載荷變形 的英文怎麼說

中文拼音 [zǎibiànxíng]
載荷變形 英文
deformation under load
  • : 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
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的化規律進行了研究,分析了加錨支護對隧洞圍巖應力、的影響。
  2. Find the angular deformation sustained with such loading.

    求在這種下出現的角
  3. It can be said that the solution to the space problem of limit load and the calculation of foundation bearing capacity for deformed groundwork have some academic and scientific value. the dynamic pile testing of foundation and batholith as well as deep well load testing system has been put into use in real work environment and gained some social and economic benefit

    本文關于界限的空間問題解答,考慮地基的地基承力工程演算法具有一定的學術價值;本文中的地基(及巖基)承力動測法及深井試驗系統已在工程實踐中應用,並取得了較好的社會和經濟效益,具有一定的工程實用意義。
  4. 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的地基承力問題進行了實用化的探討,提出了考慮地基的地基承力上程計算方法;對基於彈塑性理論分析的地基承力國內尚未見報道的空間問題得到了圓基礎(空間問題)的承力界限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基礎(平面問題)的界限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、土力學計算及深斤試驗四方面進行了深入討論;本文作者根據多年現場試驗的工程實踐,對深井試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加系統,該加系統具有實用、簡便、穩定及安個等優點。
  5. The bird strike is similar to adding a high velocity rate loading to the aircraft wndshield, and thus results in the wndshield ' s high stain rate deformation

    飛鳥對于風擋的撞擊,類似於對于風擋施加一高速率的,從而引起風擋材料以很高的應速率
  6. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路,系統總結了小結構動力學有限元數值計算方法、有限的幾何非線性有限元數值計算方法、粘彈性體非線性的本構物理關系;對于實施復雜結構有限元動力學計算的增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。
  7. The research is that : after the same cyclic number of loading times, the steel stress of reinforced beams was much smaller than that of common beam ; the deflection of reinforced beams was decreased by 40 % - 50 %, therefore, the anti - transformation of the reinforced beams is enhanced greatly

    研究發現:經過相同次數的疲勞作用后,完好加固梁的鋼武漢理工大學碩士學位論文筋應小於未加固梁,加固梁的減少了40 %一50 % ,加固梁的疲勞壽命提高t60 % ~ 80 % 。
  8. Then, by using the great fem programme and the drucker - prager model, the thesis establishes the pile - soil model of super - long piles, analyzes the mechanism of bearing and deformation of super - long piles under vertical loading systemically, studies the characteristics of q - s curve, bottom resistance, pile shaft resistance and critical length of super - long piles in detail, acquires some practical guidance conclusion. secondly, with a practical engineering, the author expatiates the bearing characters of super - long piles farther. the thesis points that super - long piles are frictional piles under the condition of working loading

    然後應用大型有限元程序,採用土的drucker - prazer模型,建立了超長樁分析計算的樁土模型,系統分析了超長樁在豎向作用下的承機理和特性,研究了超長樁的?沉降特性,端阻、側阻的發揮性狀以及超長樁的有效樁長,得出了具有實際指導意義的結論。
  9. 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,每個椎骨的相對椎間盤的小得多,把脊柱看成由剛體(椎骨)和體(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
  10. Most of the theoretical researching of correcting building technique skimpily focalized point on deformation of soil released stress. the change of loading and deformation of foundation and structure were seldom considered

    糾偏技術的理論研究,大多單純著眼于土體在應力釋放后自身的狀況,很少考慮到結構和基礎的及上部化與土體的相互影響。
  11. A granular material designed for maximum stability should possess high internal friction to resist deformation under load.

