預計位移 的英文怎麼說

中文拼音 [wèi]
預計位移 英文
predicted travel
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 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...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • 預計 : estimate; calculate in advance; expect
  1. Research about ctod and its components 8 ", " shows that the direction angle of ctod vector is identical with the fracture angle of void - mode fracture, which is obtained through experiments, and it is also identical with the result got by peak value line of stress triaxiality. besides, 8 i " was compare with vgc as criterion for initiation of void - mode fracture

    對裂紋尖端張開ctod及其張開型分量~ 1和剪切型分量~ 11的分析表明,在試件發生韌窩型斷裂時,按照圓弧裂紋中ctod矢量的垂直方向測的斷裂角與試驗測得的斷裂角符合較好,與三軸度脊線的結果也比較一致。
  2. The continuity condition of displacements at the interface of elements is enforced by penalty function, of which the penalty number has geometrical meaning and can be determined according to the accuracy desired

    單元之間場的連續性要求是用罰函數來實現的,其中的罰數具有明確的幾何意義,並可按對解的精度要求先估出大小。
  3. This paper introduces the developing tendency of the space structure and the application of the pretensioned space lattice structure, summarize the analysis method and relation between lattice structure and pretensioned space lattice structure. dissertate the space pole - truss displacement method, tendon working principle, set forth the method of optimal design and whole process design. includes the use stage design and construction stage design of pretensioned space lattice structure

    本文首先介紹了空間結構的發展趨勢及拉索應力空間網格結構的應用情況,概述了網格結構與拉索應力空間網格結構的分析方法及其相互關系,論述了空間桿系桁架法,拉索作用機理,闡述了拉索應力空間網格結構的優化設及全過程設的設方法,包括拉索應力空間網格結構使用階段的設和施工階段的設
  4. 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)的豎向荷載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,另一榀配置了應力和鋼骨混凝土,對比分析了兩模型的層間比、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,配置應力和型鋼混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建議
  5. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞,而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面深度的連續性,本文提出了一個測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的信息,從而大大提高了演算法的效率:與通常的正向映射演算法相比,此演算法克服了多幅參考圖象所帶來的算量成倍增長等問題,而且誤差較小。 2 )基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系,以及極線幾何的性質,本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學論文基於圖象的快速繪制技術的研究逆映射演算法,從多幅參考圖象精確合成當前視點目標圖象。
  6. The cable - strut tensile structures are the self - stress equilibrium systems composed by tensional cables and struts. in this paper, the basic concept of the structures was described. the analysis methods of the structural characteristics ( statically and kinematically determinate or indeterminate ) and the geometrical stability were presented. it is indicated that the cable - strut tensile structures are in stable equilibrium with first - order infinitesimal mechanisms. the ranks of equilibrium matrix were calculated by employing the singular value decomposition, and the independent modes of inextensional mechanisms and the states of self - stress were also obtained in the same way. this paper contains some typical examples which illustrate all of the main points of the work

    索桿張力結構是指由張力索和壓桿組成的、具有應力自平衡的新穎結構體系.本文詳細闡述這種結構的基本概念和結構特徵,討論結構靜動定體系特性和幾何穩定性判定分析方法,指出索桿張力結構應具有一階無窮小機構的幾何穩定體系.文中採用奇異值分解方法算結構平衡矩陣的秩,並算獨立機構模態和自應力模態.最後,對幾種典型的索桿張力結構進行了算例分析
  7. The formula of the maximum lateral deformation has been proposed for tie - back wall when the anchors are embedded in unmoving soils or in rocks. this work has enlarged the application field of the previous deformation formula. examples from engineering practice prove that the values calculated with above formulas can meet the need of the pit engineering

    將上面的變形算公式做了推廣,提出了錨撐擋墻最大側向測公式(錨桿錨固不可動的土層或巖石中) ,工程實例表明,利用該式測的變形值可以滿足工程的需要。
  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應力閘墩這一工程實踐,採用國際上已成熟的有限元方法,合理地建立了應力閘墩的三維有限元模型,該模型可方便地按應力錨索的點施加錨索張拉力,考慮了可能發生的多種荷載工況組合,並與無應力閘墩結構進行了對比分析研究,指出其應力效果是明顯的,可以大大改善閘墩結構的受力狀態,通過三維有限元分析,還得到了胸墻簡支、固端不同情況下的應力成果和各荷載下的成果,這些成果的取得對應力閘墩的設具有一定的指導和參考價值。
  9. Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils

    通過多種技術方案比較,最終選擇了技術先進的砂墊層抬高分級充水壓法,論文工作主要由以下兩部分組成: ( 1 )砂墊層抬高分級充水壓法的適用性研究,其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的算分析; ( 2 )施工監測與地基處理效果檢驗,其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。
  10. In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges

    本論文採用三水準設防、兩階段設方法、彈性反應譜算理論,運用橋梁結構非線性地震響應分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )進行算;通過收集大量的實橋設資料,經分析算,歸納總結出算上下部結構相對的簡便算方法;並綜合國內外的經驗值,提出梁的支承長度se的設原則;同時運用動力學突加荷載的原理,推導分析了應力鋼絞線式(鋼棒連接式)落梁防止裝置設承載力的算方法和設伸長量s _ f的取值;最後本文通過實橋算,說明了落梁防止系統設的方法。
  11. Not only t he self - weigh of every beam, the prestressing, the compression on the support of form scaffolding, constriction of concrete, creeping are considered when the inter nal force is calculated, but also the result of displacement and deviation of th esupport and precamber should be taken into consideration

