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支、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系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，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、極限承載力、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、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （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系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承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、耗能減振參數等進行了定量分析。
  2. 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。
  3. The experiments show that the bearing capacity of super - long and large - diameter bored piles is mainly contributed by side friction, especially by their upper and middle parts, even under the bearing limitation, the ratio of base resistance to the total load is very low because of the soil residue at the bottom of piles, so this type of piles is friction ones

    試驗表明:即使在極限荷載下，超長樁的豎向承載力仍主要由樁側摩阻力提供，且主要集中在樁的中上段，下段摩阻力很小，樁的端阻力由於樁底沉渣的影響也難以發揮出來，所以超長樁為典型的摩擦樁。
  4. The static triaxial test of two engineerings shows that the breaking strength of asphalt concrete declines significantly as the temperature rises and the strain increases noticeably when breaking. increase in the asphalt content leads to decrease in tangent modulus and cohesion, but the internal friction angle tends to increase. increasing confining stress results in the augment of the maximum stress and the ultimate value of volumetric strain

    兩個實際工程的靜三軸變形與強度試驗表明，隨著溫度升高瀝青混凝土破壞強度明顯降低，破壞時應變明顯加大；瀝青含量的增加會導致切線模量和凝聚力降低，但內摩擦角趨于增加；周圍壓力增大會導致最大應力_ d增大，其體變壓縮極限值也越大。
  5. The signal processing software was developed by vc + + tools. the modules of the software including board controlling, signal input, data saving, figure display, statistic computing, filter design, spectrum analysis, etc. based on the experiment performed on the piston ring - cylinder bore wear tester, the friction force and max scuffing load under different liquid - solid lubrication ( the solid concentrations are 0 %, 0. 02 % and 0. 1 % by weight, the type of particles are mos2 and udp ) is investigated in this thesis

    然後，以內燃機中的活塞環-缸套摩擦副為目標，在活塞環-缸套摩擦副實驗臺架上進行模擬實驗，考察在不同二相流潤滑（潤滑油分別為純潤滑油、含納米級金剛石粉（ udp ） 、二硫化鉬粉（ mos _ 2 ）的濃度為0 . 02和0 . 1的液-固二相潤滑油）條件下摩擦副的摩擦力及極限擦傷載荷的變化。
  6. An oil agent has a low load bearing capacity, extreme pressure andantiwear additives often contain the element of sulph, phosphorus, chlorine, which pollute surrouding enviorement, which have been restricted to use overseas. deweloping lubricating oil additive with good antiwear, high load - bearing capacity and self - repair of wear surface is one of the important questions in tribology

    油性劑的承載能力低，極壓抗磨劑多為含硫、磷、氯的有機物，污染環境，在國外已被限制使用。發展具有良好抗磨性能、高承載能力、對磨損表面具有一定修復功能的潤滑油添加劑是摩擦學領域的前沿課題之一。
  7. As the load increases, when the pile is no longer the pure friction pile, the method is also applicable for the cases that the pile has end support or the friction acting on the pile reaches limit

    隨著荷載的增大，當樁體不再是純摩擦樁時，計算方法同樣適用於有樁端力或樁側摩阻力達到極限值的情況。
  8. In this paper, ansys is been used as numerical method. base on one example, fem model is created by using parameterized modeling and the develop technique by ansys, the effect of the model size has been studied. lt has been certified that the proper parameter value of the model is helpful to develop the analysis accuracy. the length, the diameter and the elastic modulus of pile is changed to study their effect. the analysis shows that : as to frictional pile, big length, big diameter, and great modulus is helpful to develop the bearing capacity of piles

    並分析了模型尺寸對分析結果的影響，結論表明，適當的選取模型參數，有利於分析的精度的提高。文章還通過改變不同的樁土系統參數，樁長，樁的直徑，以及樁的彈性模量，得到了樁土系統的響應，繪制了p ? s曲線，結論表明，對于摩擦樁而言，增大樁長，提高樁的直徑，或者提高樁的彈性模量，有利於提高單樁的極限承載力。
  9. With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure

    通過分析比較，論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點，並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序，以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究，得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論；採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析，重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用，得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論；通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究，得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。
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