根部載荷 的英文怎麼說

中文拼音 [gēnbùzǎihé]
根部載荷 英文
root load
  • 根 : Ⅰ名詞1 （植物的營養器官） root （of a plant） 2 （比喻子孫後代） descendants; posterity 3 [數學] ...
  • 部 : Ⅰ名詞1 （部分; 部位） part; section; division; region 2 （部門; 機關或組織單位的名稱） unit; mini...
  • 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
  • 根部 : [自動化] root segment; rhizine; root根部腐爛 butt rot; 根部害蟲 root feeding insect; 根部間隙 roo...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  2. Directed against the problem on confirming vertical bearing capacity of large diameter cast - in - place pile in the west of coteau area of yunnan province, the paper, analyses the influence degree of the variety of soil physics and mechanics property in area geology condition on bearing capacity of pile foundation, through 5 piles " loading test ; the influence degree of construction technics on bearing capacity of pile foundation under the influence of every exterior factors ; the influence degree of grouting injection around the pile shaft on bearing capacity of pile foundation

    本文針對滇西山區大直徑灌注樁豎向承載力確定存在的問題，進行了5根試樁的靜載荷試驗，分析了區域地質條件下土的物理、力學性質的變化對橋梁樁基承載力的影響程度；地下水對樁承載力的影響程度；各種外部因素影響下，樁的施工工藝對樁承載力的影響程度；通過在樁體周圍土中注漿對樁承載力的影響程度。
  3. 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。
  4. For the stress analysis of dryers under the line load of supporting rollers, according to hoff theoretical solution of thin cylindrical shell under line loads, mangelsdorf approximate solution is modified on the basis of the calculation analysis for 14 sets dryers " dimension by computer programming with matlab software. the approximate formulas of the second largest hoop stress of the middle section of the shell are derived

    針對托輥線壓載荷作用下烘缸的受力分析，本文根據薄壁圓柱殼在線壓載荷作用下的hoff理論解，在運用matlab軟體對14組常用烘缸參數進行編程計算分析的基礎上，對mangelsdorf近似解作了修正，並由最小二乘法導出殼體中部截面環向應力次大值的近似計算式。
  5. According to different working performance ofjhe partially prestressed structure after cracking under the piling loads, the calculating formulae of the " complete stress " are deduced separately by means of linear - elastic or nonlinear analysis method

    根據部分預應力構件在荷載分期作用下不同的受力性能，分別用線彈性方法和非線性分析方法推導了預應力構件開裂截面全應力的計算公式。
  6. In order to analysis the contact problem between elasticity roller and rigid plane, another iterative process is raised. supposing the right contact point has been known, the left contact point has to be found and the distribution of stick zone and slip one have to be determined in each iterative process. the outer load is evaluated according to the solved force distribution in contact zone

    針對彈性滾柱與剛性平面的穩態滾動接觸問題，採用已知接觸區右端點來搜索接觸區左端點以及區內粘連區、滑移區分佈的迭代搜索方法，並根據搜索得到的接觸區內分佈壓力反求出外部載荷。
  7. Presents the investigation of the heat conduction behavior, internal thermal stress field of specimen under thermal shock and microscopic damage and failure of the tungsten based composites by combination of macroscopic and microscopic analyses and integration of material science and mechanics ; describes a microscopic mechanical model based on the microstructure of components with macroscopic stress applied to the microscopic model as that of maximum principal stress at the center, and the fringe of the specimen, and the microscopic stress fields obtained through calculation by the finite element method, and concludes from test results that the maximum principal stress is first generated inside the test coupon, and a failure will be first initiated in the inclusion if the material fails at this time ; the maximum principal stress moves to the edge of the test coupon after the test coupon is heated for a period of time, and the failure will first be initiated in the base if the material fails at this time

    從材料設計的思想出發，採用宏觀與微觀、材料科學與力學相結合的方法，對鎢基復合材料的熱傳導行為、材料在熱沖擊載荷下的內部熱應力場及材料細觀結構的破壞行為進行了詳細的理論研究.根據鎢基復合材料的細觀組織結構建立了材料細觀模型.在宏觀分析的基礎上，分析了材料微結構內部的破壞行為.分別取試件心部與邊緣主應力值最大點的應力狀態，施加在所建立的模型上，用有限元方法計算了模型內部的彈性應力場.結果表明：試件主應力最大值首先產生在試件內部，此時，如果材料發生破壞將先從夾雜中開始；加熱一段時間后試件中的最大主應力值轉移到試件邊緣，此時材料發生破壞將先從基體中開始
  8. This paper presents a method of probability analysis in order to develop the general design and analysis methods for problems of the embankment stability under random storm wave actions as well as with random properties of the embankment medium. the major purpose of this study is carry out modellings of ( 1 ) probability analysis for the problem of seepage stability of levee projects ; ( 2 ) probability analysis for the problem of erosion due to washout sediments from the embankment ; ( 3 ) numerical analysis for coastal evolution due to beach erosion under energy actions of storm wave

