設計有效載荷 的英文怎麼說

中文拼音 [shèyǒuxiàozǎi]
設計有效載荷 英文
design payload
  • : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 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
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  • 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. 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,含襯砌、等加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程著重要的參考意義;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限元方程的算格式,為開發運用大型商用限元軟體msc . marc提供了理論根據,也形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、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等粘質阻力系數等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的建議
  3. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重道路路面中所存在的問題,從重交通特性出發,收集分析了國內幾條重道路的交通及軸組成情況,根據重交通的特點,分析原圖式的不足,提出了適合於重瀝青、重水泥混凝土路面的圖式;同時,在重水泥混凝土路面疲勞方程及重瀝青路面破壞機理研究的基礎上,通過對重路面軸換算公式的進一步研究,分別提出了適合於重水泥及重瀝青路面的軸換算公式;此外,本文還對重水泥、重瀝青路面的指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重路面的方法,並使之地運用到工程實踐中。
  4. 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按正交理論對樁端承力進行模擬算,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算值與現場小壓板試驗值進行比較分析,得到大直徑樁端阻的尺寸應系數算公式。
  5. A port tyre crane has various parts and complex structure, which is made up plenty of beam - bar and shell elements, manual calculation can not guarantee the precision while finite element method needs onerous structure modeling and a great deal of date input. the finite element analysis and modeling of the port tyre crane are difficult because of complex structure and various loads. in order to fit further more design and exploitation of the same type as well as the upgrade of the production i study a kind of parametric software for structure analysis of the port tyre crane, it can reduce the difficulty of modeling and structure analysis as well as improve efficiency

    港口輪胎式起重機部件繁多、結構復雜,由數目眾多的梁桿與板殼組成,其結構和力學分析使用傳統的手工算方法難以保證精度,限元方法則需要繁重的結構建模和大量的數據輸入,並且要求分析人員具相當的力學知識和限元基本理論。港口輪胎起重機結構的復雜性、工況的多變性導致港口輪胎起重機結構限元建模和分析工作率低、難度大。針對這種情況本課題研發了一套港口輪胎式起重機結構的限元參數化分析軟體,以適應同類機型的進一步開發和產品升級換代,降低建模和分析的工作難度,提高工作率。
  6. The principal conclusions include : ( a ) the composite system is composed of both active - bearing structural members and inactive - bearing ones, being of a character of combination of rigid retaining structures with flexible ones, so its working mechanism will be behaved as sharing loadings, waterproof and impermeability, loading transfer, local reinforcement and pre - reinforcement ; ( b ) the experimental results show that much more subsoil will participate in retaining action, soil stresses of internal slope will be shared uniformly and deflections caused by excavation will be reduced notably because of cooperation of nails and cement - soil mixing pile wall ; and ( c ) the internal forces of facing in vertical model will be a control factor of design and the cross section tensile strength of cement - soil wall will govern strength of the

    主要研究結論: ( 1 )復合土釘支護的作用機理主要為臨時加固土體以保證局部穩定、機聯系以共同承擔、改善土體性質起到止水抗滲作用。 ( 2 )試驗結果表明:復合土釘支護能夠充分調動周圍土體共同作用,地控制基坑變形;復合土釘支護中止水帷幕的插入深度和強度對控制邊坡變形與失穩較大作用;復合土釘支護果明顯優於一般的土釘支護。 ( 3 )面層與邊坡土體共同變形,時可按外力作用下的彈性地基梁進行算。
  7. The retaining wall reclining on the slight slope built on soft foundation is usually used in protecting the shore of river, the contradiction between the lack of impartiality in stress of the base and the small stress allowed by the foundation as well as the lack of stabilization of the breast wall is a hard nut to crack in the engineering. in the paper, a tenon - base is added under the base of the retaining wall, on the study of the choice of the parameters and formulas used in calculation and the research of theory used in calculation, method used to deal with the load, etc, the writer gives a way to crack the nut mentioned above paragraphs and presents a qualitative and quantitative analysis about them, such as the equivalent inner friction - angle ( d ) and the passive press of the clay ( ep ), etc. in the end of the paper, using modern optimization method, a design of the retaining wall reclining on the slight slope built on soft foundation is done, the result is economical, and accords with the fact

