limit deformation 中文意思是什麼

limit deformation 解釋
極限變形
  • limit : n. 1. 界限，界線；邊界。2. 極限，限度；限制。3. 〈pl. 〉范圍，范域。4. 限價；限額；賭注限額；獵物限額。vt. 1. 限制，限定。2. 減少。adj. -able
  • deformation : 變形,走樣
  1. Based on tests of nine 1 / 2 - scaled model slabs under vertical loads, the paper analyzed load - deformation curve and proposed limit value of height - width ratio under axial loads. 2. based on aseismic tests, the paper put forward a model of concrete frame, silica brick and a combination of the two, proposed that the silica brick works as a 45 compression bar, analyzed the factors which may influence bearing capacity of the slab and advised a formula including the numbers of bays and of storeys of the frame

    通過對墻板模型的抗震性能試驗研究，建立了由鋼筋混凝土框格、砌塊以及兩者協同作用三個部分組成的承載力極限狀態下的理論簡化計算模型；提出了墻板中填充塊等效斜壓桿寬度按45度計算的統一量化標準；分析了影響墻板承載力的主要影響因素，給出了表達墻板框格層數和跨數不同的斜截面承載力實用設計計算公式。
  2. The optimizing calculation is based on the reality deformation path and the calculation precise is control by the limit error

    而修改後的切邊輪廓再次進行翻邊計算，並將其翻邊輪廓與目標體輪廓進行比較。
  3. The results show that the inertial forces have less effect on deformation of ballistic spring within a limit range of rotation speed, and the deformation can be ignored

    分析表明，在通常轉速范圍內，旋轉慣性力對彈道簧變形影響很小，可以忽略。
  4. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下： （ 1 ）以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類，並確定了軟弱夾層分佈距離； （ 2 ）根據強度等效和變形等效的原則，引入了軟弱夾層影響帶的概念，建立了模擬軟弱夾層厚度的一種新方法； （ 3 ）總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標； （ 4 ）分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標； （ 5 ）總結出了在不同的側壓力系數（ 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 ）地應力場中軟弱夾層對穩定性影響的量化指標； （ 6 ）得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果； （ 7 ）根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  5. Numerical simulation of deformation of ligh liquid limit clay embankment

    高液限粘土路堤變形的數值模擬分析
  6. The main contents of this paper are following. ( 1 ) the mechanical models of ball bearings are set up by both the quasi - dynamic method and the finite element method in this paper, and then the load distribution of ball bearings is studied. the rules of the contact angle, the deformation, the stiffness and the limit rotational speed in different structure parameters and load parameters are analyzed

    本文圍繞航空發動機高速滾動軸承的力學特性，開展了以下工作: （ 1 ）分別採用擬動力學法和有限元法，建立了滾動軸承力學分析模型，研究了滾動軸承的載荷分佈特性，分析了不同結構參數和載荷參數對其接觸角、變形、接觸剛度和極限轉速的影響規律。
  7. It was shown that salt expansion value of low liquid - limit clay was accumulated before the sixth freezing and thawing cycles, but the increment of salt expansion was reduced gradually with increasing cycles ; the salt expansion accumulation of low liquid - limit clay could be separated into three phases ; the deformation of clayey sand was mostly frost heave and subsidence under cycles, and collapsibility value of clayey sand was accumulated with increasing cycles ; the variation of salt expansion ratio and collapsibility ratio was a parabolic function of freezing and thawing cycles

    試驗結果表明：低液限粘土前五次凍融循環過程中鹽脹具有較好累加性，隨著凍融循環次數的增加，鹽脹量增長速度逐漸降低；含砂低液限粘土的鹽脹過程可以被分為三個階段；粘土質砂在凍融循環過程中的變形主要為凍脹和沉降變形，具有較好的溶陷累加性；低液限粘土、含砂低液限粘土的鹽脹率和粘土質砂的溶陷率與凍融周期之間的關系符合二次拋物線變化規律。
  8. Considering the feature of subgrade deformation, the off set limit and the settlement calculation depth are discussed in this paper