    本文根據598084號年浙江省自然科學基金項目和g59901號國家教育部回國留學人員科研啟動基金項目的部分研究目標和研究內容的要求應用概率分析方法研究了在隨機風浪荷載作用下和築堤材料隨機性影響下防護堤壩抗滲流、抗沖刷穩定性的分析計算模型；用數值分析方法研究了在浪潮能量作用下岸灘侵蝕造成海岸演變問題的數學分析模型。
  9. Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings

    本文根據國內外有關低層房屋風荷載的全尺寸實測、模型風洞試驗及其理論方面的研究，包括本文進行的低層房屋屋面風壓分佈的風洞模型試驗和計算機數值模擬計算，對低層房屋的風荷載特性進行了系統而深入的研究，較好地揭示了低層房屋表面的平均風壓、局部風壓和壓力的波動隨房屋的幾何尺寸、屋面形式、屋面坡度、風向角、檐口構造、覆面材料和門窗開洞而變化的特點和規律。
  10. The paper puts forward an iterative process to searching for the contacted zone and the distribution of contact force, in the case of the outer loading has been known. the regularization algorithm is used to evaluate the mechanical parameters of the near - boundary points in contact bodies

    列出了運用邊界元法解決靜態接觸問題的基本算式，設計了根據已知外部載荷來搜索接觸長度和接觸壓力分佈的迭代搜索方法，運用幾乎奇異積分的正則化演算法，求解了接觸體內近邊界點的力學參量。
  11. In the test, static - dynamic method is used to measure the stiffness, the eight stiffness coefficients of the radial part and the two stiffness coefficients of the thrust part can be obtained though loading slowly to the testing bearing which is in a equilibrium position

    首先，對處于平衡位置的測試軸承分別沿水平方向、鉛垂方向及軸向緩慢施加載荷，根據靜動法原理求得各個轉速下測試軸承徑向部分內、外膜8個剛度系數以及推力部分內、外膜2個剛度系數。
  12. Because the different stiffness match of front and rear suspension is very influencing to the ride comfort, optimal model of ride comfort is developed, regarding the rms of driver ’ s acceleration as the objection, regarding the stiffness of front and back suspension as optimal variable, regarding quiet flexibility 、 dynamic flexibility 、 frequency and dynamic load as nonlinear constraints. by matlab program and using sqp, the optimal match of front and back suspension ’ s stiffness is achieved, this optimal model consider not only request of quiet 、 dynamic flexibility 、 frequency and damp, but also security of run and peace of road, it is closer to the fact than other models which only consider partial restriction

    由於前後懸架垂直剛度的不同匹配對汽車行駛平順性影響較大，論文建立以駕駛員垂直加速度的均方根值作為汽車行駛平順性優化目標值、以前後懸架垂直剛度作為優化變量的優化設計模型，並輔以靜撓度、動撓度、頻率、動載荷等非線性約束，使用序列二次規劃法，利用matlab編制優化程序，求得前後懸架垂直剛度的最優匹配值;此優化模型不僅包含動靜撓度及頻率和阻尼的限制，還考慮到汽車的行駛安全性和道路友好性，比文獻報道的只考慮部分約束的優化模型更切合實際情況。
  13. The bridges are pivotal stronghold of the whole road. it becomes more and more popluar that some existing bridges betray multifarious structure damage and the limitations below the anticipative functions inevitably by reason of structure aging or vehicle load increasing or adverse environment or maintenance deficiency. lt results in not only the local bottleneck of the line and hidden trouble to the passing vehicle if the defective bridges are not duly maintained and reinforced. as a result, the bridge evaluation is specially important to the maintenance and strengthening. futhermore, we can not demolish and rebuild only but adop corresponding measures according ad temporal condition when the bridges are deemed to have defectiveness. so it accords with the situation of a country that the reinforcement and other upgrade measures aim at the bridge attention

