混合載荷 的英文怎麼說

中文拼音 [húnzǎi]
混合載荷 英文
combined load
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 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
  • 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的重道路資料為主,從實際出發,結理論計算,對重標準進行了詳細的討論,分別給出了水泥凝土路面與瀝青凝土路面的重標準了;同時,通過大量的水泥凝土板底應力計算,推導出了凝土面板與板底應力水平的關系式;給出了水泥凝土路面與瀝青凝土路面的交通分級;通過對試驗路各結構層進行承板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符現有道路材料,從而提出了對理論模量的修正公式。
  2. Ultimate stress increment is a hotspot problem in theory of unbonded partially prestressed concrete structure, however, according to design critera and the art of the state on this issue around the world, it is still not considered in reason that ultimate stress of unbonded tendons in prestressed concrete multi - span continuous structures varies with load cases

    無粘結筋的極限應力增量一直是無粘結預應力凝土結構理論中熱點問題,而從目前各國的設計依據及研究現狀來看,還沒有理考慮多跨連續結構的無粘結筋極限應力隨工況變化的情況。
  3. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板凝土拱型復結構的受力機理進行了靜力、動力和爆炸的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板凝土拱型復結構在分佈和集中作用下的位移響應和應力響應,並與普通殼體進行了比較。
  4. In this paper at last. the localized anti - collapsing effect of the cave depot of single aircraft under the explosive load is calculated and analyzed. the explosive result shows that 3d ripped steel plate and ribbed shell structure are effective to raise the capacity of anti - collapsing of the protective structures

    對飛機單機掩蔽庫工程在爆炸作用下,抗局部震塌效應進行了計算分析,模擬直接命中的爆炸試驗結果表明:鋼筋凝土內襯三維波紋鋼板組成拱型復結構,是提高防護結構抗震塌破壞的一種十分有效的措施。
  5. 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理的截面剛度以及布局形式.然後結一實際工程,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.其中一榀為普通凝土迭層空腹桁架,另一榀配置了預應力和鋼骨凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效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,配置預應力和型鋼凝土的迭層空腹桁架轉換結構具有良好的抗震性能,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設計建議
  6. It shows that the result of resistance under bending and torsion by this method is almost same as that of experiments. correlate equations of bearing capacity of this structure under complex loads are deduced. four expressions of bearing capacity of this structure under complex loads, which are press, bending and torsion, are deduced in the end

    最後利用軸壓、彎曲和扭轉作用的兩兩組作用下的極限承力相關方程,通過適當的簡化處理,就得到偏於安全的離心鋼管凝土構件在軸壓、彎曲和扭轉三種共同作用下的承力計算公式。
  7. Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model

    在河海大學符曉陵副教授所編制的平面結構斷裂有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-斷裂有限元程序包,程序採用平面八結點等參數單元分析計算平面結構在外作用下損傷及宏觀裂縫的發展規律,考慮了凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為理的具有損傷含義的凝土二維本構關系(即正交異性損傷模型中的本構方程)和指數函數模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程,較為真實地反映了實際情況。
  8. The layered combined finite element model is taken in the finite analysis of concrete and bonding bar. in the nonlinear analysis ofunbonded prestressed concrete, the effect that unbonded tendons acts on concrete is replaced by equivalent force in the method of equivalent prestress

    在有限元分析中,凝土和粘結鋼筋採用分層組式的有限元模型,在無粘結預應力凝土的非線性分析中,將無粘結預應力筋對凝土的作用,借鑒預應力的平衡法,用其等效力來代替預應力作用。
  9. The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method

    文中首先對高水頭小負的渦帶工況下流式水輪機內流場進行非定常cfd計算,得到渦帶工況下葉片表面不同時刻的水壓力,並利用流固耦方法對轉輪進行結構場瞬態特性計算,分析轉輪葉片的動應力特性。
  10. Cylindrical bending of functionally graded plates with arbitrary distributions of material properties under arbitrary loading are studied using hybrid differential quadrature method ( hdqm )

    摘要利用微分求積法,對任意作用下不同材料梯度分佈的功能梯度材料平板柱形彎曲問題進行了分析。
  11. Abstract : on the basis of chaotic model, this paper discusses the reasonable identification of relativistic deformation on ground capacity in plate loading test according to the result of the test