    軟基上的仰斜式擋土墻在水利工程河道護岸中經常遇到,仰斜式擋土墻基底偏心應力較大和軟基土地基容許承力偏小的矛盾以及擋土墻抗滑穩定不足是工程中難以解決的難題。本文在對仰斜式擋土墻算參數的選擇、公式的選用應該注意的問題進行了研究,對河道護岸軟基礎上的仰斜式擋土墻採用凸榫基礎處理的方法,就其算理論、驗算中各的具體處理方法進行了較為細致的研究,提出了解決軟基礎上的水工仰斜式擋土墻難以解決的難題的方法,並對水情況下粘土等內摩擦角_ d 、凸榫被動土壓力e _ p等在算中的取值提出了定性和定量的分析。最後利用現代優化方法對軟基礎上的水工仰斜式擋土墻進行了結構優化,得出了符合實際的結果,與其它重力式擋土墻形式進行比較,取得了明顯的經濟益。
  8. Introduced by prestressed pier in the gate of spillway in xiao xia hydroelectric power station, the text reasonably established 3 - d finite elements mechanic model by the advanced finite elements popular in the world which can expediently impose tension of anchor funicular at its place. it also considered possible diversified combination of loading, and indicated that the effect of its prestressed action is fruitful compared with its conventional counterpart by study of mechanic calculation in comparison. as a result, it vastly improved burdening state of pier. by analysis of 3 - d finite element method, it also gained the stress result indifferent boundary conditions such as breast wall joint support and fixed support, and the displacement result in diversified loading combination. those results gained the instructive and reference value in design of prestressed pier

    本文結合黃河小峽水電站泄洪閘預應力閘墩這一工程實踐,採用國際上已成熟的限元方法,合理地建立了預應力閘墩的三維限元模型,該模型可方便地按預應力錨索的點位施加錨索預張拉力,考慮了可能發生的多種工況組合,並與無預應力閘墩結構進行了對比分析研究,指出其預應力果是明顯的,可以大大改善閘墩結構的受力狀態,通過三維限元分析,還得到了胸墻簡支、固端不同情況下的應力成果和各下的位移成果,這些成果的取得對預應力閘墩的一定的指導和參考價值。
  9. In this paper, single fiber composite fragment ( sfc ) method, which is one of the most widespread and effective experimental methods for determining the mechanical properties of interface, was adopted to study the load transfer mechanism and to evaluate the adhesion performance of composite with surface - treated fibers. this is helpful for optimization design of interface

    本文採用了目前最為流行、最為的直接測定界面力學性能的實驗方法之一? ?單纖維復合材料斷裂實驗研究了纖維樹脂界面傳遞機理,分析了幾種纖維表面處理復合材料界面的粘結情況,對界面的優化一定的指導作用。
  10. Then the coupling beams with new reinforcement layout were made an inquiry into, and the improvement on the seismic behavior by coupling beams diagonally reinforced with a few rows in end regions was found out at last, based on the observations of the experimental phenomena and the analysis of the measurement result, and by the comparison of seismic behavior by making use of hysteretic response, ductility and energy dissipation behavior, a conclusion is presented : the code for design and construction of reinforced concrete high - rise structures ( the draft asked for advise hi 2000 ) ca n ' t ensure that the coupling beams have fairly good seismic ductility ; the result of improvement of the seismic ductility of the coupling beams by the increase hi stirrups besides the strengthen of longitudinal detailing reinforcement was n ' t obvious ; the coupling beams diagonally reinforced with a few rows in end regions have fairly good mechanisms, and the ductility and the behavior of energy dissipation are better than conventionally reinforced concrete coupling beams, so it is suitable to te tised in short coupling beams

    本文通過對三根小跨高比(均為l h = 1 . 0 )剪力墻洞口連系梁在低周反復作用下的試驗,了解了嚴格按《鋼筋混凝土高層建築結構與施工規程》 ( 2000年徵求意見稿)的連梁具的抗震性能,研究了採取增大連梁配箍量同時加強縱向構造筋的方案對抗震性能的影響,並進一步對新的配筋形式的連梁進行了探討,了解了在連梁梁端配置多排交叉斜筋方案對連梁抗震性能的改善。通過對試驗現象的觀察和量測結果的分析,利用?位移滯回曲線、延性和耗能性能等指標對各個試件的抗震性能進行了比較,最後得出結論: 《鋼筋混凝土高層建築結構與施工規程》 ( 2000年徵求意見稿)不能保證小跨高比連梁具較好的抗震延性:通過增大連梁配箍量同時加強縱向構造筋的方案對改善連梁的抗震延性的果不太明顯;梁端配置多排交叉斜筋的連梁具相對較好的受力性能,其延性和耗能性能等各項性能指標均優于普通配筋連梁,宜在深連梁中採用。
  11. Through the bonding tests and the theory analysis between the advanced composite glass sheets and the concrete under the general load - carrying condition, the iterative load - carrying condition, the freeze - thaw action, and the defective bonding, the calculative model has been established, and the numerical value of fibre sheet strain under different load - carrying has been confirmed. the bond strength calculative expressions for the concrete bonded with glass fibre sheet under the pull - shear and the bend load - carrying conditions have been established. the author put forward the decreasing coefficient and the calculative expressions for the influence of reinforce effect by the non - effective area and the calculative expressions for the influence of the freeze - thaw action on the carrying capacity of the concrete beams