    由於結構自然老化、車輛荷載增加、不利環境影響以及養護維修欠缺，一部分橋梁不可避免地要暴露出各種結構損傷和既有橋梁不滿足規定功能要求的問題越來越普遍。如果這些技術狀況不佳的橋梁得不到及時的維修和加固，不僅會造成整條線路的局部瓶頸，而且還會對通行的車輛造成極大的隱患。因此，橋梁評估作為橋梁維修和加固的依據就顯得尤為重要；此外出現了技術狀況不佳的橋梁應根據實際情況採取相應的措施，而不能僅僅採取拆除重建的方法，因此加固和其他升級方法是目前比較符合中國國情的橋梁改造措施。
  14. In the part of the design of hydraulic loading system, constituting project of the hydraulic loading system of current test bench through comparing and analysing international and national current hydraulic loading projects and working out the pressure and flux of which according to the load and velocity and structure dimension of hydraulic executor - actuator. thus, choosing the power and hydraulic component and designing hydraulic loop

    在液壓加載系統設計部分，通過對國內外常用的幾種液壓加載方案的對比研究，最後確定了本試驗臺的液壓加載方案。根據液壓執行元件? ?油缸的外載荷、運動速度和結構尺寸我們便可以確定液壓加載系統的壓力和流量。
  15. What is taken account of includes the effects of the material, geometrical shape, manner of loading, ratio of cycle stress, residual stress and short crack in weld toe on fatigue strength

    該模型考慮了材料、幾何形式、荷載形式、應力比、尺寸效應、殘余應力及焊趾根部短裂紋等因素對疲勞強度的影響。
  16. In this thesis, according to rules of intensity design for standard gauge freight wagons, the major difference between the standard gauge and the meter - gauge was analyzed. especially, the longitudinal load is researched, and simulation programs are designed, the maximal longitudinal force between couplers is calculated in the situations of traction and brake. and based on the application situations of kunming railway bureau, the specification for the intensity design and accreditation test about the meter - gauge freight car is established

    本論文根據準軌貨車強度設計標準，對準軌、米軌差異較大部分，特別針對其縱向載荷進行了研究計算，編制了計算機模擬程序，求解了米軌貨物列車在牽引、制動等工況下車鉤間的最大縱向作用力，並結合昆明鐵路局米軌線路的實際運用情況，制定出了米軌貨車強度設計與試驗鑒定準則。
  17. Some hardware are used to construct data acquisition system, virtual instrument are used to compile data processing programs. just as expected, according to standard of iec61400 - 13, some diagram and curve are depicted in the end of dissertation, and program can provide life prediction method of wind turbine from damage theories in the end of dissertation

    疲勞載荷測試系統通過一定的硬體系統採集相關數據，在數據分析方面使用虛擬儀器軟體進行數據處理，使用功能強大的labview軟體編程，得到iec61400 - 13標準中所要求的曲線和圖表，最後根據損傷理論得到機械部件的疲勞載荷譜和疲勞壽命的估算方法。
  18. Abstract : on the base of the analysis of kinematics and dynamics f or i ntroduced some types of cone crushers, this paper constructs the dynamics models with the fin ite element method on the main components of the cone crushers, such as main shaf t, moving cone and offcentering axial bushing. according to the characters of the load, the paper simplifies and counts the external loads. then using the software of ansys and employing the elements of high accurate three dimension block, the paper analyzes the strength and rigidity of the finite element method and a ttains valuable results

    文摘:在對引進的某型圓錐破碎機的運動學及動力學分析的基礎上，建立了該破碎機主要部件主軸、動錐及偏心軸套的有限元分析模型.根據載荷特點，簡化並計算了外載荷.應用ansys軟體，選用精度較高的三維塊單元，對其進行了有限元分析，得出了具有參考價值的計算結果
  19. Base on the kinematics relation of ctp, the corresponding reynolds equation or average reynolds equation, fluid film thickness equation under qusi - stable state in polar coordinates, balance equations of load and moments under full - film contact and partial - film contact states were set up respectively. these model equations were calculated by the finite difference method, and the instantaneous 3 - d distribution of fluid pressure and the slurry film was simulated by the matlab software

    根據ctp的運動關系，分別建立了極坐標下，全膜接觸工況時的非穩態牛頓流體在ctp過程中的一般reynolds方程、流體膜厚方程、載荷平衡方程和轉矩平衡方程，以及部分膜接觸工況下的平均reynolds方程、平均膜厚方程、接觸壓力方程、總載荷平衡方程和總轉矩平衡方程。
  20. In accordance with the characteristics of repeated impact load, and from the aspects of stress wave transmission, repeated impact wear, hardening and softening of repeated impact and plastic deformation of repeated impact, an experimental study on partial mechanics behaviors of samples bearing laser melted clad coating under repeated impact load was carried out

    摘要根據多次沖擊載荷的特性，從應力波傳播、多沖磨損、多沖硬化與軟化和多沖塑性變形方面，對帶有激光熔覆層試樣在多沖沖擊載荷下的部分力學行為進行了試驗研究。
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