    文摘:以沌理論模型的分析值為基礎,以現場試驗的結果為依據,對試驗法確定地基承力時相對變形值的理取定進行了論述
  12. Basing on the method of approximate mechanics, the mechanical behavior and fatigue fracture characteristic of steel bridge asphalt mixture surfacing under repeated load was analyzed

    摘要採用力學近似方法,對鋼橋面瀝青料鋪裝層在循環作用下的力學行為和疲勞損傷特性進行了理論分析。
  13. Meanwhile, numerical computation of aerodynamics is widely applied with the progress of computer, large quantities of relative paper has been presented. but at present, the relative literature about turbulence characteristics of plural vehicles running in row and passing maneuvers is very limited. pointing to the above difficulty, in this paper, numerical computation of turbulent - velocity field is studied while a sedan exceeding a tractor - trailer truck

    本論文在對某國產轎車單車外流場的模擬地面邊界層、車輪轉動和側向風研究基礎上,以及兩輛轎車並列行駛、同向超車的穩態研究的基礎上,選取了兩種笛卡爾網格方案和四面體網格方案,開展某國產轎車超過某大型運輸車的數值模擬研究。
  14. Aiming at the simulation of quasi - brittle fracture of concrete - like materials, the qualitative comparison of the selected models was focused on the follow aspects, i. e. the simulation of the fracture behaviors of crack mode and crack mode by use of the selected models and the simulation of dilatancy properties of the selected models under mixed - mode fracture loading conditions

    在對選擇的典型黏性界面裂紋進行定性分析比較時著重考慮以下兩點:採用選擇的模型對型裂紋和型裂紋的斷裂行為進行數值計算;對型斷裂作用下模型的擴容行為特性進行數值分析。
  15. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  16. In this paper, at first the cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied, then the result of the pressure distribution on runner blade is provided for the runner structural simulation by fluid - structure interaction ( fsi ) method

    本文首先對流式水輪機全流道內流場進行了多工況的cfd計算,得到不同工況下轉輪葉片表面水壓力,並利用順序流固耦方法對轉輪在各種工況下的應力特性進行計算。
  17. To analyze the seismic behavior of the lattice type src members, look for a section patterns which is not only safety but also economic, in this paper, a experiment of seismic behavior about nine truss type src columns and three rc columns which strength, steel requirements and axial load are different, the deformation capacity and failure patterns are observed, and the hysteretic cycle are obtained. according to the experiment results, it is different between the failure patterns of src members and rc members

    為了分析空腹式鋼骨凝土的抗震性能,尋找一種即安全又經濟的src截面形式,本文對9根不同強度、不同配鋼率、不同軸力的src試件和3根普通rc試件做了抗震性能試驗,在保持軸力不變的情況下,採用? ?變形控制方法施加往復的水平,觀察其變形性能與破壞狀況,測得各試件的滯回曲線。
  18. Then the equations of elastic problem are imported into the hamilton system in the plane right - angle coordinate system and a new symplectic numerical method, the symplectic difference method of elasticity in hamilton system, is put up based on the mixed equation of elastic problem. the arithmetic of the method is programmed and used in the solution of three problems of elasticity, which is sheet problem, simply girder problem and deep girder p roblem that is pressed equally in the right - angle coordinate system

    然後在平面直角坐標系下將彈性力學問題引入到hamilton體系中來,針對彈性力學方程建立了一種新的辛型數值計算方法? ?基於hamilton體系的彈性力學辛差分方法;並且編程實現了該方法的演算法結構,計算了三個具體的算例:受均布的薄板問題、簡直梁問題和深梁問題。
  19. Method for determining resistance to permanent deformation of bituminous mixtures subject to unconfined dynamic loading

    承受無側限動態的瀝青物耐永久變形的測定方法
  20. According to the stress and displacement variational principle, the mixed variational equations are established from which the state equation is established. thus, the theory of state space is combined with variational principle and the variational solutions are presented under arbitrary loads for transverse isotropic orthortropic bodies on general boundary conditions. thick plates on winkler ' s foundations are researched thoroughly

    本文根據應力變分原理和位移變分原理,導出變分方程,並將其轉換成狀態方程,使狀態空間理論和變分原理相結,給出了一般邊界條件下橫觀各向同性和正交各向異性體在任意作用下的變分解。
分享友人