    並結合路基變形特點，對軟土層的屈服極限、沉降計算深度等問題進行了探討。
  9. So the methods of design and computing about limit condition of bearing capacity is still adopted in present criterion. under the precondition of meeting the demand of construction ' s using function, the main content that is researched in this article is how to make the scheme of mixed soil - cement piles composite ground on the safe side economical and reasonable, according to the rule of the design for deformation control the article, which is based on formers " theory and practice, combining with the example of engineering, utilizing the tool of matlab. 5. 0, using optimizing by plural modality method, makes a primary discussion on the design parameter of the scheme for mixed soil - cement piles composite ground, according to the rule of the design for settlement controlment method

    在現行規范中仍然採用的是承載力極限狀態設計計算方法。在滿足建築物使用功能要求的前提下，如何按照變形控制設計的原則，使得水泥土攪拌樁復合地基方案更加安全可靠、經濟合理，是本文研究的主要內容。本文在總結前人的理論和實踐成果的基礎上，結合工程實例，利用matlab . 5 . 0工具，採用復形調優法，按沉降控制設計原則，對水泥土攪拌樁復合地基方案設計參數的優化進行了初步的探討，得出了一些有益的結論，對工程實踐具有一定的指導意義。
  10. However, the poor ductility and strong resistance to deformation at elevated temperature currently limit their application

    但這類材料的塑性差、高溫變形抗力大，使其難以加工成形，阻礙了其實用化。
  11. The parameters are measured respectively during the experimental process, such as bearing capacity, deformation, strain and so on. it concludes that when the other conditions is equal, the limit bearing capacity of the concrete filled steel tube long column subjected to axial compress is reduced along with the long diameter ratio increased

    從試驗結果可以看出：鋼管混凝土軸心受壓長柱的穩定承載力，在其他條件相同時隨長細比的增大而逐漸降低；試件在最大承載力狀態下，鋼管表面的平均縱向應變已超過鋼管的屈服應變值，破壞呈現為非彈性失穩破壞。
  12. According to the basis relation of stress, strain and the value of limit deformation during the strengthening of concrete architecture, the derivate computing method is applied under different state of load and internal force. and it is towards difference of stress and strain of the new and old part of the strengthening structure. it is pointed out that unloading is the necessary and important method of taking advantage of effect of the strengthening structure

    本文根據混凝土結構加固中材料的基本應力? ?應變關系和極限變形值，針對加固結構新舊兩部分的應力、應變差，應用迭加原理，導出了加固結構在不同受力狀態下的承載力和內力適用設計計算方法，指出了「卸荷」是充分發揮加固結構效能的必不可少的重要手段。
  13. Nonlinear constitutive relations are discussed for analyzing the stress distribution, the appearance and development of the cracks, as well as the behavior of the boundary conditions of the two way slabs respectively. in the light of the experimental research on r. c. two way slabs under static loading, the behavior of yield line, the load deformation curves and the crack yield, plastic limit loads of slabs with different supporting conditions are studied

    根據反映雙向板混凝土材料非勻質性的本構關系，分析了雙向板在荷載作用下的變形、屈服、裂縫和破壞的形態特性，並對鋼筋混凝土雙向板在不同支承條件下的塑性極限荷載、正常使用撓度（曲線）和截面設計作了進一步研究。
  14. Fireproof board of magnesium oxychloride has been attracted much attention and become the main part in the fields of inorganic building boards because of its attractive properties such as good fireproof property, mechanical strength, sound insulation, shake resistance, heat preservation and so on. but it also has its own defects of dehylogenation, deformation and poor waterproof, which limit its use and decoration

    氯氧鎂無機防火板以其輕質、高強、粘接性、韌性、隔音、抗震、保溫、隔熱、防火、防潮、防腐蝕、耐酸堿、防蛀、環保性能好、施工安裝方便、施工勞動強度低、快捷、價格低廉等特點，而得到人們的廣泛重視，成為國內目前市面上應用最為廣泛的無機防火板材之一。
  15. At first, the mechanical model of joint is discussed, and the constitutive relation of the rough joint, especially the bolt - supported joint, is given. then bedding slide of bedding stratified rock slope is studied adopting limit equilibrium method, and a formula of stability is brought forward. at last, the bedding stratified rock slope ' s buckling deformation and failure mechanism and its evaluating method of stability is investigated, a corresponding mechanics model is established, then detail research to this failure mode is made in theory combining the energy law and elastic stability theory of plate and beam, and an analytical solution of the yielding curve is educed from this model