    施工階段的內力算不僅考慮逐段施工梁的自重,加應力,模板支架的支點壓力,以及混凝土的收縮、徐變;同時還應考慮施工程序,施工中的支座、支座偏差和拱度等的影響。
  12. Based on the test, a new type of sma damper is designed and its theoretical model is set up. then, a detailed experimental investigation is carried out in order to get a full understanding of working performance of the damper, from which the effects of strain level, temperature, as well as frequency and pre - strain of sma wires are taken into account. the theoretical model is verified by the experiments

    在此基礎上,本文設了一種新型形狀記憶合金被動耗能阻尼器,建立了阻尼器的理論模型,通過試驗研究了阻尼器的工作性能,分析了幅值,加載頻率,工作溫度和記憶合金絲應變對阻尼器的等效剛度,單循環的耗能和等效阻尼比的影響,並與理論分析結果進行了對比,驗證了理論模型的正確性。
  13. When applying genetic algorithm for optimal design of pre - stressed steel structure, ways of penalty coefficient is adopted for resolving stress and displacement restrains in this paper

    在應用遺傳演算法進行應力鋼結構的優化設時,本文對于應力鋼結構的應力和約束的處理是採用了罰系數的方法。
  14. This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges

    本系統通過算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號,進而帶動電機驅動儀表指針轉動,算機通過串口實時採集光柵測量系統的微信號,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時通過算機軟體實現表盤圖像處理,包括處理、灰度化、二值化、細化和hough變換等,最終快速識別出表盤指針的置,並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。
  15. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統,本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程,通過四階龍格?庫塔法和估?校正法相結合編制了模擬程序對狀態空間方程求解,在matlab6 . 5中進行液壓系統的動態模擬,獲得液壓打樁錘運動過程中壓力、、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析,為液壓系統的設和參數優化提供了有益的借鑒。最後,在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后,採用了以現代算機技術為基礎的新型工業控制裝置? plc可編程式控制制器,設出了雙缸雙作用液壓打樁錘的電器控制系統。
  16. The contents include as follows : the influencing factors of the displacement ductility factor of the unbonded partially prestressed concrete frame structures, such as stirrup reinforcement characteristic value, nominal shear span ratio, axial compression ratio, the appearing order of plastic hinges and partial prestressing ralio ( ppr ) are discussed. the formula of displacement ductility factor of the unbonded partially prestressed concrete frame structures is suggested by regression analysis. with regard to the aseismic design and the request of ductility and energy dissipation, the restriction of the flat - beam / column sectional size and aseismic reinforced design are discussed

    本文主要包括以下內容:討論了配箍特徵值、名義剪跨比、軸壓比、塑性鉸出現順序、應力度等因素對無粘結部分應力混凝土框架延性系數的影響,回歸了考慮影響因素的延性系數算公式;對無粘結部分應力混凝土扁梁框架結構,闡述了抗震設對扁梁、柱截面尺寸的要求與限制;對滿足延性和耗能要求的無粘結部分應力混凝土扁梁控制截面抗震配筋進行了探討;通過對無粘結部分應力混凝土扁梁梁端的受力分析,改進了以往扁梁梁端扭矩設算公式。
  17. The results show that in the later stage of the nucleation process, the maximum slip velocity is monotonically accelerating ; the slipping hot spot ( where the slip rate is maximum ) migrates spontaneously from a certain instant, and such migration is spatially continuous ; when the maximum velocity reaches a detectable order of magnitude ( at least one order of magnitude greater than the loading rate ), the remaining time is 20 hours or more, and the temporal variation of slip velocity beyond this point may be used as a precursory indicator ; the average slip velocity is related to the remaining time by a log - log linear relation, which means that a similar relation between rate of microseismicity and remaining time may also exist ; when normal stress variation is taken into account, time scale of such processes can be extended by about 2 times

    結果表明,在成核的後期階段:最大速率單調加速增加;滑動熱點(最大滑動速率處)在後期階段開始自發性遷,且在空間上連續;當最大滑動速率達到可以明顯探測的量級時(高於載入速率一個數量級以上) ,倒時間為20小時或更長一些,這時的速率變化可作為臨震測標志;平均滑動速率與倒時間的關系在臨震階段呈對數線性趨勢,由此可推測微震活動增長率與倒時間同樣存在對數線性關系;正應力的變化對上述時間尺度有延長作用,使之大致增加到原數值的2倍。
  18. Based on the characteristic of the grotto rock reinforced by prestress anchor cable, taking three typical engineering sections in yulin grotto in anxi county gansu province, as examples, the simultating computation for the displacement field and stress field of the grotto rock under seismic load is done using dynamic finite element method, the change regularity and dynamical response of the grotto rock are concluded

    摘要根據錨索加固石窟巖體的特點,以甘肅安西榆林石窟的三個典型的工程段為例,通過動力有限元的方法對地震荷載作用下應力錨索加固石窟巖體的場、應力場的模擬算,得出了其動態響應和變化規律。
  19. Combined with that the influence of the prestressed tendon layout on mechanics characteristic of three - span prestressed concrete deck arch bridge is taken into account in these methods, and demand of internal force and displacement in design is satisfied by using upward and downward eccentric layout of prestressed tendon

    這些設法針對該類橋型的特點,利用在拱頂梁中分別布置一定數量的上下偏心的應力筋來優化結構的內力和滿足各部分的限制要求。
  20. Calculating adopts the way of finite unit spot parameter by using the character of dispersion. thus, it can get the similar answer of stress, stress strain and displacement. supervising uses strainmeters, non - stressmeters and tiltmeters, which are buried in the concrete wall to supervise the stress, tress strain, displacement during period of working and makes the forecast

    算採用有限元法將混凝土防滲墻利用離散化變為有限單元節點參數,從而得到應力、應變、的近似解;監測採用應變、無應力及測斜儀現場埋設在砼墻體內對混凝土防滲墻在施工期及運行過程中進行監測其應力、應變、,從而作出報。
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