    本文採用美國泰扶高強復合玻璃纖維布以及與之性能相當、由南京玻璃纖維研究院自行研製開發的egfw430型玻璃纖維布兩種材料,通過在靜、重復、凍融及缺陷粘結條件下的高強玻璃纖維布與混凝土粘結性能的試驗研究與理論分析,建立了玻璃纖維布-混凝土的粘結算模型,明確了不同受力狀態下纖維布應變的取值,提出了玻璃纖維布-混凝土抗剪粘結強度的算公式;確定了考慮非粘貼面積對加固果影響的折減系數;給出了凍融循環次數引起承力下降的插值算方法;並驗證了重復作用下玻璃纖維布與混凝土良好的粘結性能。
  12. The proposed analytical method and those research findings can be consulted in the engineering practice, the buckling bearing capacities, and the time - dependent behaviour design of cft columns and cft arched bridges

    本文所得出的主要結論和關研究成果可供鋼管混凝土構件以及大跨度鋼管混凝土拱橋的承和長期應分析參考。
  13. The analysis in this paper have been verified by experiment firstly, the structure and mechanical characteristics of sliding - plug door are described in this paper. secondly, on the base of the study of the work condition and limited load, the dynamic load - time curve is created. and then the finite element model of sliding - plug door is built by using material equivalent

    本文首先總結和探討了塞拉門的結構特點和力學特性;然後探討了塞拉門的極限工況,即列車交會壓力波的作用形式,建立了簡化的作用於塞拉門上的動力學曲線;其次研究了復雜形狀復合材料層合板結構的建模方法,採用物理等方式減小了算規模,建立了復合材料門板的限元模型,並對各種定的形式進行了數值模擬。
  14. 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,但內部算卻是「黑箱」操作,利用fepg可以得到算源代碼,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比較復雜,引起響應的難以直接測量得到的難題,從而為結構優化和提高安全性能的提供了保障。
  15. Based on the previous research results, the author takes nonlinear temperature load equivalent to linear temperature load and calculates temperature stress by fem. it analyses the whole and the part temperature effect on rigid - framed arch bridge and compares different thermal stress of different bridge structure by the simplified methods. the research offer advices for this new style bridge

    本文在總結前人工作的基礎上,分析探討將非線性溫度為線性溫度,同時採用限元算溫度應力的簡化方法;並利用這種算方法對剛架拱橋的整體和局部的溫度應以及不同橋型溫度應的不同進行了分析比較,為這種新橋型的工程提供參考,還通過實測結果驗證上述方法的正確性,並進行了修正。
  16. The model experiments results indicate that the pile group composed of extending all around piles can bear inclined load better. this is beneficial to the foundation of transmission tower. the prototype experiments results indicate that the micropile ' s load capacity is satisfied with design

    模型試驗發現,伸向四周的單樁組成的群樁具更好的抵抗傾斜的能力,這一點特別利於輸電線路基礎等;原型試驗發現,微型樁單樁和群樁的承力完全達到要求,其群樁率在0 . 9左右。
  17. Cylinder cushion mechanisms absorb arm and boom cylinders shock at stroke ends

    獨特的緩沖結構降低了動臂和斗桿運動時產生的沖擊
  18. The mfs approach offers significant savings in mass, volume and increase the payload. this paper mainly discussed the mfs technique applied to deep space detector. this paper introduced the concept of mfs first

    採用該方法,取消了傳統所需要的大量電纜、連接器等部件,從而在很大程度上減小了探測器的體積、質量,增加了探測器的
  19. The full - digital servo control system of satellite antenna has already passed the whole satellite payload system test. the result shows that the system has good speed stability, high precision scan period and can work reliably under the simulative space environment

    本文所的衛星天線全數字伺服系統已通過衛星系統的聯試實驗,結果表明:該系統具較高的轉速穩定性和高精度的掃描周期,可以在外太空模擬環境下長期可靠地運行。
  20. Then this thesis discusses the model and algorithm of planning and scheduling for payloads, including partition of planning time, calculation of satellite " resource, analysis of payloads " resource constraint, establishment of task model, calculation of task priority and several types of resource - based scheduling algorithms

    然後分析了規劃與調度問題的模型和演算法,包括規劃時間段的劃分、衛星資源條件的算、資源約束的分析、任務模型的建立、任務優先級的置和算以及各種基於優先級的資源調度演算法等內容。
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