    為得到最大的穩定性而設計的顆粒材料應具有高內摩擦力而抵抗下的
  12. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基化規律、樁和樁間土協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。
  13. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應率壓縮下,材料的和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  14. This paper presents the experimental results of typical elements of field works such as reinforced concrete beams, fiber glass reinforced plastic honeycomb sandwich plates, flexible covers ; examines the interrelationship of the loads and deformation under the condition of large deformation ; obtains the laws governing the interaction of the medium and the structure ; solves the design and calculation problems related to shallow buried structures in soil

    本文在對大量試驗資料進行整理和作了大量分析計算的基礎上,選取了野戰工事中有代表性的構件即鋼筋混凝土梁,玻璃鋼蜂窩夾層梁式板和帆布被復作為研究對象進行試驗研究。深刻地考察了大條件下之間的內在關系,進而掌握了介質與結構相互作用的規律,較好地解決了土中淺埋結構的設計計算問題。
  15. A concept named modified or generalized simply supported edges is therefore introduced, i. e., superimposing altogether the solutions to the rectangular plate with four simply supported edges on which the uniformly distributed load locally acts, to the rectangular plate with four simply supported edges of which one of them is under the action of distributed bending moment and to the rectangular plate with various generalized simple supported edges and then taking the continuity condition of boundary, so as to let the result of superimposition satisfies all boundary conditions, an analytic solution is given to the rectangular overhanging plates on which any kinds of loads are acting

    使用了相的或廣義簡支邊的概念,將四周簡支局部作用分佈板的解、四周簡支一邊作用分佈彎矩矩板的解及各種具有廣義簡支邊的矩板的解進行疊加,並應用邊界連續性條件,令這樣的解滿足所有邊界條件,得到了任意作用下矩外伸板的解析解。
  16. In the procedure, the column is first divided into a finite number of small segments in equal length. the deflection - curvature relation of each segment is determined using the finite - difference method. the final nonlinear algebraic equations are then obtained by means of the equilibrium condition for each segment

    運用這種方法,先將長柱離散成若干等長的柱段,利用差分方法求得各柱段截面上的撓度與曲率的關系,再根據各截面上外力與抵抗力的平衡條件,得到一組關于關系的非線性代數方程組;本文對該方程組採用增量法進行迭代求解。
  17. In the paper, the load incremental method is adopted. by the way of reducing the elastic model of the destructive blocks in the elements, the finite element analysis model is revised and the repeated computing process does n ' t finish until the results are converged. the proposed method can simulate the entire process of concrete structures from crack to complete damage

    分析中採用增量法,對各級下單元中破壞的材料分塊進行彈模折減處理,並重新生成單元剛度矩陣,經過多次迭代直至計算收斂,從而可以給出各類cfrp加固混凝土結構的?全過程曲線,並預測其極限承力。
  18. The cross short rollers guide way and servo feed - system are the most important parts of 3mz204cnc bearing internal grinding machine made by luoyany bearing research institute. - we have analysised firstly the factor of influence with roller guide way rigid, and we have obtained a load - distortion curve. we also have analysised the dominating factors influence with distinguish ratio of guide way, and we have obtained a solution about pre - tighted load which were tested by experiments

    本文對洛陽軸承研究所研製的3mz204cnc全自動內圓磨床的核心部件:十字交叉滾子導軌和數控進給系統展開研究,首先對影響滾動導軌剛度的因素進行分析,得出?曲線,對影響導軌解析度的各因素進行分析,得出預緊力大小與分佈對解析度和起動力的影響,並通過實驗驗證。
  19. Structure deformations rely mainly on shearing deformation in structures above the transfer girders under the trigonometry load or uniform load, and rely mainly on linear deformation under the concentrated load

    轉換梁以上結構在頂點集中以直線為主,在倒三角和均布以剪切為主。
  20. The efficiency of the pile group is about 0. 9. according to the geology of experiments, the results of presented method agree well with those of the experiments. this further proves that the generalized elastic theory is reasonable and reliable

    根據原型試驗和模型試驗的地質條件,分別選擇計算參數,計算曲線,同試驗結果取得了比較好的一致,進一步說明計算理論和計算方法的合理性和可靠性。
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