    文中首先對結構面的力學模型進行了一定的探討，提出了粗糙結構面尤其是加錨結構面的本構關系；然後採用極限平衡法，研究了順向層狀巖質邊坡的順層滑動失穩，提出了其穩定性計算公式；最後，結合能量定律和彈性板梁穩定理論，探討了工程中常見的順向層狀巖體邊坡潰屈失穩時的破壞機理、變形規律和穩定性定量評價方法，建立了相應的力學模型，求出了其相應的解析解，並提出了臨界坡長與最大彎曲位置的確定方法。
  16. On this basis, regarding the rankine soil pressure theory as the prerequisite, the active earth pressure formula considering the deformation of braced structure has been set up. the calculation of active limit displacement in the formula has been researched, and proposes two methods ; all of which are applied to active soil pressure formula considering the deformation of braced structure. further, combine the project example, the active earth pressure formula considering the deformation of braced structure has been tested and confirmed its rationality

    本文介紹了基坑支護結構的形式、特點，以及目前工程中基坑的設計計算方法，分析了土壓力的計算在基坑工程設計計算中的重要性;通過實測的基坑主動土壓力與支護結構位移的分析得出基坑主動土壓力與位移之間存在密切關系，在此基礎上以朗肯土壓力理論為前提建立了考慮基坑支護結構位移的主動區土壓力公式;並對公式中的主動極限位移的計算做了研究，提出了主動極限位移的兩種計算方法;把這兩種方法都運用於考慮支護結構位移的主動土壓力計算公式，進而結合工程實例，對考慮支護結構位移的主動土壓力公式進行了驗證，驗證了公式的合理性。
  17. At present, conventional analytic methods of rsrw are based on theory of limit equilibrium, which can not take account of the strength and deformation of structure uniformly, and calculate the displacement of panel, settlement of fill and so on

    加筋土擋墻傳統的分析方法建立在加筋土體極限平衡理論基礎上，無法將結構的強度和變形統一考慮，無法計算面板位移和填土沉降等。
  18. Based on this system the cracking resistence of portland cement paste system was tested. also the effect of fly ash, slag, silica fume and admixtures on the cracking at early ages was studied. according to the basis relation of stress, strain and the value of limit deformation during the strengthening of concrete architecture, the derivate computing method is applied under different state of load and internal force

    本文從國內外住宅比較入手，較系統地研究了小區規劃建設、造價、投資、物業管理模式及影響因素，運用數學方法，通過典型項目剖析，對小區造價、資金來源等相關問題進行定量分析，為未來小區規劃建設管理的理論研究，項目實施奠定了基礎，提出了方向。
  19. In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete

    大量的工程實踐表明，軟弱夾層對地下洞室圍巖穩定性的影響有著決定性的作用，本文以大型數值模擬分析系統final為平臺，採用彈塑性應力應變關系和m - c屈服準則建立平面應變問題有限元模型，對軟弱夾層的分佈部位、分佈距離、軟弱夾層的厚度對圍巖穩定性的影響以及在具有不同側壓力系數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩定性的影響進行了系統的數值試驗，研究得出了軟弱夾層對圍巖位移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果，以便直接為工程設計人員提供參考。
  20. On the basis of expounding the effects of plastic deformation behavior and forming limit on the analysis of sheet metal forming, this paper overviews the research progress on yield criterion, hardening model, forming limit and effects of complex loading paths, and obtains that establishing the test method of complex loading paths according with sheet forming characteristics, verifying the accuracy and applicability of theoretical results, and determining the analytic description and practical criterion under complex loading paths, are main research directions in sheet metal forming

    摘要本文在闡述塑性變形行為與成形極限對于解析板料成形過程的作用與意義的基礎上，針對板料屈服準則、強化模型、成形極限及復雜加載路徑的影響規律的研究進展進行了綜述與分析，得出：建立符合實際板料成形特點的復雜加載路徑的實驗方法，驗證理論研究結果的準確程度及適用范圍，確定復雜加載路徑下的解析描述及實用判據，是目前該領域主要的研究方向。
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